| Organization | Links | Recs | Related | Infra | Image |
|---|
| A Century of Progress Corporation | 1 | | | | |
| A. A. Graham and Co | 1 | | | | |
| A. C. Lawrence Co | 1 | 2 | | | |
| A. C. Lawrence Leather Co | 1 | 4 | | | |
| A. G. Elliot and Co | 2 | 2 | | |  |
| A. Harris and Co | 1 | 129 | | | |
| A. J. Tower Co | 1 | 2 | | | |
| AAA Chemical | 1 | | | | |
| Aachen and Munich Fire Insurance Co | 2 | 5 | | | |
| AARP | 1 | | | | |
| Abangarez Gold Fields of Costa Rica | 1 | 6 | | | |
| Abbott Laboratories | 2 | 1 | | | |
| Abercrombie and Fitch | 1 | | | | |
| Aberdeen and Rock Fish Railroad | 2 | 7 | | | |
| Abraham Lincoln Association | 1 | | | | |
| Absoraka Oil Development Co | 1 | 1 | | | |
| Academy of Model Aeronautics Association | 1 | | | | |
| Acorn Brass Manufacturing Co | 2 | 4 | | | |
| Active Member | 2 | 3 | | | |
| Adamite Abrasive Co | 1 | 3 | | | |
| Adams Express Co | 4 | 32 | | | |
| Adams Gas Light Co | 1 | 8 | 1 | | |
| Adams Trust Co | 8 | 18 | | | |
| Addison and Pennsylvania Railway | 1 | 12 | | | |
| Adirondack Railway | 4 | 21 | | | |
| Adjutant General of the US Army | 11 | | | | |
| Adolf Frese Optical Co | 1 | 6 | | |  |
| Adriance, Platt and Co | 1 | 8 | | | |
| Adventure Consolidated Copper Co | 1 | 20 | | | |
| Advertiser Newspaper Co | 1 | 2 | | | |
| Aeolian, Weber Piano and Pianola Co | 1 | 17 | | | |
| Aerial Experiment Association | 1 | | | | |
| Aetna Insurance Co | 4 | 48 | | | |
| Aetna Life Insurance Co | 9 | 105 | | | |
| Aetna Mills | 1 | 6 | | | |
| Aetna National Bank of Hartford | 2 | 6 | | | |
| African Squadron | 1 | | | | |
| Aggeler and Musser Seed Co | 1 | 11 | | |  |
| Agricultural Hall of Fame | 3 | | | | |
| Agricultural Society | 1 | | | | |
| Ahmeek Mining Co | 7 | 17 | | |  |
| Air Blast Gin Co | 1 | 7 | | |  |
| Ajax Divide Mining Co | 1 | 5 | | | |
| Akron and Barberton Belt Railroad | 3 | 9 | | | |
| Akron Light, Heat and Power Co | 1 | 4 | | | |
| Alabama and Florida Railroad | 3 | 25 | | | |
| Alabama Constitutional Convention | 4 | | | | |
| Alabama Great Southern Railroad | 6 | 64 | | 🚂 |  |
| Alabama Midland Railway | 2 | 15 | | | |
| Alabama Press Association | 1 | | | | |
| Alabama Tuberculosis Commission | 1 | | | | |
| Alabama Womens Hall of Fame | 2 | | | | |
| Alafia Manatee and Gulf Coast Railway | 1 | 1 | | | |
| Alan Wood Steel Co | 1 | | | | |
| Alaska Mines Co | 1 | 8 | | | |
| Albany and Susquehanna Railroad | 8 | 55 | | |  |
| Albany and Vermont Railroad | 1 | 14 | 1 | | |
| Albany City Savings Institution | 1 | 23 | | | |
| Albany Exchange Savings Bank | 1 | 22 | | | |
| Albany NY Evening Journal | 3 | 5 | | | |
| Albany Railway | 1 | 4 | | | |
| Albany Savings Bank | 6 | 18 | | | |
| Albany Trust Co | 2 | 54 | | | |
| Albemarle Declaration of Independence | 3 | | | | |
| Albemarle National Bank of Charlottesville | 1 | 1 | | | |
| Alberger Pump and Condenser Co | 1 | 10 | | | |
| Albert Lea and Southern Railroad | 1 | 2 | | | |
| Alcoholics Anonymous | 3 | | | | |
| Alexander & Alexander Insurance | 1 | | | | |
| Alexander W. Wister and Son | 2 | 2 | | | |
| Alexandria Gazette | 2 | 2 | | | |
| Alexandria National Bank | 2 | 4 | | | |
| Alexandria, Loudoun and Hampshire Railroad | 4 | 15 | | | |
| Algonauin Electric Brake Co | 2 | 2 | | | |
| Alice Gold and Silver Mining Co | 1 | 6 | 1 | | |
| Allan U. Bevier Inc. | 2 | | | | |
| Allegan and Marshall Railroad | 1 | 7 | | | |
| Allegan and Southeastern Railroad | 1 | 18 | | | |
| Allegheny and South Side Railway | 1 | 7 | 1 | | |
| Allegheny Bridge Co | 1 | 12 | | | |
| Allegheny County Light Co | 1 | 11 | 1 | | |
| Allegheny Heating Co | 1 | 14 | | | |
| Allegheny Valley Railroad | 5 | 81 | | | |
| Allen and Endicott Building Co | 1 | 2 | | | |
| Allentown Gas Co | 5 | 10 | | | |
| Allentown Railroad | 1 | 15 | | | |
| Alliance Insurance Co | 2 | 14 | | | |
| Alliance Realty Co | 1 | 21 | | | |
| Allis-Chalmers Co | 2 | 68 | | |  |
| Allison Manufacturing Co | 1 | 1 | | |  |
| Allouez Mining Co | 7 | 22 | | | |
| Alpena and Northern Railroad | 1 | 6 | | | |
| Alpha Chi Omega | 2 | | | | |
| Alpha Delta Phi | 7 | | | | |
| Alpha Delta Pi | 1 | | | | |
| Alpha Kappa Kappa | 1 | | | | |
| Alpha Kappa Lambda | 1 | | | | |
| Alsace Realty Co | 2 | 2 | | | |
| Altavista Cotton Mills | 1 | 1 | | | |
| Altoona Gas Co | 1 | 13 | 1 | | |
| Altoona Mountain City | 1 | 17 | | | |
| Aluminum Co of America | 4 | 19 | | | |
| Aluminum Cooking Utensil Co | 2 | 6 | | | |
| Amalgamated Copper Co | 4 | 20 | 5 | | |
| Amboy, Lansing and Traverse Bay Railroad | 1 | 14 | | | |
| American Academy in Rome | 1 | | | | |
| American Academy of Arts and Letters | 7 | | | | |
| American Academy of Arts and Sciences | 81 | 13 | | | |
| American Academy of Diplomacy | 1 | | | | |
| American Academy of Forensic Sciences | 1 | | | | |
| American Academy of Medicine | 8 | 105 | | | |
| American Academy of Music | 1 | 14 | | | |
| American Academy of Political and Social Science | 3 | 57 | | | |
| American Academy of the Fine Arts | 3 | | | | |
| American Agricultural Chemical Co | 4 | 61 | | | |
| American and Foreign Marine Insurance Co | 1 | 13 | | | |
| American Anthropological Association | 4 | 45 | | | |
| American Anthropological Society | 1 | 1 | | | |
| American Anthropologist | 1 | 2 | | | |
| American Anti-Imperialist League | 5 | | | | |
| American Anti-Slavery Society | 8 | | | | |
| American Antiquarian | 1 | 2 | | | |
| American Antiquarian Society | 95 | 11 | | | |
| American Asbestos Co | 1 | 2 | | | |
| American Association for Promotion of Agricultural Science | 1 | | | | |
| American Association for the Advancement of Science | 126 | 2083 | | | |
| American Association of Advertising Agencies | 2 | 1 | | | |
| American Association of Economic Entomologists | 3 | 51 | | | |
| American Association of Genito-Urinary Surgeons | 2 | 1 | | | |
| American Association of Obstetricians and Gynecologists | 5 | 10 | | | |
| American Association of Pathologists and Bacteriologists | 10 | 133 | | | |
| American Association of Physicians | 2 | | | | |
| American Astronomical Society | 3 | 3 | | | |
| American Automatic Protector Co | 1 | 3 | | | |
| American Bank Note Co | 4 | 40 | | | |
| American Baptist Home Mission Society | 1 | 22 | | | |
| American Baptist Publication Society | 3 | 19 | | |  |
| American Bar Association | 14 | 70 | | |  |
| American Beet Sugar Co | 3 | 25 | | | |
| American Bell Telephone Co | 8 | 18 | | | |
| American Bible Society | 10 | 66 | | | |
| American Birth Control League | 1 | | | | |
| American Blower Co | 2 | 12 | | | |
| American Board of Commissioners for Foreign Missions | 6 | | | | |
| American Bonding Co | 2 | 7 | | | |
| American Brake Co | 2 | 2 | | | |
| American Brake Shoe and Foundry Co | 2 | 22 | | | |
| American Brass Co | 2 | 29 | 1 | |  |
| American Bridge Co | 6 | 119 | 14 | 🚂 | |
| American Bridge Works | 1 | 1 | 1 | | |
| American Bureau of Mines | 1 | | | | |
| American Can Co | 3 | 24 | | | |
| American Car and Foundry Co | 1 | 51 | 4 | | |
| American Cement Co | 1 | 9 | | | |
| American Cement Co of New Jersey | 2 | 16 | 2 | | |
| American Central Railway | 1 | 11 | | | |
| American Cereal Co | 1 | 11 | | | |
| American Chemical Society | 15 | 631 | | |  |
| American Chicle Co | 1 | 27 | | | |
| American Church Missionary Society | 2 | 23 | | | |
| American Civil Liberties Union | 4 | | | | |
| American Climatological Association | 2 | 15 | | | |
| American Clinical and Climatological Association | 3 | 21 | | | |
| American Coal Products Co | 3 | 41 | | | |
| American College of Physicians | 1 | | | | |
| American College of Surgeons | 3 | 52 | | | |
| American Colonization Society | 17 | 6 | | | |
| American Commerce Co | 1 | 1 | | | |
| American Cotton Co | 1 | 17 | | | |
| American Cotton Oil Co | 3 | 41 | | | |
| American Dialect Society | 1 | | | | |
| American District Telegraph Co | 6 | 43 | 1 | | |
| American District Telegraph Co of New Jersey | 3 | 13 | | | |
| American District Telegraph Co of New York | 1 | 17 | | | |
| American Dredging Co | 1 | 14 | | | |
| American Dyewood Co | 1 | 16 | | | |
| American Economic Association | 2 | 50 | | | |
| American Electro-therapeutic Association | 2 | 20 | | | |
| American Equal Rights Association | 2 | | | | |
| American Ethnological Society | 6 | 30 | | | |
| American Exchange Bank of Buffalo | 1 | 23 | | | |
| American Exchange Bank of New York | 1 | | | | |
| American Exchange National Bank of Dallas | 1 | 12 | | |  |
| American Exchange National Bank of New York | 2 | 33 | | | |
| American Express Co | 7 | 74 | 1 | |  |
| American Farm Products Co | 1 | 14 | | | |
| American Felt Co | 3 | 16 | | | |
| American Fine Arts Society | 1 | 1 | | | |
| American Fire Insurance Co | 1 | 15 | | |  |
| American Flour Co | 1 | 4 | | | |
| American Football Coaches Association (AFCA) | 1 | | | | |
| American Forestry Association | 7 | 73 | | | |
| American Fur Co | 1 | 4 | | | |
| American Gas and Electric Co | 3 | 17 | | | |
| American Gas Co | 2 | 15 | 17 | | |
| American Geographic Society | 6 | | | | |
| American Geological Society | 2 | 39 | | | |
| American Geologist | 1 | 3 | | | |
| American Guaranty Co | 1 | 8 | | | |
| American Gynecological Society | 7 | 25 | | | |
| American Hair Cloth Co | 2 | 8 | | | |
| American Hard Rubber Co | 1 | 10 | | | |
| American Historical Association | 23 | 63 | | | |
| American Home Economics Association (AHEA) | 1 | | | | |
| American Horse Breeder Publishing Co | 2 | 4 | | | |
| American Institute | 1 | 1 | | | |
| American Institute of Architects | 13 | 165 | | |  |
| American Institute of Chemists | 1 | | | | |
| American Institute of Electrical Engineers | 9 | 190 | | | |
| American Institute of Homeopathy | 8 | 278 | | | |
| American Institute of Mining Engineers | 17 | 215 | | | |
| American Insurance Co | 3 | 24 | | | |
| American Investment Securities Co | 2 | 21 | | | |
| American Iron and Steel Co | 3 | 5 | | | |
| American Iron and Steel Works | 1 | 2 | | | |
| American Jersey Dairy Cattle Association | 1 | | | | |
| American Journal of Insanity | 2 | 4 | | | |
| American Journal of Mathematics | 1 | 4 | | | |
| American Journal of Medical Sciences | 2 | 6 | | | |
| American Journal of Numismatics | 1 | 2 | | | |
| American Journal of Philology | 1 | 1 | | | |
| American Journal of Psychology | 1 | 2 | | | |
| American Journal of Religious Psychology | 1 | | | | |
| American Journal of Science | 5 | 3 | | | |
| American Journal of Theology | 1 | 1 | | | |
| American Lancet | 1 | 2 | | | |
| American Laryngological Association | 3 | 54 | | | |
| American Laryngological Society | 1 | 3 | | | |
| American League (MLB) | 14 | | | | |
| American Legion | 16 | | | |  |
| American Legion Auxiliary | 2 | | | | |
| American Liberty League | 1 | | | | |
| American Library Association | 10 | 166 | | | |
| American Light and Traction Co | 2 | 31 | 10 | | |
| American Loan and Trust Co | 8 | 20 | | | |
| American Locomotive Co | 9 | 42 | 9 | |  |
| American Locomotive Sander Co | 1 | 5 | | | |
| American Luxfer Prism Co | 1 | 4 | | | |
| American Mail Steamship Co | 1 | 14 | | | |
| American Malt Co | 2 | 10 | | | |
| American Mathematical Society | 9 | 357 | | | |
| American Medical Association | 175 | 3696 | | | |
| American Medical Editors Association | 2 | 4 | | | |
| American Medical Journal | 1 | 1 | | | |
| American Medico-Psychological Association | 6 | 47 | | | |
| American Metal Co | 2 | 22 | 5 | |  |
| American Microscopical Society | 4 | 71 | | | |
| American Missionary Association | 1 | 1 | | | |
| American Modern Language Association | 1 | | | | |
| American Museum of Natural History | 6 | 28 | | | |
| American Mutoscope and Biograph Co | 1 | 18 | | | |
| American Mutual Liability Insurance Co | 4 | 5 | | | |
| American National Bank of Hartford | 2 | 12 | | | |
| American National Bank of Washington | 1 | 7 | | | |
| American Naturalist | 1 | 10 | | | |
| American Neurological Association | 14 | 55 | | | |
| American Numismatic Society | 1 | 4 | | | |
| American Ophthalmological Society | 8 | 88 | | | |
| American Ordnance Co | 2 | 18 | | | |
| American Oriental Society | 7 | 25 | | | |
| American Ornithologists Union | 10 | 108 | | | |
| American Orthopedic Association | 5 | 77 | | | |
| American Otological Society | 5 | 26 | | | |
| American Pediatric Association | 1 | 4 | | | |
| American Pediatric Society | 5 | 62 | | | |
| American Philological Association | 3 | 17 | | | |
| American Philosophical Association | 7 | 113 | | | |
| American Philosophical Society | 72 | 235 | | | |
| American Photographic Society | 1 | | | | |
| American Physical Society | 8 | 238 | | | |
| American Physiological Society | 11 | 112 | | | |
| American Pipe and Construction Co | 1 | 3 | 22 | | |
| American Pipe Manufacturing Co | 3 | 14 | | | |
| American Pneumatic Service Co | 3 | 26 | | | |
| American Political Science Association | 1 | 21 | | | |
| American Power and Light Co | 1 | 8 | | | |
| American Pressed Steel Co | 1 | 1 | | | |
| American Psychiatric Association | 1 | 16 | | | |
| American Psychological Association | 14 | 188 | | | |
| American Public Health Association | 12 | 175 | | | |
| American Pulley Co | 3 | 11 | | | |
| American Radiator Co | 2 | 40 | | | |
| American Radio Relay League | 1 | | | | |
| American Railway Association | 2 | 31 | | | |
| American Railways Co | 1 | 13 | | | |
| American Red Cross | 18 | 84 | | |  |
| American Reduction Co | 1 | 2 | | | |
| American Rubber Co | 3 | 5 | | |  |
| American Safe Deposit Co | 1 | 13 | | | |
| American Saginaw Development Co | 1 | 9 | | | |
| American Scenic and Historic Preservation Society | 1 | 2 | | | |
| American Screw Co | 1 | 13 | | | |
| American Sheet and Tin Plate Co | 2 | 24 | 1 | | |
| American Shipbuilding Co | 5 | 44 | | | |
| American Shovel and Stamping Co | 1 | 1 | | | |
| American Silk Co | 1 | 8 | | | |
| American Smelters Securities Co | 5 | 34 | 6 | | |
| American Smelting and Refining Co | 6 | 131 | | | |
| American Social Science Association | 5 | 27 | | | |
| American Society for Engineering Education | 4 | 121 | | | |
| American Society of Agronomy | 1 | 5 | | | |
| American Society of Bacteriologists | 4 | 74 | | | |
| American Society of Civil Engineers | 12 | 157 | | |  |
| American Society of Human Genetics | 1 | | | | |
| American Society of Landscape Architects | 6 | 1 | | | |
| American Society of Mechanical Engineers | 11 | 211 | | | |
| American Society of Mining Engineers | 1 | | | | |
| American Society of Naturalists | 27 | 484 | | | |
| American Society of Naval Engineers | 1 | 2 | | | |
| American Society of Science Educators | 1 | 16 | | | |
| American Society of Zoologists | 5 | 149 | | | |
| American Sociological Society | 1 | 3 | | | |
| American Speaking Telephone Co | 3 | 13 | | | |
| American Steel and Wire Co of New Jersey | 1 | 31 | | | |
| American Steel Foundries Co | 3 | 32 | | | |
| American Sugar Refining Co | 9 | 37 | 1 | |  |
| American Sunday School Union | 1 | 3 | | |  |
| American Surety Co | 7 | 29 | | | |
| American Surety Co of New York | 13 | 108 | | | |
| American Surgical Association | 15 | 94 | | | |
| American Telegraph and Cable Co | 4 | 10 | | | |
| American Telephone and Telegraph Co | 22 | 164 | 13 | |  |
| American Temperance Society | 2 | | | | |
| American Textile Co | 2 | 7 | | | |
| American Therapeutic Society | 3 | 10 | | | |
| American Tobacco Co | 6 | 60 | | | |
| American Tract Society of New York | 1 | | | | |
| American Trading Co | 1 | 15 | | | |
| American Trust and Savings Bank of Chicago | 2 | 16 | | | |
| American Trust Co | 11 | 77 | | |  |
| American Type Founders Co | 1 | 42 | | | |
| American Union Telegraph Co | 1 | 3 | | | |
| American Unitarian Association | 3 | 2 | | | |
| American Urological Association | 1 | 22 | | | |
| American Venture and Mines Co | 1 | 3 | | | |
| American Veterinary Medical Association | 1 | 6 | | | |
| American Warp-Drawing Machine Co | 2 | 7 | | | |
| American Water Color Society | 1 | 84 | | | |
| American Water Works and Guarantee Co | 1 | 14 | | | |
| American Water Works Association | 1 | 20 | | | |
| American Window Glass Co | 2 | 29 | | | |
| American Woman Suffrage Association | 4 | | | |  |
| American Woolen Co | 1 | 30 | | |  |
| American Wringer Co | 1 | 12 | | | |
| American Writing Paper Co | 2 | 58 | | | |
| American Zinc Lead and Smelting Co | 1 | 32 | 1 | | |
| American-Hawaiian Steamship Co | 3 | 14 | | | |
| American-La France Fire Engine Co | 1 | 16 | | | |
| Americans for Democratic Action | 1 | | | | |
| Ames Plow Co | 2 | 5 | | | |
| Ames Shovel and Tool Co | 3 | 16 | | | |
| Amnesty International | 1 | | | | |
| Amory Manufacturing Co | 2 | 4 | | | |
| Amoskeag Manufacturing Co | 4 | 28 | | | |
| AMVETS | 1 | | | | |
| Anaconda Copper Mining Co | 2 | 119 | 3 | | |
| Anchor Divide Mining Co | 2 | 6 | | | |
| Anderson Natural Gas and Oil Co | 1 | 3 | | | |
| Andes Copper Co | 2 | 10 | | | |
| Andover Iron Co | 1 | 13 | | | |
| Androscoggin and Kennebec Railroad | 2 | 17 | | | |
| Androscoggin Mills | 1 | 14 | | | |
| Androscoggin Pulp Co | 1 | 4 | | | |
| Androscoggin Railroad | 1 | 31 | | | |
| Anglo-American Provision Co | 1 | 6 | | | |
| Anheuser Busch | 2 | | | | |
| Ann Arbor Gas Co | 1 | 7 | | | |
| Ann Arbor Railroad | 7 | 125 | | | |
| Annapolis and Baltimore Short Line Railroad | 1 | 10 | | | |
| Annapolis and Elk Ridge Railroad | 2 | 27 | | | |
| Annapolis Convention - 1776 | 25 | | | | |
| Annapolis Savings Institute | 1 | 4 | | | |
| Annapolis, Washington and Baltimore Railroad | 1 | 11 | | | |
| Ansonia Brass and Copper Co | 1 | 4 | | | |
| Ansonia Clock Co | 2 | 7 | | | |
| Anthropological Society of Washington | 1 | 11 | | | |
| Anti-Saloon League | 2 | 81 | | | |
| Anti-Slavery Conventions of American Women | 1 | | | | |
| Apex Divide Mining Co | 2 | 7 | | | |
| Apollo Water Works Co | 2 | 7 | | | |
| Appraiser of the Port of New York | 1 | | | | |
| Aransas Harbor Terminal Railway | 1 | 2 | | | |
| Arcadian Copper Co | 2 | 2 | | | |
| Archaeological Institute of America | 8 | 23 | | | |
| Architect of the Capitol | 5 | | | | |
| Archives of Pediatrics | 1 | 5 | | | |
| Argo Mills Co | 3 | 5 | | | |
| Arizona Belmont Mining Co | 1 | 2 | | | |
| Arizona Cardinals | 1 | | | | |
| Arizona Diamondbacks | 2 | | | | |
| Arizona-Nevada Copper Co | 1 | 12 | | | |
| Arizota Mining Co | 1 | 1 | | | |
| Arkansas Bar Association | 1 | | | | |
| Arkansas Cattlemens Association | 1 | | | | |
| Arkwright Mutual Fire Insurance Co | 2 | 11 | | | |
| Arlington Gas Light Co | 1 | 12 | 1 | | |
| Arlington Mills | 1 | 16 | | | |
| Armour and Co | 2 | 86 | | | |
| Armour Grain Co | 2 | 9 | | | |
| Armour Industrial Chemical Co | 1 | | | | |
| Army and Navy Club | 2 | | | | |
| Army and Navy Journal | 2 | 2 | | | |
| Army Corps of Engineers | 16 | 18 | | | |
| Army Judge Advocate General | 1 | | | | |
| Arnold Print Works | 1 | 13 | | | |
| Arrowhead Annex Mining Co | 2 | 5 | | | |
| Arrowhead Extension Mining Co | 1 | 5 | | | |
| Art Institute of Chicago | 1 | 12 | | | |
| Arthur State Bank | 1 | | | | |
| Asa Gray Bulletin | 1 | 4 | | | |
| Asa Peck and Co | 1 | 5 | | | |
| Ashburton Mining Co | 1 | 3 | | | |
| Asheville NC Gazette-News | 1 | 3 | | | |
| Asheville Postcard Co | 1 | | | | |
| Asheville Telephone and Telegraph Co | 1 | 6 | | | |
| Ashman Coal Co | 1 | 2 | | | |
| Asiatic Fleet | 11 | | | | |
| Asiatic Squadron | 7 | | | | |
| Associated Charities | 4 | 36 | | | |
| Associated Merchants Co | 1 | 18 | | | |
| Associated Press | 1 | 55 | | | |
| Association for Retarted Children | 1 | | | | |
| Association for the Preservation of Geneseo | 1 | | | | |
| Association of American Anatomists | 13 | 151 | | | |
| Association of American Geographers | 2 | 61 | | | |
| Association of American Library schools | 2 | 5 | | | |
| Association of American Physicians | 30 | 114 | | | |
| Association of Military Surgeons of the United States | 1 | 6 | | | |
| Association of Working Girls Societies | 1 | | | | |
| Astor National Bank | 2 | 12 | 1 | | |
| Astor Safe Deposit Co | 1 | 7 | | | |
| Astor Trust Co | 13 | 33 | 2 | | |
| Astoria Light, Heat and Power Co | 3 | 10 | 1 | | |
| Astronomical and Astrophysical Society | 10 | 154 | | | |
| Astrophysical Journal | 1 | 2 | | | |
| Atchison and Nebraska Railroad | 2 | 20 | | | |
| Atchison Gas Electric Light and Power Co | 1 | 3 | | | |
| Atchison, Topeka and Santa Fe Railway | 22 | 931 | 1 | 🚂 |  |
| Athalia Daly Home | 1 | 2 | | | |
| Atlanta and Charlotte Air Line Railroad | 3 | 13 | | | |
| Atlanta and Florida Railway | 1 | 6 | | | |
| Atlanta and Richmond Air Line | 1 | 3 | | | |
| Atlanta and West Point Railroad | 3 | 61 | | | |
| Atlanta Braves | 9 | | | | |
| Atlanta Falcons | 1 | | | | |
| Atlanta Gas Light Co | 2 | 13 | | | |
| Atlanta Hawks | 1 | | | | |
| Atlanta, Birmingham and Atlantic Railway | 2 | 26 | | | |
| Atlantic and Great Western Railroad | 11 | 139 | | | |
| Atlantic and Gulf Railroad | 1 | 12 | | | |
| Atlantic and North Carolina Railroad | 4 | 42 | | | |
| Atlantic and Pacific Railroad | 19 | 220 | | |  |
| Atlantic and St Lawrence Railroad | 4 | 22 | | | |
| Atlantic and Western Railroad | 1 | 4 | | | |
| Atlantic City Electric Co | 1 | 11 | | | |
| Atlantic City Gas and Water Co | 2 | 15 | | | |
| Atlantic City Railroad | 2 | 19 | | | |
| Atlantic Coast Line Railroad | 11 | 378 | | 🚂 |  |
| Atlantic Coast Lumber Co | 1 | 11 | | | |
| Atlantic Coast Steamship Co | 3 | 8 | | | |
| Atlantic Cotton Mills | 2 | 17 | | | |
| Atlantic Divide Mining Co | 1 | 5 | | | |
| Atlantic Fleet | 1 | | | | |
| Atlantic Mining Co | 1 | 16 | | | |
| Atlantic Mutual Insurance Co | 6 | 39 | | | |
| Atlantic National Bank of New York | 1 | 8 | | |  |
| Atlantic National Bank of Wilmington | 2 | 30 | | |  |
| Atlantic Refining Co | 1 | 16 | | |  |
| Atlantic, Gulf and West Indies Steamship Lines | 2 | 9 | 7 | | |
| Atlantic, Mississippi and Ohio Railroad | 1 | 6 | 3 | |  |
| Atlantic, Valdosta and Western Railway | 1 | 18 | | | |
| Atlas Assurance Co | 1 | 6 | | | |
| Atlas Portland Cement Co | 6 | 29 | | | |
| Atomic Energy Commission | 1 | | | | |
| Attorneys Real Estate Trust | 1 | 3 | | | |
| Auburn and Allentown Railroad | 1 | 3 | | | |
| Auburn Gas Light Co | 1 | 2 | | | |
| Auburn Light, Heat and Power Co | 1 | 4 | | | |
| Auburn NY Citizen | 1 | 1 | | | |
| Auburn Woolen Co | 1 | 1 | | | |
| Audit Co of New York | 6 | 32 | | | |
| Auditor | 7 | | | | |
| Audubon Society | 1 | 3 | | | |
| Aug A. Busch and Co | 1 | 14 | | |  |
| Augusta and Savannah Railroad | 2 | 15 | | | |
| Aurora Consolidated Mines Co | 2 | 6 | | | |
| Aurora Cotton Mill | 1 | | | | |
| Aurora Gas Light Co | 1 | 2 | | | |
| Aurora IL Beacon-News | 1 | 6 | | | |
| Aurum Mines | 1 | 7 | | | |
| Automatic Electric Co | 2 | 9 | | | |
| Automatic Time Stamp Co | 1 | 5 | | | |
| Automatic Weighing Machine Co | 2 | 11 | | | |
| Automobile Mutual Insurance Co of America | 1 | 9 | | | |
| Automobile Publishing Co | 1 | 4 | | |  |
| Automotive Hall of Fame | 1 | | | | |
| Autosales Gum and Chocolate Co | 2 | 11 | | | |
| Ayer Electric Light Co | 1 | 5 | 1 | | |
| Aztec Club of 1847 | 23 | | | | |
| Aztec Plantation Co | 1 | 5 | | | |
| A Collins Lumber Co | | 4 | | | |
| A. A. Jackson and Co | | 22 | | | |
| A. A. Knights and Son Co | | 2 | | | |
| A. and F. Spring Co | | 5 | | | |
| A. and P. Roberts Co | | 4 | | 🚂 | |
| A. B. and E. L. Shaw Co | | 3 | | | |
| A. B. Conant Co | | 1 | | | |
| A. B. Dick Co | | 3 | | | |
| A. B. Farquhar Co | | 3 | | | |
| A. B. Kirschbaum and Co | | 2 | | | |
| A. B. Leach and Co | | 1 | | | |
| A. B. McCrillis and Son | | 2 | | | |
| A. B. McNeely | | 13 | | | |
| A. Bauer and Co | | 5 | | | |
| A. Booth and Co | | 8 | | | |
| A. Brown Boughner | | | | | |
| A. Brownstein and Co | | 7 | | | |
| A. C. Barler Manufacturing Co | | 4 | | | |
| A. C. Howard Manufacturing Co | | 2 | | | |
| A. C. Landers and Son | | 1 | | | |
| A. C. Manchester Co | | 1 | | | |
| A. C. McClurg and Co | | 7 | | | |
| A. C. Powers Mineral Water Supply Co | | 2 | | | |
| A. C. Swanson Candy Co | | 3 | | | |
| A. C. Tuxbury Lumber Co | | 4 | | | |
| A. Cohn Co | | 13 | | | |
| A. Colburn Co | | 3 | | | |
| A. David Co | | 6 | | | |
| A. E. Little Co | | 10 | | | |
| A. E. Martell Co | | 2 | | | |
| A. E. Nettleton Co | | 3 | | | |
| A. E. Reid Co | | 5 | | | |
| A. E. Staley Manufacturing Co | | 3 | | | |
| A. F. Anderson Co | | 5 | | | |
| A. F. Kern Co | | 2 | | | |
| A. F. Morse Lumber Co | | 1 | | | |
| A. Flanagan Co | | 3 | | | |
| A. Fred Brown Commission Co | | 3 | | | |
| A. Fusenot Co | | 5 | | | |
| A. G. Becker and Co | | 3 | | | |
| A. G. Hyde and Sons | | 9 | | | |
| A. G. Lehman Co | | 3 | | | |
| A. G. Spalding and Brothers | | 22 | | | |
| A. Garrison Foundry Co | | 2 | | | |
| A. H. Andrews Co | | 3 | | | |
| A. H. Barber and Co | | 3 | | | |
| A. H. Bull Steamship Co | | 2 | | | |
| A. H. Busch Co | | 13 | | | |
| A. H. Davenport Co | | 5 | | | |
| A. H. Hews and Co | | 3 | | | |
| A. H. Pierce Manufacturing Co | | 2 | | | |
| A. H. Pugh Printing Co | | 6 | | | |
| A. H. Thompson Co | | 3 | | | |
| A. H. Vilas Co | | 3 | | | |
| A. Henrotin Co | | 3 | | | |
| A. Iselin and Co | | 2 | | | |
| A. J. Brown Co | | 6 | | | |
| A. J. Hamilton Co | | 8 | | | |
| A. J. Hoover Printing Co | | | | | |
| A. J. Houghton Co | | 6 | | | |
| A. J. Johnson and Sons Furniture Co | | 5 | | | |
| A. J. Logan Co | | 5 | | | |
| A. J. Osgood Co | | 6 | | | |
| A. J. Reach and Co | | 3 | | | |
| A. J. Sanborns Sons | | 1 | | | |
| A. J. Smith Realty Co | | 2 | | | |
| A. K. Brauer and Co | | 12 | | | |
| A. L. Freeman Co | | | | | |
| A. L. Gude Co | | 28 | | | |
| A. L. Reid Co | | 1 | | | |
| A. L. Swett Electric Light and Power Co | | 5 | | | |
| A. L. Swift and Co | | 3 | | | |
| A. L. Wolff and Co | | 6 | | | |
| A. M. Byers Co | | 7 | | | |
| A. M. Collins Manufacturing Co | | 3 | | | |
| A. M. Crane and Co | | 5 | | | |
| A. M. Kupfer Corp | | 8 | | | |
| A. M. McPhail Piano Co | | 3 | | | |
| A. M. Rothschild and Co | | 3 | | | |
| A. Magnus Sons Co | | 3 | | | |
| A. McArthur Co | | 5 | | | |
| A. N. Kellogg Newspaper Co | | 3 | | | |
| A. O. Norton Co | | 2 | | | |
| A. P. Aldrich and Sons | | 3 | | | |
| A. Plamondon Manufacturing Co | | 3 | | | |
| A. R. Barnes and Co | | 4 | | | |
| A. R. Beck Lumber Co | | 2 | | | |
| A. R. Bremer Co | | 2 | | | |
| A. R. Willmann Co | | 3 | | | |
| A. S. Morss Co | | 3 | | | |
| A. S. Vandergrift Co | | 13 | | | |
| A. Schoenhut Co | | 1 | | | |
| A. Storrs and Bement Co | | 3 | | | |
| A. Stowell and Co | | 3 | | | |
| A. T. Armstrong Co | | 7 | | | |
| A. T. Scattergood Co | | 2 | | | |
| A. T. Steams Lumber Co | | 4 | | | |
| A. T. Stewart Lumber Co | | 3 | | | |
| A. W. Bowen and Co | | | | | |
| A. W. C. Mining Co | | 3 | | | |
| A. W. McCloy Co | | 5 | | | |
| A. W. Settles Co | | 5 | | | |
| A. W. Shaw Co | | 6 | | | |
| A. W. Smith Co | | 4 | | | |
| A. Warner and Co | | | | | |
| A. Y. McDonald Co | | 3 | | | |
| A. Zeese Engraving Co | | 21 | | | |
| Aaron Electric Co | | 2 | | | |
| Abbeville and Waycross Railroad | | 2 | | | |
| Abbeville SC Medium | | 2 | | | |
| Abbot Worsted Co | | 5 | | | |
| Abbotsford and Northeastern Railroad | | 9 | | | |
| Abbott Alkaloidal Co | | 5 | | | |
| Abbott and Femald Co | | 4 | | | |
| Abbott Hardware Co | | 5 | | | |
| Abbott Machine Co | | 3 | | | |
| Abbott Packing Co | | 3 | | | |
| Abe Lincoln Mining Co | | 10 | | | |
| Abendpost Co | | 2 | | | |
| Abendroth and Root Manufacturing Co | | 3 | | | |
| Aberdeen and Asheboro Railway | | 8 | | | |
| Aberdeen and West End Railroad | | 2 | | | |
| Aberdeen Gas Co | | 5 | | | |
| Aberdeen Land Co | | 2 | | | |
| Aberdeen Light and Fuel Co | | 2 | | | |
| Aberdeen Lumber Co | | 3 | | | |
| Aberdeen MD Enterprise | | 1 | | | |
| Aberdeen NC Telegram | | 1 | | | |
| Aberfoyle Mills Co | | 4 | | | |
| Aberthaw Construction Co | | 19 | | | |
| Abilene and Southern Railway | | 6 | | | |
| Abilene Light and Water Co | | 3 | | | |
| Abilene National Bank | | 1 | | | |
| Abingdon IL Kodak | | 2 | | | |
| Abingdon Light and Power Co | | 2 | | | |
| Abingdon VA Virginian | | 1 | | | |
| Abington National Bank | | 1 | | | |
| Abram Cox Stove Co | | 5 | | | |
| Abrasive Material Co | | 4 | | | |
| Abstract Safety Vault Co | | 4 | | | |
| Acacia Gold Mining Co | | 2 | | | |
| Academy of Political Science | | 2 | | | |
| Acayucan Planters Co | | 3 | | | |
| Accomack News | | 1 | | | |
| Acetylene Gas Machine Improvement Co | | 5 | | | |
| Acheson Harden Co | | 6 | | | |
| Acker, Merrall and Condit Co | | 15 | | | |
| Acme Ball Bearing Co | | 8 | | | |
| Acme Box Co | | 6 | | | |
| Acme Cement Plaster Co | | 9 | | | |
| Acme Consolidated Gold and Copper Mining Co | | 6 | | | |
| Acme Copying Co | | 3 | | | |
| Acme Electric Co | | 3 | | | |
| Acme Finishing Co | | 4 | | | |
| Acme Flexible Clasp Co | | 5 | | | |
| Acme Gas Co | | 5 | | | |
| Acme Harvesting Machine Co | | 7 | | | |
| Acme Lead and Zinc Co | | 4 | | | |
| Acme Mining Co | | 3 | | | |
| Acme Plumbing Co | | 17 | | | |
| Acme Portland Cement Co | | 14 | | | |
| Acme Publishing Co | | | | | |
| Acme Stamp Works | | 2 | | | |
| Acme Steel Goods Co | | 5 | | | |
| Acme Tea Co | | 5 | | | |
| Acme Transfer Co | | 5 | | | |
| Acme White Lead and Color Works | | 11 | | | |
| Acorn Brass Works | | 2 | | | |
| Actuarial Society of America | | 13 | | | |
| Acushnet Cooperative Bank | | 1 | | | |
| Acushnet Mill Co | | 9 | | | |
| Ada Electric and Gas Co | | 3 | | | |
| Ada Water, Heat and Light Co | | 7 | | | |
| Adam Diehl Sons | | 4 | | | |
| Adam J. Press Co | | 4 | | | |
| Adam Sutcliffe Co | | 1 | | | |
| Adams and Elting Co | | 3 | | | |
| Adams and Westlake Co | | 7 | | | |
| Adams Cooperative Bank | | 1 | | | |
| Adams County Bank of Decatur | | 1 | | | |
| Adams county Bank of Villisca | | 1 | | | |
| Adams County Bank of West Union | | 1 | | | |
| Adams County NE Democrat | | 2 | | | |
| Adams Grain and Provision Co | | 21 | | | |
| Adams MA Freeman | | 1 | | | |
| Adams Mining Co | | 5 | | | |
| Adams Pipe Works | | 4 | | | |
| Adams, Sampson and Co | | | | | |
| Adanac Silver Mines | | 6 | | | |
| Adder Machine Co | | 11 | | | |
| Addie Mining Co | | 2 | | | |
| Addison Copper Co | | 3 | | | |
| Addison Gas and Power Co | | 3 | | | |
| Addison Railroad | | 3 | 1 | | |
| Addison State Bank | | 1 | | | |
| Addressograph Co | | 2 | | | |
| Addyston and Ohio River Railroad | | 11 | | | |
| Adirondack and St Lawrence Railway | | 13 | | | |
| Adirondack Cottage Sanitorium | | | | | |
| Adirondack Herald | | 2 | | | |
| Adjustment Bureau | | 1 | | | |
| Admiral Manufacturing Co | | 3 | | | |
| Admiral Mining Co | | 5 | | | |
| Admiralty Zinc Co | | 4 | | | |
| Adnof Manufacturing Co | | 3 | | | |
| Adrian and Ann Arbor Electric Railroad | | 7 | | | |
| Adrian and Detroit Railroad | | 17 | | | |
| Adrian and Jackson Traction Railroad | | 5 | | | |
| Adrian and State Line Railroad | | 14 | | | |
| Adrian City Electric Belt Railroad | | 5 | | | |
| Adrian City Electric Belt Railway | | 4 | | | |
| Adrian City Train and Street Railroad | | 5 | | | |
| Adrian Gas Co | | 9 | | | |
| Adrian Street Railroad | | 7 | | | |
| Adrian Water Co | | 2 | | | |
| Advance Lumber Co | | 7 | | | |
| Advance Machine Co | | 4 | | | |
| Advance Mining Co of Idaho | | 5 | | | |
| Advance Mining Co of Washington | | 9 | | | |
| Advance Packing and Supply Co | | 4 | | | |
| Advance Publishing Co | | 4 | | | |
| Advance Thresher Co | | 5 | | | |
| Advent Review and Sabbath Herald | | 2 | | | |
| Advertiser | | 2 | | | |
| Advertiser and Eagle | | 1 | | | |
| Advertiser and Review | | 1 | | | |
| Adverttser | | 1 | | | |
| Advocate | | 6 | | | |
| Advocate of Peace | | 1 | | | |
| Aeolian Co | | 1 | | | |
| Aeolian Record Manufacturing Co | | 1 | | | |
| Aermotor Co | | 3 | | | |
| Aero Cushion Tire Co | | 5 | | | |
| Aetna Bottle and Stopper Co | | 1 | | | |
| Aetna Casualty and Surety Co | | 1 | | | |
| Aetna Iron and Steel Works | | 2 | | | |
| Aetna Mining and Milling Co | | 5 | | | |
| Aetna Nut Co | | 4 | | | |
| Aetna Oil Mining and Developing Co | | 4 | | | |
| Aetna Powder Co | | 2 | | | |
| Africo-American Presbyterian | | 1 | | | |
| Afro-American Mutual Insurance Co | | 8 | | | |
| After All Mines Co | | 5 | | | |
| Afterthought Copper Co | | 15 | | | |
| Agar Packing Co | | 5 | | | |
| Agents Worlw | | 2 | | | |
| Agnew Auto Mailing Machine Co | | 4 | | | |
| Agricultural Chemical Works | | 4 | | | |
| Agricultural Insurance Co | | 13 | | | |
| Agriculture | | 2 | | | |
| Aguacate Mines | | 4 | | | |
| Aguila Amalgamated Mining Co | | 17 | | | |
| Aguila Consolidated Mining Co | | 3 | | | |
| Ahnapee and Western Railway | | 4 | | | |
| Ahrens and Ott Manufacturing Co | | 3 | | | |
| Ahrens Coal Co | | 3 | | | |
| Aichan Bee Silver-Lead Mining Co | | 6 | | | |
| Aiken SC Recorder | | 1 | | | |
| Aiken SC Times | | 1 | | | |
| Ailing and Cory Co | | 5 | | | |
| Aintram Mining Co | | 5 | | | |
| Air Line Carrier Co | | 2 | | | |
| Air Line Railway of Michigan | | 8 | | | |
| Airedale Divide Mining Co | | 5 | | | |
| Airedale Mills Co | | 3 | | | |
| Ajax Forge Co | | 4 | | | |
| Ajax Metal Mining Co | | 6 | | | |
| Ajax Mining Co | | 7 | | | |
| Ajax-Grieb Rubber Co | | 3 | | | |
| Ajo Cornelia Copper Co | | 4 | | | |
| Akam Billiard Manufacturing Co | | 3 | | | |
| Akerman Co | | 3 | | | |
| Akron and Chicago Junction Railway | | 2 | | | |
| Akron Iron Co | | 3 | | | |
| Akron Mines Co | | 2 | | | |
| Akron Natural Gas Co | | 2 | | | |
| Akron OH Beacon Journal | | 2 | | | |
| Akron Peoples Telephone Co | | 9 | | | |
| Akron Press | | 2 | | | |
| Akron Street Railroad | | 4 | | | |
| Akron, Canton and Youngstown Railway | | 4 | | | |
| Alabama and Chattanooga Railroad | | 6 | | | |
| Alabama and Georgia Iron Co | | 10 | | | |
| Alabama and Mississippi Rivers Railroad | | 9 | | | |
| Alabama and Tennessee River Railroad | | 21 | | | |
| Alabama and Tombigbee Railroad | | 9 | | | |
| Alabama and Vicksburg Railway | | 32 | | | |
| Alabama Beacon | | 2 | | | |
| Alabama Central Railroad | | 5 | | | |
| Alabama Christian Advocate | | 2 | | | |
| Alabama Fuel and Iron Co | | 11 | | | |
| Alabama Iron and Steel Co | | 5 | | | |
| Alabama Leader | | 2 | | | |
| Alabama Marble Co of New York | | 9 | | | |
| Alabama Medical and Surgical Age | | 1 | | | |
| Alabama Ore and Iron Co | | 15 | | | |
| Alabama Power Co | | 4 | | | |
| Alabama Wood Iron and Steel Co | | 1 | | | |
| Alabama, Tennessee and Northern Railroad | | 6 | | | |
| Aladdin Cobalt | | 4 | | | |
| Aladdin Divide Mining Co | | 5 | | | |
| Aladdin Mining Co | | 3 | | | |
| Alamance Gleaner | | 1 | | | |
| Alameda and San Joaquin Railroad | | 5 | | | |
| Alameda Co | | 3 | | | |
| Alameda Mining Co | | 6 | | | |
| Alameda Sugar Co | | 6 | | | |
| Alameda, Oakland and Piedmont Railroad | | 4 | | | |
| Alamo Film Exchange Co | | 4 | | | |
| Alamo Gold Mining Co | | 5 | | | |
| Alamogordo and Sacramento Mountain Railway | | 5 | | | |
| Alamosa CO Independent Journal | | 2 | | | |
| Alaska and Chicago Commercial Co | | 3 | | | |
| Alaska British Columbia Metals Co | | 5 | | | |
| Alaska Consolidated Copper Co | | 9 | | | |
| Alaska Consolidated Mining and Smelting Co | | 6 | | | |
| Alaska Copper Co | | 12 | | | |
| Alaska Dome Mining Co | | 2 | | | |
| Alaska Douglas Gold Mining Co | | 2 | | | |
| Alaska Electric Light and Power Co | | 4 | | | |
| Alaska Gastineau Mining Co | | 7 | | | |
| Alaska Gold Belt Mining Co | | 5 | | | |
| Alaska Gold Mines Co | | 12 | | | |
| Alaska Homestake Mining Co | | 4 | | | |
| Alaska Industrial Co | | 5 | | | |
| Alaska Juneau Gold Mining Co | | 11 | | | |
| Alaska Mexican Gold Mining Co | | 6 | | | |
| Alaska Packers Association | | 12 | | | |
| Alaska Pittsburgh Gold Mining Co | | 6 | | | |
| Alaska Railroad | | 7 | | | |
| Alaska Standard Copper Mining Co | | 2 | | | |
| Alaska Tidewater Copper Co | | 6 | | | |
| Alaska Treadwell Gold Mining Co | | 9 | | | |
| Alaska United Copper Exploration Co | | 16 | | | |
| Alaska United Gold Mining Co | | 6 | | | |
| Alaska Water, Light and Telephone Co | | 4 | | | |
| Alaska Westover Copper Co | | 5 | | | |
| Alaska Zinc and Copper Co | | 2 | | | |
| Alaska-Calumet Copper Co | | 6 | | | |
| Alaskan Engineering Commission | | 7 | | | |
| Albany and Northern Railway | | 3 | | | |
| Albany and Rensselaer Iron and Steel Co | | 3 | | | |
| Albany County Bank | | 18 | | | |
| Albany County Savings Bank | | 21 | | | |
| Albany Divide Mining Co | | 6 | | | |
| Albany GA World | | 2 | | | |
| Albany Home Telephone Co | | 12 | | | |
| Albany Hospital | | | | | |
| Albany IL Herald | | 1 | | | |
| Albany IL Review | | 3 | | | |
| Albany Institute of History and Art | | 2 | | | |
| Albany Lead Mining Co | | 2 | | | |
| Albany National Bank | | 1 | | | |
| Albany Northern Railroad | | 15 | | | |
| Albany NY Freeholder | | 2 | | | |
| Albany NY Light | | 2 | | | |
| Albany Paper Co | | 2 | | | |
| Albany Park IL Times | | 1 | | | |
| Albany Power and Manufacturing Co | | 5 | | | |
| Albany Southern Railroad | | 19 | | | |
| Albany State Bank | | 1 | | | |
| Albany TX Herald | | 1 | | | |
| Albaugh-Dover Co | | 10 | | | |
| Albemarle and Chesapeake Canal Co | | 7 | | | |
| Albemarle Steam Navigation Co | | 3 | | | |
| Albert and J. M. Anderson Manufacturing Co | | 4 | | | |
| Albert Beacon Gold Mining Co | | 6 | | | |
| Albert Dickinson Co | | 7 | | | |
| Albert E. Colburn Co | | 5 | | | |
| Albert L. Brahm Co | | 3 | | | |
| Albert Lea Light and Power Co | | 5 | | | |
| Albert Lorsch and Co | | 3 | | | |
| Albert Lurie Co | | 2 | | | |
| Albert Manufacturing Co | | 5 | | | |
| Albert Pick and Co | | 4 | | | |
| Albert Railway | | 3 | | | |
| Albert Schwill and Co | | 5 | | | |
| Albert Southern Railway | | 4 | | | |
| Alberta Mining Co | | 9 | | | |
| Alberta Portland Cement Co | | 13 | | | |
| Alberta Railway and Coal Co | | 13 | | | |
| Albia and Centerville Railroad | | 2 | | | |
| Albion Consolidated Mining Co | | 8 | | | |
| Albion Gas Light Co | | 4 | | | |
| Albion IL Journal-Register | | 1 | | | |
| Albion MI Mirror | | 2 | | | |
| Albion NE News | | 1 | | | |
| Albion NY News | | 1 | | | |
| Albion Savings Bank of Albion | | 1 | | | |
| Albion Telephone Co | | 3 | | | |
| Albion, Charlotte, Northern Railroad | | 5 | | | |
| Albro Extension Mining and Milling Co | | 2 | | | |
| Albro-Clem Elevator Co | | 3 | | | |
| Albuquerque Film Manufacturing Co | | 3 | | | |
| Albuquerque Gas Co | | 2 | | | |
| Albuquerque Gas, Electric Light and Power Co | | 4 | | | |
| Albuquerque National Bank | | 2 | | | |
| Alburger, Stoerr and Co | | 2 | | | |
| Alcania Co | | 2 | | | |
| Alcides Mining Co | | 5 | | | |
| Alcorn Rubber Co | | 5 | | | |
| Alcyone Mining Co | | 5 | | | |
| Alda Divide Mining Co | | 6 | | | |
| Alden NY Union | | 3 | | | |
| Alden Speares Sons Co | | 5 | | | |
| Aldine Trust Co | | 4 | | | |
| Aldmento Mines Co | | 2 | | | |
| Aldrich Paper Co | | 6 | | | |
| Aleania Co | | 2 | | | |
| Aledo IL Times Record | | 7 | | | |
| Alex Sprunt and Son Co | | 7 | | | |
| Alexander and Garsed | | 52 | | | |
| Alexander and Oviatt | | 9 | | | |
| Alexander and Rich Mountain Railway | | 4 | | | |
| Alexander Brick Co | | 5 | | | |
| Alexander Campbell Milk Co | | 7 | | | |
| Alexander Car Replacer Manufacturing Co | | 6 | | | |
| Alexander Eccles and Co | | 7 | | | |
| Alexander Lead and Zinc Co | | 2 | | | |
| Alexander Lumber Co | | 2 | | | |
| Alexandria and Fredericksburg Railroad | | 4 | | | |
| Alexandria and Washington Railroad | | 2 | | | |
| Alexandria Electric Co | | 4 | | | |
| Alexandria Gas Light Co | | 5 | | | |
| Alexandria Hotel Co | | 96 | | | |
| Alexandria VA Tidies | | 1 | | | |
| Alexis IL Argus | | 3 | | | |
| Alexo Mines | | 7 | | | |
| Alfalfa Stock Food Co | | 5 | | | |
| Alfred Anthony Estate Co | | 1 | | | |
| Alfred E. Gwynn Co | | 9 | | | |
| Alfred L. Robbins Martin Co | | 3 | | | |
| Alfred Mudge and Son | | | | | |
| Alger-Sullivan Lumber Co | | 7 | | | |
| Algiers and Gretna Railway | | 3 | | | |
| Algoma Central and Hudson Bay Railway | | 23 | | | |
| Algoma Eastern Railway | | 4 | | | |
| Algoma Pioneer | | 2 | | | |
| Algoma Steel Co | | 3 | | | |
| Algomah Mining Co | | 8 | | | |
| Algonkian Mines Co | | 5 | | | |
| Algonquin Printing Co | | 6 | | | |
| Algooton Land Co | | 8 | | | |
| Algots and Broman Co | | 3 | | | |
| Alhambra and Pasadena Street Railway | | 5 | | | |
| Alhambra Ceramic Works | | 3 | | | |
| Ali Baba Mining Co of Bullfrog Nevada | | 5 | | | |
| Alice Furnaces | | 3 | | | |
| Alice Gold Mills Co | | 11 | | | |
| Alice Mining Co | | 5 | | | |
| Alienist and Neurologist | | 2 | | | |
| Aliquippa National Bank | | 1 | | | |
| Aliunde Consolidated Mining Co | | 2 | | | |
| Alizone Silver Queen Mining Co | | 4 | | | |
| Alkaloidal Clinic | | 2 | | | |
| All Nations Deposit Bank of Pittsburgh | | 11 | | | |
| Allan-Pfeiffer Chemical Co | | 12 | | | |
| Allbright-Nell Co | | 3 | | | |
| Allegan and Holland Railroad | | 9 | | | |
| Allegan and Lake Shore Railroad | | 7 | | | |
| Allegan and State Line Railroad | | 7 | | | |
| Alleganian | | 1 | | | |
| Allegany and Kinzua Railroad | | 9 | | | |
| Allegany Central Railroad | | 4 | | | |
| Allegany Co Republican Press | | | | | |
| Alleghany Sentinel | | 1 | | | |
| Alleghany Star | | 1 | | | |
| Allegheny Brick Co | | 3 | | | |
| Allegheny Carpet Cleaning Co | | 3 | | | |
| Allegheny Coal Co | | 15 | | | |
| Allegheny Gas Co | | 4 | | | |
| Allegheny Lumber Co | | 5 | | | |
| Allegheny Ore and Iron Co | | 7 | | | |
| Allegheny Plate Glass Co | | 5 | | | |
| Allegheny River Mining Co | | 5 | | | |
| Allegheny Safe Deposit Co | | 9 | | | |
| Allegheny Steel Co | | 7 | | | |
| Allegheny Traction Co | | 4 | | | |
| Allegheny Trust Co | | 16 | | | |
| Allegheny Valley Bank of Pittsburgh | | 17 | | | |
| Allegheny Valley Brick Co | | 2 | | | |
| Allegheny Valley Water Co | | 2 | | | |
| Allemannia Fire Insurance Co of Pittsburgh | | 11 | | | |
| Allen and Reed Co | | 2 | | | |
| Allen B. Wrisley Co | | 3 | | | |
| Allen County KS Herald | | 1 | | | |
| Allen Sheep-Shearing Machine Co | | 5 | | | |
| Allen Wrench and Tool Co | | 4 | | | |
| Allen-Lane Co | | 2 | | | |
| Allens Avenue Land Co | | 1 | | | |
| Allentown Passenger Railway | | 3 | | | |
| Allentown Portland Cement Co | | 11 | | | |
| Allentown Rolling Mills | | 6 | | | |
| Allerton-Clarke Co | | 2 | | | |
| Allgrove Mining and Milling Co | | 3 | | | |
| Alliance and Northern Railroad | | 4 | | | |
| Alliance Copper Co | | 7 | | | |
| Alliance Gas and Power Co | | 9 | | | |
| Alliance Gas Light Co | | 2 | | | |
| Alliance Mining Co | | 5 | | | |
| Alliance Plow Boy | | 3 | | | |
| Allie Mining Co | | 3 | | | |
| Allied Boards of Trade | | 3 | | | |
| Allied Divide Extension Mining Co | | 5 | | | |
| Allied Divide Mining Co | | 5 | | | |
| Allied Gold Mines | | 7 | | | |
| Allied Gold Mining Co | | 3 | | | |
| Allied Mining and Milling Co | | 3 | | | |
| Allingham Stove Works | | 3 | | | |
| Alloy Steel Forging Co | | 4 | | | |
| Allston Cooperative Bank | | 1 | | | |
| Alma Ray Mining Co | | 5 | | | |
| Alma State Bank | | 1 | | | |
| Almanaris Co | | 2 | | | |
| Almeda Mines Co | | 5 | | | |
| Almini Co | | 3 | | | |
| Almoloya Mining Co | | 5 | | | |
| Almy Water Tube Boiler Co | | 5 | | | |
| Alpena and Michigan Southwestern Railroad | | 7 | | | |
| Alpena and Southwestern Railroad | | 7 | | | |
| Alpena and Western Railroad | | 9 | | | |
| Alpena Gas Co | | 3 | | | |
| Alpena Gas Light and Fuel Co | | 10 | | | |
| Alpena National Bank | | 2 | | | |
| Alpena Portland Cement Co | | 10 | | | |
| Alpena, Gaylord and Western Railroad | | 6 | | | |
| Alpha Copper Mining Co | | 7 | | | |
| Alpha Investment Co | | 2 | | | |
| Alpha Oil Co | | 3 | | | |
| Alpha Portland Cement Co | | 14 | | | |
| Alpha Quicksilver Co | | 5 | | | |
| Alpine Copper Mining Co | | 2 | | | |
| Alpine Mining and Milling Co | | 4 | | | |
| Alpine Mining Co | | 8 | | | |
| Alpine Plaster Co | | 5 | | | |
| Alsens American Portland Cement Works | | 8 | | | |
| Alsip Brick Co | | 3 | | | |
| Alston Manufacturing Co | | 2 | | | |
| Alta and Hecla Mining and Milling Co | | 5 | | | |
| Alta Consolidated Mining Co | | 5 | | | |
| Alta Cottonwood Mining Co | | 5 | | | |
| Alta Divide Gold Mining Co | | 5 | | | |
| Alta Mining and Development Co | | 5 | | | |
| Alta Mining and Smelting Co | | 5 | | | |
| Alta Planing Mill Co | | 8 | | | |
| Alta Prince Mining Co | | 2 | | | |
| Alta Silver Mining Co | | 4 | | | |
| Alta Superior Mining and Milling Co | | 2 | | | |
| Alta Tiger Mining Co | | 3 | | | |
| Alta Tunnel and Transportation Co | | 6 | | | |
| Alta-Utah Mines Co | | 3 | | | |
| Altamont IL News | | 3 | | | |
| Altman and Co | | 10 | | | |
| Alto Divide Mining Co | | 3 | | | |
| Alto Pass IL School Review | | 2 | | | |
| Alton Elevator Co | | 3 | | | |
| Alton Gas and Electric Co | | 7 | | | |
| Alton Gas and Electric Light Co | | 2 | | | |
| Alton Grain Co | | 3 | | | |
| Alton IL Evening Telegraph | | 6 | | | |
| Alton IL Observer | | 1 | | | |
| Alton Improvement Association Co | | 3 | | | |
| Alton Terminal Railway | | 5 | | | |
| Altoona and Beech Creek Railroad | | 3 | | | |
| Altoona Iron Co | | 3 | | | |
| Altoona PA Evening Gazette | | 2 | | | |
| Altoona PA Mirror | | 4 | | | |
| Alum Rock Gas Co | | 11 | | | |
| Aluminum Battery, Electric Light and Power Co | | 6 | | | |
| Aluminum Brass and Bronze Co | | 6 | | | |
| Aluminum Casting Co | | 7 | | | |
| Aluminum Potash Co | | 7 | | | |
| Alvarado Mining and Milling Co | | 14 | | | |
| Alvarez Land and Timber Co | | 1 | 1 | | |
| Alveoro Mines Co | | 2 | | | |
| Alvin IL News | | 1 | | | |
| Amador Mines Co | | 2 | | | |
| Amajac Mines Co | | 4 | | | |
| Amalgam Mining and Milling Co | | 4 | | | |
| Amalgamated Asbestos Co | | 16 | | | |
| Amalgamated Cobalt Mines | | 5 | | | |
| Amalgamated Divide Mining Co | | 5 | | | |
| Amalgamated Gold Mines Co | | 3 | | | |
| Amalgamated Mines Co | | 3 | | | |
| Amalgamated Oil Co | | 16 | | | |
| Amalgamated Pioche Mines and Smelters Corp | | 5 | | | |
| Amalgamated Silver Mines Co | | 9 | | | |
| Amalgamated Sugar Co | | 12 | | | |
| Amalgamated Zinc Co | | 11 | | | |
| Amargo Mining Co | | 2 | | | |
| Amarillo Gas Co | | 3 | | | |
| Amarillo Water, Light and Power Co | | 5 | | | |
| Amazon Oil Co | | 9 | | | |
| Amazon-Butte Copper Co | | 5 | | | |
| Amazon-Dixie Mining Co | | 6 | | | |
| Amberg File and Index Co | | 5 | | | |
| Amberg Granite Co | | 3 | | | |
| Ambergris Mines Co | | 6 | | | |
| Amboy and Traverse Bay Railroad | | 14 | | | |
| Amboy IL News | | 7 | | | |
| Ambro Mining Co | | 3 | | | |
| AME Zion Publishing House | | 14 | | | |
| Amelia County News | | 1 | | | |
| Amelia State Bank | | 1 | | | |
| American Academy of Dental Science | | 25 | | | |
| American Academy of Ophthalmology and Otolaryngology | | 38 | | | |
| American Academy of Railway Surgeons | | 2 | | | |
| American Agriculturist | | 2 | | | |
| American Air Goods Co | | 4 | | | |
| American Alkali Co | | 8 | | | |
| American Almaden Quicksilver and Gold Mining Co | | 2 | | | |
| American Alpine Club | | 6 | | | |
| American Amateur Photographer | | 3 | | | |
| American Analyst | | 2 | | | |
| American and British Manufacturing Co | | 5 | | | |
| American and Foreign Bible Society | | 12 | | | |
| American and Foreign Patent Review | | 1 | | | |
| American Annals of the Deaf | | 1 | | | |
| American Art Leather Co | | 3 | | | |
| American Artillery Range Finder and Relocater Co | | 2 | | | |
| American Association of Anatomists | | 9 | | | |
| American Association of Engineers | | 10 | | | |
| American Association of Railway Surgeons | | 8 | | | |
| American Association of University Professors | | 4 | | | |
| American Association of University Women | | 8 | | | |
| American Automatic Loom Co | | 3 | | | |
| American Automatic Telephone Co | | 12 | | | |
| American Automusic Co | | 7 | | | |
| American Axe and Tool Co | | 29 | | | |
| American Bakery Co | | 5 | | | |
| American Ball Co | | 3 | | | |
| American Ballast Co | | 2 | 1 | | |
| American Bank Building of Kansas City | | 2 | | | |
| American Bank of Philadelphia | | 4 | | | |
| American Bankers Association | | 10 | | | |
| American Baptist Missionary Union | | 7 | | | |
| American Battery Co | | 5 | | | |
| American Bauxite Co | | 2 | | | |
| American Benefit Journal | | 1 | | | |
| American Bicycle Co | | 18 | | | |
| American Bison Society | | 3 | | | |
| American Blue Book Publishers | | | | | |
| American Blue Printing Co | | 3 | | | |
| American Bolt Manufacturing Co | | 3 | | | |
| American Bond and Investment Co | | 2 | | | |
| American Book Co | | 55 | | | |
| American Bottle Co | | 8 | | | |
| American Bottling Co | | 1 | | | |
| American Box and Lumber Co | | 5 | | | |
| American Boy Mining | | 5 | | | |
| American Breeders Association | | 2 | | | |
| American Brewers Review | | 2 | | | |
| American Brewers Review Co | | 5 | | | |
| American Brick Co | | 4 | | | |
| American Brokerage and Warehouse Co | | 2 | | | |
| American Bronze Foundry Co | | 3 | | | |
| American Bureau of Shipping | | 23 | | | |
| American Calculating Machine Co | | 5 | | | |
| American Camphor Refining Co | | 3 | | | |
| American Canyon Water Co | | 5 | | | |
| American Car and Equipment Co | | 9 | | | |
| American Car Co | | 3 | | | |
| American Caramel Co | | 14 | | | |
| American Carbonic Acid Gas Co | | 3 | | | |
| American Cardiff Coal and Coke Co | | 3 | | | |
| American Carrara Marble Co | | 7 | | | |
| American Cashier Co | | 8 | | | |
| American Cast Iron Pipe Co | | 10 | | | |
| American Casting Machine Co | | 5 | | | |
| American Ceramic Society | | 8 | | | |
| American Chemical Journal | | 1 | | | |
| American Chess Magazine | | 2 | | | |
| American Chocolate Confection Co | | 4 | | | |
| American Chrome Co | | 4 | | | |
| American Cigar Co | | 14 | | | |
| American Circular Loom Co | | 4 | | | |
| American Cities Railway and Light Co | | 19 | | | |
| American Clay Products Co | | 9 | | | |
| American Clock Co | | 3 | | | |
| American Coal Co of Allegany County | | 16 | | | |
| American Colonial Bank of San Juan | | 1 | | | |
| American Colortype Co | | 10 | | | |
| American Commander Mining and Milling Co | | 2 | | | |
| American Conduit and Construction Co | | 3 | | | |
| American Conduit Manufacturing Co | | 3 | | | |
| American Confection Co | | 2 | | | |
| American Consolidated Copper Co | | 6 | | | |
| American Consolidated Mines Co | | 5 | | | |
| American Construction Co | | 3 | | | |
| American Contractor Publishing Co | | 2 | | | |
| American Copper and Gold Co | | 8 | | | |
| American Copper Mining And Milling Co | | 5 | | | |
| American Copying Co | | 2 | | | |
| American Counsel Co | | 3 | | | |
| American Credit-Indemnity Co of New York | | 28 | | | |
| American Creosoting Co | | 11 | | | |
| American Cultivator | | 1 | | | |
| American Cultivator Publishing Co | | 2 | | | |
| American Cutlery Co | | 5 | | | |
| American Cyclist | | 1 | | | |
| American Dental Association | | 10 | | |  |
| American Dental Society | | 12 | | | |
| American Deposit and Loan Co | | 10 | | | |
| American Dermatological Association | | 17 | | | |
| American Directory Co | | 1 | | | |
| American Disappearing Bed Co | | 8 | | | |
| American District Telegraph Co of Brooklyn | | 11 | | | |
| American Door Co | | 3 | | | |
| American Dredging Co of California | | 2 | | | |
| American Drug Co | | 7 | | | |
| American Druggist | | 1 | | | |
| American Druggist and Pharmaceutical Record | | 2 | | | |
| American Eagle Copper Mining Co | | 4 | | | |
| American Economical Association | | 4 | | | |
| American Education Society | | 6 | | | |
| American Electric Fuse Co | | 3 | | | |
| American Electric Motor Co | | 4 | | | |
| American Electric Register Co | | 4 | | | |
| American Electric Telephone Co | | 9 | | | |
| American Electric Vehicle Co | | 4 | | | |
| American Electrical Works | | 10 | | | |
| American Electrician | | 2 | | | |
| American Electrochemical Society | | 13 | | | |
| American Emery Wheel Works | | 2 | | | |
| American Enameled Brick and Tile Co | | 2 | | | |
| American Encaustic Tiling Co | | 9 | | | |
| American Engineer, Car Builder and Railroad Journal | | 2 | | | |
| American Engineering | | 1 | | | |
| American Engineering Co | | 12 | | | |
| American Engineering Specialty Co | | 3 | | | |
| American Engineering Works | | 2 | | | |
| American Enterprise | | 1 | | | |
| American Entomological Society | | 22 | | | |
| American Exchange And Savings Bank of Baltimore | | 14 | | | |
| American Exchange Bank of Elmwood | | 1 | | | |
| American Exchange Bank of St Joseph | | 1 | | | |
| American Exploration and Mining Co | | 7 | | | |
| American Fashion Co | | 6 | | | |
| American Featherbone Co | | 5 | | | |
| American Federation of Arts | | 3 | | | |
| American Ferrofix Brazing Co | | 3 | | | |
| American Finance and Securities Co | | 10 | 1 | | |
| American Fireproofing and Mining Co | | 2 | | | |
| American Flag Mining Co | | 4 | | | |
| American Flag Silver Mining Co | | 3 | | | |
| American Flax Fiber Co | | 3 | | | |
| American Flexible Bolt Co | | 4 | | | |
| American Forcite Powder Manufacturing Co | | 4 | | | |
| American Forestry Magazine | | 1 | | | |
| American Fork and Hoe Co | | 20 | | | |
| American Fork Exploration Co | | 6 | | | |
| American Foundry and Construction Co | | 2 | | | |
| American Foundry and Machinery Co | | 3 | | | |
| American Fruit Distributors | | 6 | | | |
| American Fruit Product Co | | 16 | | | |
| American Gas Light Journal | | 2 | | | |
| American Gasol Co | | 4 | | | |
| American Gastroenterological Association | | 3 | | | |
| American Glue Co | | 24 | | | |
| American Gold Dredging Co | | 4 | | | |
| American Gold Mining Co | | 2 | | | |
| American Grange Bulletin and Scientific Farmer | | 2 | | | |
| American Graphophone Co | | 29 | | | |
| American Grocer | | 3 | | | |
| American Guild of Organists | | 18 | | | |
| American Gynecological and Obstetrical Journal | | 2 | | | |
| American Hardware and Equipment Co | | 12 | | | |
| American Hardware Co | | 21 | | | |
| American Hay Co | | 6 | | | |
| American Health Instructor | | 1 | | | |
| American Heating and Construction Co | | 5 | | | |
| American Hide and Leather Co | | 25 | | | |
| American High Explosive Co | | 3 | | | |
| American Historical Co. | | | | | |
| American Historical Society | | | | | |
| American Homeopathist | | 2 | | | |
| American Hominy Co | | 18 | | | |
| American Horse Shoe Co | | 3 | | | |
| American Hospital Association | | 12 | | | |
| American Hotel Journal | | 1 | | | |
| American Hotel Register Co | | 2 | | | |
| American Hotel Supply Co | | 6 | | | |
| American Ice Co | | 34 | | | |
| American Ice Securities Co | | 16 | | | |
| American Importing Co | | 3 | | | |
| American Impression Book Co | | 3 | | | |
| American Improved Rail-Joint Co | | 4 | | | |
| American Industrials Co | | 5 | | | |
| American Institute of Banking | | 18 | | | |
| American Investment Co | | 2 | | | |
| American Iron and Steel Association | | 2 | | | |
| American Iron and Steel Manufacturing Co | | 24 | | | |
| American Issue | | 3 | | | |
| American Jewish Relief Committee for Sufferers of | | 1 | | | |
| American Journal of Dental Science | | 2 | | | |
| American Journal of Obstetrics | | 2 | | | |
| American Journal of Ophthalmology | | 4 | | | |
| American Journal of Public Health | | 1 | | | |
| American Journal of the Medical Sciences | | 3 | | | |
| American Land Co | | 4 | | | |
| American Laundry Machinery Co | | 13 | | | |
| American Law Book Co | | 2 | | | |
| American Law Register and Review | | 3 | | | |
| American Law Review | | 3 | | | |
| American Lead Co | | 4 | | | |
| American Legion of Honor Journal | | 1 | | | |
| American Library Journal | | 1 | | | |
| American Light and Heat Co of Frederick | | 3 | | | |
| American Light and Heat Co of Hagerstown | | 4 | | | |
| American Lighting Co | | 2 | | | |
| American Line | | 1 | 1 | | |
| American Linen Co | | 8 | | | |
| American Linoleum Manufacturing Co | | 6 | | | |
| American Linseed Co | | 47 | | | |
| American Linseed Oil and Dryer Co | | 3 | | | |
| American Liquid Air Co | | 4 | | | |
| American Lithographic Co | | 29 | | | |
| American Loom Co | | 4 | | | |
| American Lumber and Manufacturing Co | | 5 | | | |
| American Lumber Co | | 19 | | | |
| American Lumberman | | 3 | | | |
| American Magazine of Civics | | 2 | | | |
| American Maintenance Co | | 3 | | | |
| American Malleable Iron Co | | 3 | | | |
| American Malting Co | | 17 | | | |
| American Manganese Manufacturing Co | | 10 | | | |
| American Manufacturing Co | | 35 | | | |
| American Marine Insurance Syndicates | | 4 | | | |
| American Mason Safety Tread Co | | 3 | | | |
| American Mathematical Monthly | | 2 | | | |
| American Medical Digest | | 2 | | | |
| American Medical Library and Intelligencer | | 1 | | | |
| American Metal Hose Co | | 3 | | | |
| American Metal Polish Co | | 3 | | | |
| American Metal Ware Co | | 3 | | | |
| American Metals Producing Co | | 2 | | | |
| American Meteorological Society | | 5 | | | |
| American Meter Co | | 3 | | | |
| American Mica Co | | 2 | | | |
| American Milling Co | | 20 | | | |
| American Mills Co | | 1 | | | |
| American Minerals Production Co | | 2 | | | |
| American Mines Co | | 6 | | | |
| American Mines Syndicate | | 5 | | | |
| American Mining and Exploration Co | | 5 | | | |
| American Mining and Power Co | | 3 | | | |
| American Mining Co of Idaho | | 2 | | | |
| American Mining Co of Texas | | 2 | | | |
| American Moistening Co | | 3 | | | |
| American Monthly | | 3 | | | |
| American Monthly Microscopic Journal | | 2 | | | |
| American Monthly Microscopical Journal | | 2 | | | |
| American Multigraph Sales Co | | 4 | | | |
| American Mutual Fire Insurance Co | | 5 | | | |
| American National Bank of Asheville | | 4 | | | |
| American National Bank of Atlanta | | 12 | | | |
| American National Bank of Austin | | 7 | | | |
| American National Bank of Boston | | 1 | | | |
| American National Bank of Bowling Green | | 1 | | | |
| American National Bank of Dallas | | 1 | | | |
| American National Bank of Dayton | | 1 | | | |
| American National Bank of Ebensburg | | 1 | | | |
| American National Bank of El Paso | | 3 | | | |
| American National Bank of Findlay | | 2 | | | |
| American National Bank of Fort Smith | | 2 | | | |
| American National Bank of Fort Worth | | 1 | | | |
| American National Bank of Galveston | | 1 | | | |
| American National Bank of Green City | | 1 | | | |
| American National Bank of Hallowell | | 2 | | | |
| American National Bank of Lebanon | | 1 | | | |
| American National Bank of Louisville | | 1 | | | |
| American National Bank of Macon | | 1 | | | |
| American National Bank of McAlester | | 1 | | | |
| American National Bank of Oklahoma City | | 4 | | | |
| American National Bank of Paris | | 1 | | | |
| American National Bank of Philadelphia | | 1 | | | |
| American National Bank of Pomona | | 1 | | | |
| American National Bank of Richmond | | 2 | | | |
| American National Bank of San Diego | | 6 | | | |
| American National Bank of San Francisco | | 1 | | | |
| American National Bank of Shreveport | | 1 | | | |
| American National Bank of Spartanburg | | 1 | | | |
| American National Bank of St Paul | | 1 | | | |
| American National Bank of Waynesburg | | 8 | | | |
| American National Bank of Wetumka | | 1 | | | |
| American National Insurance Co | | 32 | | | |
| American Natural Gas Co | | 7 | | | |
| American Naval Stores Co | | 5 | | | |
| American Net and Twine Co | | 2 | | | |
| American Newspaper Publishers Association | | 2 | | | |
| American Nickel Co | | 6 | | | |
| American Numismatic Association | | 2 | | | |
| American Nut and Bolt Fastener Co | | 3 | | | |
| American Oak Leather Co | | 11 | | | |
| American Oil Development Co | | 4 | | | |
| American Olive Co | | 14 | | | |
| American Optical Co | | 7 | | | |
| American Outlook | | 2 | | | |
| American Oyster Co | | 2 | | | |
| American Palace Car Co | | 6 | | | |
| American Paper Tube Co | | 3 | | | |
| American Patent Law Association | | 12 | | | |
| American Peace Society | | 5 | | | |
| American Pegamoid Co | | 12 | | | |
| American Petroleum Co | | 23 | | | |
| American Pharmaceutical Association | | 8 | | | |
| American Pharmacists Association | | 38 | | |  |
| American Philatelist and Collector | | 1 | | | |
| American Phosphorus Co | | 3 | | | |
| American Photographic Publishing Co | | 1 | | | |
| American Phytopathological Society | | 7 | | | |
| American Piano Co | | 15 | | | |
| American Pig Iron Storage Warrant Co | | 12 | | | |
| American Planing Mill Co | | 2 | | | |
| American Pomological Society | | 22 | | | |
| American Post Office Equipment Co | | 3 | | | |
| American Potters Journal | | 1 | | | |
| American Powder Mills | | 3 | | | |
| American Practitioner and News | | 3 | | | |
| American Press Association | | 11 | | | |
| American Press Clipping Bureau | | 3 | | | |
| American Primary Teacher | | 2 | | | |
| American Product Co | | 9 | | | |
| American Promoting and Trustee Co | | 2 | | | |
| American Publishing Co | | 4 | | | |
| American Publishing House | | 3 | | | |
| American Pulp, Paper and Lumber Co | | 2 | | | |
| American Quarterly Register | | 2 | | | |
| American Railway | | 23 | | | |
| American Railway Advertising Co | | 2 | | | |
| American Railway Engineering Association | | 9 | | | |
| American Railway Publishing Co | | 1 | | | |
| American Real Estate Co | | 5 | | | |
| American Realty Co | | 2 | | | |
| American Reflector and Lighting Co | | 3 | | | |
| American Refrigerator Transit Co | | 3 | | | |
| American Restaurant Co | | 5 | | | |
| American Rhinological Association | | 4 | | | |
| American Rio Grande Land and Irrigation Co | | 10 | | | |
| American River Electric Co of California | | 5 | | | |
| American Rockcutter Co | | 4 | | | |
| American Roll Wrapping Paper Co | | 2 | | | |
| American Roller Bearing Co | | 3 | | | |
| American Rolling Mill Co | | 14 | | | |
| American Rolling Mill Corporation | | 5 | | | |
| American Rug and Carpet Manufacturing Co | | 3 | | | |
| American Salt Co | | 2 | | | |
| American Sash and Door Co | | 12 | | | |
| American Savings Bank of New York | | 19 | | | |
| American Savings Bank of Pontiac | | 1 | | | |
| American Saw and Knife Works | | 2 | | | |
| American School and College Journal | | 1 | | | |
| American School Board Journal | | 1 | | | |
| American School Furniture Co | | 18 | | | |
| American Seating Co | | 17 | | | |
| American Securities Co | | 3 | | | |
| American Security and Trust Co | | 12 | | | |
| American Seeding Machine Co | | 10 | | | |
| American Self-Playing Piano Co | | 7 | | | |
| American Semi-Weekly | | 1 | | | |
| American Sewage Disposal Co | | 7 | | | |
| American Sewer Pipe Co | | 13 | | | |
| American Shade Machine Co | | 3 | | | |
| American Sheep Breeder Co | | 4 | | | |
| American Sheet Iron Co | | 3 | | | |
| American Sheet Steel Co | | 20 | 1 | | |
| American Short Line Railroad Association | | 10 | | | |
| American Shot and Lead Co | | 10 | | | |
| American Slate Co | | 14 | | | |
| American Snuff Co | | 24 | | | |
| American Society for Testing and Materials | | 28 | | | |
| American Society of International Law | | 16 | | | |
| American Soda Fountain Co | | 18 | | | |
| American Spectator | | 2 | | | |
| American Spiral Spring Manufacturing Co | | 4 | | | |
| American Spring Water Supply Co | | 3 | | | |
| American Standard | | 2 | | | |
| American Star Antimony Co | | 4 | | | |
| American Star Mining Co | | 5 | | | |
| American Stationery Co | | 2 | | | |
| American Statistical Association | | 33 | | | |
| American Stave and Cooperage Co | | 3 | | | |
| American Steam Gauge and Valve Manufacturing Co | | 7 | | | |
| American Steam Packing Co | | 3 | | | |
| American Steam Press Print | | | | | |
| American Steam Pump Co | | 4 | | | |
| American Steamship Co | | 4 | | | |
| American Steel and Wire Co | | 41 | 1 | | |
| American Steel Co | | 4 | | | |
| American Steel Hoop Co | | 18 | | | |
| American Steel Pipe and Tank Co | | 3 | | | |
| American Steel Tool Co | | 3 | | | |
| American Stogie Co | | 15 | | | |
| American Stone Conduit Co | | 3 | | | |
| American Stove Board Co | | 6 | | | |
| American Stove Co | | 17 | | | |
| American Straw Board Co | | 16 | | | |
| American Street Lighting Co | | 6 | | | |
| American Sumatra Tobacco Co | | 13 | | | |
| American Supply Co | | 2 | | | |
| American Swedes Iron Co | | 3 | | | |
| American Tag Co | | 6 | | | |
| American Telegraph and Telephone Co of Pennsylvania | | 7 | | | |
| American Telephone and Telegraph Co of New York | | 9 | | | |
| American Telephone Co | | 4 | | | |
| American Terra Cotta and Ceramic Co | | 6 | | | |
| American Textile Appliances Co | | 3 | | | |
| American Thermos Bottle Co of Maine | | 13 | | | |
| American Thread Co | | 41 | | | |
| American Tile and Gravel Roofing Co | | 2 | | | |
| American Timber Holding Co | | 14 | | | |
| American Tin and Terne Plate Co | | 3 | | | |
| American Tin and Tungsten Co | | 4 | | | |
| American Tin Plate Co | | 20 | 1 | | |
| American Tomb Co | | 4 | | | |
| American Tool and Machine Co | | 6 | | | |
| American Tract Society | | 55 | | | |
| American Trading and Storage Co | | 3 | | | |
| American Trading Check Co | | 4 | | | |
| American Trust and Savings Bank of Birmingham | | 7 | | | |
| American Trust and Savings Bank of Jackson | | 1 | | | |
| American Trust and Savings Co | | 3 | | | |
| American Tube and Stamping Co | | 18 | | | |
| American Tube Co | | 3 | | | |
| American Tube Works | | 6 | | | |
| American Union Fish Co | | 6 | | | |
| American Union Telephone Co | | 11 | | | |
| American University Courier | | 1 | | | |
| American Urological Society | | 8 | | | |
| American Vanadium Co | | 10 | | | |
| American Varnish Co | | 5 | | | |
| American Vulcanized Fibre Co | | 5 | | | |
| American Wall Paper Co | | 3 | | | |
| American Waltham Watch Co | | 11 | | | |
| American Warehouse Co | | 6 | | | |
| American Watch and Jewelry Co | | 4 | | | |
| American Water Co | | 4 | | | |
| American Weekly Co | | 2 | | | |
| American West Indies Trading Co | | 5 | | | |
| American Whig Review | | 1 | | | |
| American Whitewashing Co | | 3 | | | |
| American Window Glass Machine Co | | 10 | | | |
| American Wire Fence Co | | 4 | | | |
| American Wood Fireproofing Co | | 7 | | | |
| American Wood Working Machinery Co | | 8 | | | |
| American Wool and Cotton Reporter | | 1 | | | |
| American Worsted Machinery Co | | 5 | | | |
| American Writing Machine Co | | 8 | | | |
| American X-Ray | | 2 | | | |
| American X-Ray Co | | 3 | | | |
| American Zinc Products Co | | 3 | | | |
| American-Abell Engine and Thresher Co | | 5 | | | |
| Americna Journal of Philology | | | | | |
| Americus Light and Power Co | | 3 | | | |
| Americus Railway and Light Co | | 4 | | | |
| Americus, Preston and Lumpkin Railroad | | 2 | | | |
| Ames and College Railway | | 3 | | | |
| Ames Sword Co | | 3 | | | |
| Amesbury and Salisbury Gas Light Co | | 2 | | | |
| Amesbury Electric Light Co | | 6 | | | |
| Amesbury Gas Co | | 3 | | | |
| Amesbury MA News | | 1 | | | |
| Ameuican Horse Breeder | | 1 | | | |
| Amherst and Belchertown Railroad | | 9 | | | |
| Amherst Furnace | | 3 | | | |
| Amherst Gas Co | | 10 | | | |
| Amherst VA New Era | | 1 | | | |
| Amherst Water Co | | 8 | | | |
| Amirikan | | 2 | | | |
| Ammonia Co of Philadelphia | | 5 | | | |
| Amoskeag National Bank of Manchester | | 1 | | | |
| Amparo Mining Co | | 16 | | | |
| Ampere Electro Chemical Co | | 3 | | | |
| Amprican News Co | | 12 | | | |
| Amraytoon Paper Tube Co | | 2 | | | |
| Amsterdam Electric Light, Heat and Power Co | | 4 | | | |
| Amsterdam Street Railroad | | 4 | | | |
| Amsterdam, Chuctanunda and Northern Railroad | | 3 | | | |
| Amy Mining and Development Co | | 5 | | | |
| Anaconda Gold Mining Co | | 11 | | | |
| Anacortes Water Co | | 5 | | | |
| Anacostia Bank of Washington | | 5 | | | |
| Anacostia Citizens Association | | 4 | | | |
| Anchor Laundry Co | | 9 | | | |
| Anchor Mining Co of Utah | | 3 | | | |
| Anchor Oil and Gas Co | | 5 | | | |
| Anchor Plastic Stone Co | | 5 | | | |
| Anchor Sanitary Co | | 4 | | | |
| Anchor Savings Bank of Pittsburgh | | 12 | | | |
| Anchorage Gold Mines Co | | 4 | | | |
| Anchoria Copper Mining Co | | 6 | | | |
| Ancient Forester | | 2 | | | |
| Ancient Order of United Workmen | | 14 | | | |
| Ancker-Baer-Frankel Hat Co | | 9 | | | |
| Andalusia Light and Water Co | | 4 | | | |
| Andersen Coal Mining Co | | 7 | | | |
| Anderson and Christie | | 6 | | | |
| Anderson Banking Co | | 2 | | | |
| Anderson Coaster Co | | 2 | | | |
| Anderson Coke, Gas, Power and Reduction Co | | 3 | | | |
| Anderson Cotton Mills | | 10 | | | |
| Anderson Furniture Co | | 6 | | | |
| Anderson Portrait and Frame Co | | 7 | | | |
| Anderson SC Journal | | 3 | | | |
| Anderson SC Peoples Advocate | | 1 | | | |
| Anderson Street Railway | | 3 | | | |
| Anderson Tea Co | | 3 | | | |
| Anderson Water, Light and Power Co | | 4 | | | |
| Anderson-Apache Copper Co | | 4 | | | |
| Anderson-Darragh Co | | 3 | | | |
| Andes Silver Mining Co | | 8 | | | |
| Andover MA Review | | 5 | | | |
| Andover MA Townsman | | 1 | | | |
| Andover National Bank | | 2 | | | |
| Andrada Mines | | 5 | | | |
| Andrew Jergens Co of Cincinnati | | 4 | | | |
| Andrew Kloman Steel and Iron Co | | 3 | | | |
| Andrew Mclean Co | | 6 | | | |
| Andrew S. Thomas Co | | 2 | | | |
| Andrews and Hitchcock Co | | 6 | | | |
| Andrews and Johnson Co | | 5 | | | |
| Andrews NC Sun | | 1 | | | |
| Andrews Real Estate Co | | 2 | | | |
| Andrews Steel Co | | 4 | | | |
| Andrews Talking Machine Co | | 4 | | | |
| Angel City Candy Co | | 6 | | | |
| Angeles Mesa Land Co | | 10 | | | |
| Angelica Mining and Development Co | | 6 | | | |
| Angelina and Neches River Railroad | | 4 | | | |
| Angelina Orchard Co | | 4 | | | |
| Angell Elevator Lock Co | | 2 | | | |
| Angelus Couch and Mattress Co | | 5 | | | |
| Angelus Dye Works | | 6 | | | |
| Angelus Heel and Rubber Co | | 5 | | | |
| Angelus Hotel | | 62 | | | |
| Angelus Paper Box Co | | 4 | | | |
| Angier Chemical Co | | 4 | | | |
| Angier Co | | 1 | | | |
| Anglo Range and Refrigerator Co | | 7 | | | |
| Anglo Saxon Smelting and Refining Co | | 4 | | | |
| Anglo South American Bank of New York | | 17 | | | |
| Anglo-American Copper Mining Co of Parry Sound | | 2 | | | |
| Anglo-American Electric Light Manufacturing Co | | 4 | | | |
| Anglo-American Gold Mining and Milling Co | | 6 | | | |
| Anglo-American Rapid Vehicle Co | | 4 | | | |
| Anglo-American Refrigerator Car Co | | 2 | | | |
| Anglo-American Telegraph Co | | 10 | | | |
| Anglo-French Ticapampa Silver Mining Co | | 11 | | | |
| Anglo-Greek Magnesite Co | | 5 | | | |
| Angola Dyeing Co | | 6 | | | |
| Angola Gas Co | | 5 | | | |
| Angola Lumber Co | | 7 | | | |
| Angueras Journal | | 2 | | | |
| Angus Brothers and Co | | 4 | | | |
| Anheuser-Busch Brewing Association | | 7 | | | |
| Anita Coal Mining Co | | 3 | | | |
| Anita Copper Mines Co | | 2 | | | |
| Anketell Lumber Co | | 2 | | | |
| Ann Arbor and Ypsilanti Electric Railroad | | 8 | | | |
| Ann Arbor and Ypsilanti Street Railroad | | 4 | | | |
| Ann Arbor Interurban Railroad | | 5 | | | |
| Ann Arbor MI Medical Advance | | 2 | | | |
| Ann Arbor Street Railroad | | 14 | | | |
| Ann Arbor Water Co | | 5 | | | |
| Ann Arbor, Ypsilanti and Detroit Railroad | | 3 | | | |
| Anna IL Democrat | | 2 | | | |
| Anna IL Talk | | 2 | | | |
| Annals of Gynecology | | 1 | | | |
| Annals of Gynecology and Pediatry | | 3 | | | |
| Annals of Hygiene | | 1 | | | |
| Annals of Math | | 4 | | | |
| Annals of Mathematics | | 4 | | | |
| Annals of Surgery | | 4 | | | |
| Annapolis Banking and Trust | | 5 | | | |
| Annapolis Gas and Electric Co | | 5 | | | |
| Annapolis Gas Light Co | | 3 | | | |
| Annapolis Water Co | | 6 | | | |
| Anne Arundel Advertiser | | 1 | | | |
| Anne Arundel Examiner | | 1 | | | |
| Annex Hotel Co | | 6 | | | |
| Annie Laurie Mining Co | | 4 | | | |
| Anniston and Atlantic Railroad | | 3 | | | |
| Anniston City Land Co | | 10 | | | |
| Anniston Electric and Gas Co | | 7 | | | |
| Anniston, Oxford and Oxanna Street Railway | | 4 | | | |
| Annual of the Universal Medical Sciences | | 2 | | | |
| Annuals of Ophthalmology | | 3 | | | |
| Ansco Co | | 10 | | | |
| Ansonia CT Evening Sentinel | | 1 | | | |
| Ansonia Electric co | | 1 | | | |
| Ansonia Water Co | | 7 | | | |
| Antelope Gold Mine | | 2 | | | |
| Antelope Spring Mining Co | | 7 | | | |
| Antelope Star Mining Co | | 7 | | | |
| Anthony and Scovill Co | | 8 | | | |
| Anthonys Photographic Bulletin | | 2 | | | |
| Anthracite Coal Co | | 4 | | | |
| Antietam Valley Record | | 1 | | | |
| Antimony and Silver Mines Co | | 4 | | | |
| Antimony Corporation Hidalgo | | 7 | | | |
| Antimony-Silver Mining Co | | 3 | | | |
| Antioak Leather Co | | 8 | | | |
| Antioch IL News | | 2 | | | |
| Antiquarian | | 3 | | | |
| Antrim Iron Co | | 7 | | | |
| Antrim NH Reporter | | 1 | | | |
| Anvil Hydraulic and Drainage Co | | 5 | | | |
| Aotman Pioneer Gold Mines | | 2 | | | |
| Apache Mining Co | | 5 | | | |
| Apalachicola Northern Railroad | | 6 | | | |
| Apex Copper Co | | 5 | | | |
| Apex Mining Co | | 4 | | | |
| Apex Standard Mining Co | | 5 | | | |
| Apfel Murdoch Co | | 2 | | | |
| Apollo | | 1 | | | |
| Apollo Consolidated Gold Mining Co | | 4 | | | |
| Apollo Steel Co | | 7 | | | |
| Apollo Trust Co | | 3 | | | |
| Apostolic Baptist | | 2 | | | |
| Appalachian Mountain Club | | 9 | | | |
| Appeal Manufacturing and Jobbing Co | | 8 | | | |
| Apperson Motor Car Co | | 5 | | | |
| Applebaugh-Jones Co | | 2 | | | |
| Appleton and Co | | 27 | | | |
| Appleton Electric Street Railway | | 3 | | | |
| Appleton Furnace Co | | 4 | | | |
| Appleton Gas Light Co | | 4 | | | |
| Appletons Annual Cyclopaedia | | 2 | | | |
| Apponaug Co | | 4 | | | |
| Apsley Rubber Co | | 4 | | | |
| Aqua Pura Co of Las Vegas | | 7 | | | |
| Aquidneck National Bank | | 10 | | | |
| Aquila Rich Paint and Color Co | | 2 | | | |
| Ara-Glen Co | | 4 | | | |
| Arabian Coffee Co | | 8 | | | |
| Aradium Copper Mining Co | | 2 | | | |
| Aramayo Francke Mines | | 9 | | | |
| Aramo Copper Mines | | 5 | | | |
| Arapahoe Electric Light and Power Co | | 4 | | | |
| Arapahoe Mining and Milling Co | | 4 | | | |
| Arapahoe OK Argus | | 3 | | | |
| Arbetarens Vaen | | 1 | | | |
| Arbuthnot-Stephenson Co | | 11 | | | |
| Arcade Barber Shop | | 3 | | | |
| Arcade Mercantile Co | | 2 | | | |
| Arcadia and Betsey River Railway | | 16 | | | |
| Arcadia Electric Light, Ice and Telephone Co | | 5 | | | |
| Arcadia OH Leader | | 1 | | | |
| Arcadia WI Leader | | 1 | | | |
| Arcadian | | 3 | | | |
| Arcadian Consolidated Mining Co | | 9 | | | |
| Arcadian Gazette | | 2 | | | |
| Arcane Mining Co | | 6 | | | |
| Arcata and Mad River Railroad | | 5 | | | |
| Archer Electrical Manufacturing Co | | 3 | | | |
| Archer Starch Co | | 3 | | | |
| Architectural Decorating Co | | 4 | | | |
| Architectural Review | | 2 | | | |
| Archives of Ophthalmology | | 2 | | | |
| Archives of Otology | | 1 | | | |
| Arcola IL Record-Herald | | 3 | | | |
| Arctic Fur and Cloak Co | | 2 | | | |
| Arcubell Gold Mine Co | | 3 | | | |
| Arden Building Material Co | | 7 | | | |
| Ardmore and Llanerch Street Railway | | 3 | | | |
| Ardmore Ice, Light and Power Co | | 8 | | | |
| Ardmore Lumber and Supply Co | | 4 | | | |
| Ardmore national Bank | | 1 | | | |
| Ardmore OK Chronicle | | 1 | | | |
| Ardmore PA Chronicle | | 1 | | | |
| Argenta IL Hustler | | 2 | | | |
| Argenta IL Register | | 2 | | | |
| Argenta Mines Co | | 3 | | | |
| Argenta Mining Co | | 5 | | | |
| Argentine Divide Mining Co | | 6 | | | |
| Argentum Mines | | 8 | | | |
| Argo Mines Co | | 5 | | | |
| Argo Mining and Tunnel Co of Canada | | 5 | | | |
| Argo Mining and Tunnel Co of Colorado | | 8 | | | |
| Argo Mining Drainage Transportation and Tunnel Co | | 4 | | | |
| Argo Reduction and Ore Purchasing Co | | 3 | | | |
| Argonaut Consolidated Mining Co | | 9 | | | |
| Argonaut Gold Mines | | 3 | | | |
| Argonaut Mining and Smelting Co | | 5 | | | |
| Argonaut Mining Co | | 7 | | | |
| Argonne Divide Mining Co | | 7 | | | |
| Argus and Patriot | | 1 | | | |
| Argus Copper and Gold Mining Co | | 4 | | | |
| Argus Search Light | | 1 | | | |
| Arickaree Expedition | | 3 | | | |
| Arid Copper Co | | 5 | | | |
| Arizona and Butte Copper Mining Co | | 3 | | | |
| Arizona and Michigan Mining Co | | 6 | | | |
| Arizona and New Mexico Railway | | 15 | | | |
| Arizona and Utah Railway | | 5 | | | |
| Arizona Binghamton Copper Co | | 4 | | | |
| Arizona Butler Mines Co | | 4 | | | |
| Arizona Cactilone Copper Co | | 4 | | | |
| Arizona California Mining Co | | 4 | | | |
| Arizona Chloride Mining Co | | 4 | | | |
| Arizona Commercial Copper Co | | 9 | | | |
| Arizona Commercial Mining Co | | 8 | | | |
| Arizona Consolidated Copper Mines | | 3 | | | |
| Arizona Consolidated Gold and Copper Co | | 6 | | | |
| Arizona Consolidated Mining Co | | 16 | | | |
| Arizona Copper Belt Mining Co | | 10 | | | |
| Arizona Copper Co | | 19 | | | |
| Arizona Copper Mining Co | | 9 | | | |
| Arizona Copper Queen Mining Co | | 7 | | | |
| Arizona Copper Shipping Mines Co | | 3 | | | |
| Arizona Copper Smelting Co | | 5 | | | |
| Arizona Cornelia Mines Co | | 4 | | | |
| Arizona Corporation Commission | | 3 | | | |
| Arizona Dixie Copper Co | | 3 | | | |
| Arizona Eastern Railroad | | 15 | | | |
| Arizona Empire Copper Mines Co | | 6 | | | |
| Arizona European Mining Co | | 4 | | | |
| Arizona Extension Silver Mines Co | | 4 | | | |
| Arizona Gold Star Mining Co | | 3 | | | |
| Arizona Hillside Development Co | | 3 | | | |
| Arizona McGinnis Copper Co | | 3 | | | |
| Arizona Merger Gold and Copper Co | | 6 | | | |
| Arizona Metals Co | | 7 | | | |
| Arizona Middlemarch Copper Co | | 10 | | | |
| Arizona Molybdenite Consolidated | | 8 | | | |
| Arizona Mossback Mines Co | | 8 | | | |
| Arizona National Copper Co | | 3 | | | |
| Arizona Ore Reduction Co | | 8 | | | |
| Arizona Power Co | | 9 | | | |
| Arizona Revenue Copper Co | | 6 | | | |
| Arizona Rex Mining Co | | 6 | | | |
| Arizona Sampling and Reduction Co | | 2 | | | |
| Arizona Silver Mine | | 2 | | | |
| Arizona Silver Mines Co | | 6 | | | |
| Arizona Smelting and Power Co | | 3 | | | |
| Arizona Standard Copper Co | | 5 | | | |
| Arizona Superior Mining Co | | 4 | | | |
| Arizona Syndicate Mining and Development Co | | 5 | | | |
| Arizona Tellurium Mines Co | | 4 | | | |
| Arizona Tom Reed Gold Mines Co | | 3 | | | |
| Arizona United Mining Co | | 14 | | | |
| Arizona Virginia Copper Co | | 4 | | | |
| Arizona Water Co | | 16 | | | |
| Arizona-Bagdad Copper Co | | 10 | | | |
| Arizona-Bonanza Mining Co | | 10 | | | |
| Arizona-Butte Co | | 7 | | | |
| Arizona-Butte Mines Co | | 2 | | | |
| Arizona-Eastern Mining Co | | 3 | | | |
| Arizona-Globe Copper Co | | 5 | | | |
| Arizona-Hancock Copper Co | | 8 | | | |
| Arizona-Morenci Copper Co | | 11 | | | |
| Arizona-Nevada Consolidated Goldfield Mining Co | | 1 | | | |
| Arizona-Southwestern Copper Co | | 9 | | | |
| Arizona-Tonopah Mining and Milling Co | | 5 | | | |
| Arizona-Tucson Copper Co | | 4 | | | |
| Arizpe Mining Co | | 4 | | | |
| Ark Mines Co | | 6 | | | |
| Arkansas and Arizona Copper Co | | 9 | | | |
| Arkansas and Choctaw Railway | | 9 | | | |
| Arkansas and Louisiana Railway | | 16 | | | |
| Arkansas and Territorial Oil and Gas Co | | 6 | | | |
| Arkansas Central Railroad | | 9 | | | |
| Arkansas Christian Advocate | | 3 | | | |
| Arkansas City AR Traveller | | 1 | | | |
| Arkansas City Gas and Electric Light Co | | 8 | | | |
| Arkansas Cotton Oil Co | | 3 | | | |
| Arkansas Evangelist | | 1 | | | |
| Arkansas Fuel Oil Co | | 6 | | | |
| Arkansas Gazette | | 3 | | | |
| Arkansas Meteor | | 2 | | | |
| Arkansas Methodist | | 2 | | | |
| Arkansas Midland Railroad | | 18 | | | |
| Arkansas Mining Co | | 5 | | | |
| Arkansas Natural Gas Co | | 8 | | | |
| Arkansas Pipe Lines Co | | 3 | | | |
| Arkansas Signal | | 2 | | | |
| Arkansas Southern Railroad | | 14 | | | |
| Arkansas Southwestern Railway | | 7 | | | |
| Arkansas Times | | 2 | | | |
| Arkansas Trust Co | | 2 | | | |
| Arkansas Valley Democrat | | 1 | | | |
| Arkansas Valley Gas Co | | 3 | | | |
| Arkansas Valley Pilot | | 2 | | | |
| Arkansas Western Railroad | | 6 | | | |
| Arkwright Miles | | 12 | | | |
| Arkwright Mills | | 10 | | | |
| Arlington Co | | 17 | | | |
| Arlington Cooperative Bank | | 1 | | | |
| Arlington Five Cents Savings Bank | | 2 | | | |
| Arlington IA News | | 1 | | | |
| Arlington Mining Co of Idaho | | 5 | | | |
| Arlington Mining Co of Montana | | 2 | | | |
| Arlington National Bank | | 1 | | | |
| Arlington NE News | | 1 | | | |
| Arlington Telephone Co | | 9 | | | |
| Armature Winding and Ferrofix Brazing Co | | 10 | | | |
| Armington IL Helper | | 1 | | | |
| Arminius Chemical Co | | 2 | | | |
| Armitage Clothing Co | | 5 | | | |
| Armour Car Lines | | 8 | | | |
| Armour Fertilizer Works | | 8 | | | |
| Armour Mining Co | | 2 | | | |
| Armour Packing Co | | 20 | | | |
| Arms Lake Railroad | | 5 | | | |
| Arms Palace Horse Car Co | | 6 | | | |
| Armstead Mines Incorporated | | 8 | | | |
| Armstrong and Lytle Co | | 3 | | | |
| Armstrong Brothers Tool Co | | 3 | | | |
| Armstrong Cork and Insulation Co | | 4 | | | |
| Armstrong Cork Co | | 18 | | | |
| Armstrong County Trust Co | | 11 | | | |
| Armstrong Democrat and Sentinel | | 2 | | | |
| Armstrong Electric Co | | 2 | | | |
| Armstrong Packing Co | | 135 | | | |
| Armstrong Transfer Express Co | | 4 | | | |
| Armstrong, Wolfe, Zimmerman Co | | 3 | | | |
| Army and Navy Magazine | | 1 | | | |
| Army and Navy Register | | 2 | | | |
| Arnold Arboretum | | 2 | | | |
| Arnold Brothers | | 3 | | | |
| Arnold Co | | 3 | | | |
| Arnold Electric Power Station Co | | 3 | | | |
| Arnold Hoffman and Co | | 7 | | | |
| Arnold Mining Co | | 7 | | | |
| Arnold Mining Co of Michigan | | 5 | | | |
| Arnold Mining Co of Nayarit | | 2 | | | |
| Arnold Real Estate Co | | 2 | | | |
| Arnold, Constable and Co | | 5 | | | |
| Arnold-Roberts Co | | 3 | | | |
| Arnott and Co | | 11 | | | |
| Aronson Realty Co | | 3 | | | |
| Aronson-Gale Co | | 13 | | | |
| Aroostook Pioneer | | 1 | | | |
| Aroostook Republican | | 1 | | | |
| Aroostook Times | | 1 | | | |
| Aroostook Valley Railroad | | 3 | | | |
| Arps Copper Co | | 5 | | | |
| Arrow Electric Co | | 1 | | | |
| Arrow Press Inc | | 1 | | | |
| Arrowhead Bottling Works | | 8 | | | |
| Arrowhead Mines Co | | 10 | | | |
| Arrowhead Mining Co | | 6 | | | |
| Arrowhead Reservoir and Power Co | | 5 | | | |
| Arrowsmith IL News | | 3 | | | |
| Arsenal Bank of Pittsburgh | | 10 | | | |
| Art Engraving and Printing Co | | 2 | | | |
| Art League Chronicle | | 2 | | | |
| Art Marble Co | | 5 | | | |
| Art Metal Construction Co | | 2 | | | |
| Art Wall Paper Mills | | 4 | | | |
| Artesian Stone and Lime Works Co | | 4 | | | |
| Artesian Water Co | | 4 | | | |
| Artesian Well and Supply Co | | 3 | | | |
| Arthur A. Everts Co | | 10 | | | |
| Arthur C. Harvey Co | | 3 | | | |
| Arthur D. Champlin Co | | 2 | | | |
| Arthur Dixon Transfer Co | | 3 | | | |
| Arthur Ernest Kidd and Son Co | | 3 | | | |
| Arthur Frantzen Co | | 3 | | | |
| Arthur Gourley Co | | 2 | | | |
| Arthur IL Graphic-Clarion | | 2 | | | |
| Arthur Von Senden Co | | 2 | | | |
| Arthur W. Kinney Co | | 6 | | | |
| Artificial Lumber Co of America | | 16 | | | |
| Arts Club of Washington | | 28 | | | |
| Asahel Wheeler Co | | 6 | | | |
| Asam Kumbang Tin Dredging | | 6 | | | |
| Asbestos and Magnesia Manufacturing Co | | 6 | | | |
| Asbestos Protected Metal Co | | 5 | | | |
| Asbestos Roof Paint Co | | 4 | | | |
| Asbury Park Gas Co | | 2 | | | |
| Asbury Park NJ Evening News | | 1 | | | |
| Asbury Park NJ Journal | | 1 | | | |
| Asbury Park NJ Press | | 1 | | | |
| Ash Bed Mining Co | | 9 | | | |
| Ash Creek Gold Mining and Milling Co | | 5 | | | |
| Ash Meadows Water Co | | 5 | | | |
| Ashaway Line and Twine Manufacturing Co | | 8 | | | |
| Ashaway National Bank | | 7 | | | |
| Ashboro NC Courier | | 1 | | | |
| Ashdown Gold Mining Co | | 1 | | | |
| Asheville Electric Co | | 6 | | | |
| Asheville NC Citizen | | 5 | | | |
| Asheville NC Gazette | | 1 | | | |
| Asheville NC Times | | 3 | | | |
| Asheville Street Railway | | 3 | | | |
| Ashkum IL Journal | | 2 | | | |
| Ashland and Catlettsburg Street Railway | | 3 | | | |
| Ashland and Wooster Railway | | 4 | | | |
| Ashland Coal and Iron Railway | | 12 | | | |
| Ashland Electric Power and Light Co | | 4 | | | |
| Ashland Emery and Corundum Co | | 9 | | | |
| Ashland Gas Light Co | | 3 | | | |
| Ashland IL Sentinel | | 1 | | | |
| Ashland Iron and Mining Co | | 11 | | | |
| Ashland Iron Co | | 3 | | | |
| Ashland Knitting Co | | 5 | | | |
| Ashland KY News | | 1 | | | |
| Ashland Lighting Co | | 4 | | | |
| Ashland National Bank | | 1 | | | |
| Ashland NE Gazette | | 1 | | | |
| Ashland NE News | | 1 | | | |
| Ashland NH Item | | 1 | | | |
| Ashland OH Gazette | | 2 | | | |
| Ashland OH Press | | 4 | | | |
| Ashland PA News | | 2 | | | |
| Ashland Street Railway | | 4 | | | |
| Ashland Water Co | | 6 | | | |
| Ashland WI News | | 1 | | | |
| Ashland, Siskiwit and Iron River Railway | | 7 | | | |
| Ashley IL Gazette | | 2 | | | |
| Ashley IN Times | | 1 | | | |
| Ashley OH Times | | 1 | | | |
| Ashtabula and New Lisbon Railroad | | 7 | | | |
| Ashtabula Gas Co | | 5 | | | |
| Ashtabula Gas Light Co | | 5 | | | |
| Ashtabula OH Record | | 2 | | | |
| Ashtabula, Youngstown and Pittsburgh Railway | | 3 | | | |
| Ashton IL Gazette | | 2 | | | |
| Ashton Valve Co | | 4 | | | |
| Ashuelot Railroad | | 3 | | | |
| Ashworth Bros | | 7 | | | |
| Asientos Mining Co | | 6 | | | |
| Aspen Grove Amalgamated Mines | | 4 | | | |
| Aspen Mining and Smelting Co | | 9 | | | |
| Asphalt Co of America | | 8 | | | |
| Asphaltum and Oil Refining Co | | 3 | | | |
| Aspinwall-Delafield Co | | 2 | | | |
| Asset Realization Co | | 16 | | | |
| Assets Realization Co | | 22 | | | |
| Associate Presbyterian Magazine | | 2 | | | |
| Associate Reformed Presbyterian | | 3 | | | |
| Associated Architects Printing and Supply Co | | 1 | | | |
| Associated Charities of Boston | | 3 | | | |
| Associated Editors | | 1 | | | |
| Associated Factory Mutual Fire Insurance Cos | | 32 | | | |
| Associated Gas and Electric Co | | 5 | 5 | | |
| Associated Gold Mines of Western Australia | | 3 | | | |
| Associated Goldfields Mining Co | | 2 | | | |
| Associated Mines Development Co | | 2 | | | |
| Associated Oil Co | | 17 | | | |
| Associated Producers Co | | 6 | | | |
| Associated Supply Co | | 5 | | | |
| Associated Wool Growers Co | | 2 | | | |
| Association of American Medical Colleges | | 8 | | | |
| Association of Military Surgeons | | 58 | | | |
| Association of Official Agricultural Chemists | | 28 | | | |
| Assurance Co of America | | 11 | | | |
| Astoria and Columbia River Railroad | | 13 | | | |
| Astoria Gas Light Co | | 4 | | | |
| Astoria IL Argus-Searchlight | | 2 | | | |
| Astoria Savings Bank | | 1 | | | |
| Astoria Silk Works | | 7 | | | |
| Astoria Street Railway | | 3 | | | |
| Astronomical and Astrophysical Society of America | | 1 | | | |
| Atascadero Copper Co | | 2 | | | |
| Atchison and Pikes Peak Railroad | | 12 | | | |
| Atchison and St Joseph Railroad | | 12 | | | |
| Atchison County MO Journal | | 2 | | | |
| Atchison Street Railway | | 4 | | | |
| Atco NJ Herald and Times | | 1 | | | |
| Atglen National Bank | | 1 | | | |
| Athena OR Press | | 2 | | | |
| Athens Electric Light and Power Co | | 3 | | | |
| Athens Gas Co | | 3 | | | |
| Athens Gas Light and Electric Co | | 5 | | | |
| Athens IL Free Press | | 3 | | | |
| Athens MI Times | | 2 | | | |
| Athens Mineral Land and Improvement Co | | 2 | | | |
| Athens National Bank | | 1 | | | |
| Athens NY News | | 2 | | | |
| Athens PA News | | 1 | | | |
| Athens Railway | | 3 | | | |
| Atherton Mills | | 97 | | | |
| Athletic Mining and Smelting Co | | 3 | | | |
| Athol Gas and Electric Co | | 7 | | | |
| Athol MA Cottager | | 1 | | | |
| Athol MA Our Church Record | | 1 | | | |
| Athol MA Progress | | 1 | | | |
| Atkinson Co | | 2 | | | |
| Atkinson IL News | | 1 | | | |
| Atlaittic Star-Gazette | | 1 | | | |
| Atlanta and Edge wood Street Railroad | | 4 | | | |
| Atlanta and La Grange Railroad | | 8 | | | |
| Atlanta and St Andrews Bay Railway | | 4 | | | |
| Atlanta Electric Light and Power Co | | 3 | | | |
| Atlanta GA Constitution | | 5 | | | |
| Atlanta GA Georgian | | 2 | | | |
| Atlanta GA Messenger | | 2 | | | |
| Atlanta Home Insurance Co | | 9 | | | |
| Atlanta IL Argus | | 2 | | | |
| Atlanta Journal | | 6 | | | |
| Atlanta Medical and Surgical Journal | | 3 | | | |
| Atlanta National Bank | | 13 | | | |
| Atlanta Northern Railway | | 5 | | | |
| Atlanta Telephone and Telegraph Co | | 15 | | | |
| Atlanta Water and Electric Power Co | | 5 | | | |
| Atlanta, Knoxville and Northern Railway | | 13 | | | |
| Atlanta-Home Gold Mining Co | | 4 | | | |
| Atlantic and Birmingham Railroad | | 13 | | | |
| Atlantic and Danville Railway | | 20 | | | |
| Atlantic and Lake Superior Railway | | 9 | | | |
| Atlantic and Pacific Steamship Co | | 3 | | | |
| Atlantic and Pacific Telegraph Co | | 6 | | | |
| Atlantic and Western Telephone Co | | 3 | | | |
| Atlantic Avenue Railroad | | 4 | | | |
| Atlantic Baptist | | 1 | | | |
| Atlantic Basin Iron Works | | 2 | | | |
| Atlantic Bitulithic Co | | 4 | | | |
| Atlantic Building Trust | | 2 | | | |
| Atlantic City and Ocean City Co | | 5 | | | |
| Atlantic City and Shore Railroad | | 8 | | | |
| Atlantic City Gas Co | | 2 | | | |
| Atlantic City NJ Brotherhood | | 1 | | | |
| Atlantic City NJ Evening Union | | 1 | | | |
| Atlantic City NJ News | | 1 | | | |
| Atlantic City NJ Press | | 1 | | | |
| Atlantic City NJ Public Record | | 1 | | | |
| Atlantic City NJ Union | | 1 | | | |
| Atlantic City Steel Pier Co | | 2 | | | |
| Atlantic Coast Guide | | 1 | | | |
| Atlantic Crushed Coke Co | | 5 | | | |
| Atlantic Deep Waterway Association | | 2 | | | |
| Atlantic Educational Journal | | 2 | | | |
| Atlantic Express Co | | 4 | | | |
| Atlantic Fruit and Steamship Co | | 19 | | | |
| Atlantic Gas Light Co | | 4 | | | |
| Atlantic Gulf and Pacific Co | | 5 | | | |
| Atlantic Highlands NJ Journal | | 1 | | | |
| Atlantic Journal | | 1 | | | |
| Atlantic Land Co | | 2 | | | |
| Atlantic Lumber Co | | 2 | | | |
| Atlantic Medical Weekly | | 1 | | | |
| Atlantic Mining Co of Michigan | | 6 | | | |
| Atlantic Monthly | | 5 | | | |
| Atlantic National Bank of Boston | | 10 | | | |
| Atlantic National Bank of Providence | | 4 | | | |
| Atlantic Real Estate Trust | | 2 | | | |
| Atlantic Review | | 1 | | | |
| Atlantic Safe Deposit Co | | 9 | | | |
| Atlantic System Southern Pacific Co | | 2 | | | |
| Atlantic Telephone Co | | 7 | | | |
| Atlantic Terra Cotta Co | | 14 | | | |
| Atlantic Trust Co | | 23 | | | |
| Atlantic Works | | 7 | | | |
| Atlas and Bee | | 1 | | | |
| Atlas and Evening Gazette | | 1 | | | |
| Atlas Brewing Co | | 4 | | | |
| Atlas Clothing Co | | 3 | | | |
| Atlas Coal Co | | 5 | | | |
| Atlas Electrotype Co | | 2 | | | |
| Atlas Engine Works | | 5 | | | |
| Atlas Engine Works of Indianapolis | | 4 | | | |
| Atlas Linen Co | | 2 | | | |
| Atlas Mantel and Tile Co | | 3 | | | |
| Atlas Milling Co | | 7 | | | |
| Atlas Mining and Milling Co | | 7 | | | |
| Atlas Mixed Mortar Co | | 4 | | | |
| Atlas Parlor Furniture Co | | 2 | | | |
| Atlas Powder Co | | 4 | | | |
| Atlas Railway Supply Co | | 2 | | | |
| Atlas Shoe Co | | 6 | | | |
| Atlas Transfer Co | | 4 | | | |
| Atlas Wall Paper Co | | 3 | | | |
| Atolia Mining Co | | 4 | | | |
| Attica IN Evening News | | 2 | | | |
| Attica OH Journal | | 2 | | | |
| Attica Water Co | | 2 | | | |
| Attleboro Gas Light Co | | 9 | | | |
| Attleboro MA Sun | | 1 | | | |
| Attleboro Steam and Electric Co | | 3 | | | |
| Attleboro, North Attleboro and Wrentham Street Railway | | 3 | | | |
| Attleborough Branch Railroad | | 3 | | | |
| Atwood and Steele Co | | 3 | | | |
| Atwood Crawford Co | | 2 | | | |
| Atwood IL Herald | | 4 | | | |
| Au Sable and Northwestern Railroad | | 35 | | | |
| Auburn and Lapeer Railroad | | 7 | | | |
| Auburn and Rochester Railroad | | 2 | | | |
| Auburn City Railway | | 4 | | | |
| Auburn Consolidated Gold Mining Co | | 5 | | | |
| Auburn Gas Co | | 8 | 1 | | |
| Auburn IL Citizen | | 1 | | | |
| Auburn IL Parker | | 1 | | | |
| Auburn IN Dispatch | | 2 | | | |
| Auburn NY Argus | | 1 | | | |
| Auburn Savings Bank | | 1 | | | |
| Auburn Telephone Co | | 9 | | | |
| Auburn WA Argus | | 1 | | | |
| Audebert Wall Paper Mill | | 3 | | | |
| Audit Co | | 3 | | | |
| Audit Co of Illinois | | 5 | | | |
| Audit Co of Pittsburgh | | 3 | | | |
| Auditorium Pharmacy Co | | 2 | | | |
| Audubon Machine Works | | 3 | | | |
| Auer Incandescent Light Manufacturing Co | | 8 | | | |
| Augauer Bitters Co | | 4 | | | |
| August Becker Engraving Co | | 3 | | | |
| August Belmont Hotel Co | | 5 | | | |
| August Hausske and Co | | 2 | | | |
| August Lenzen Wine Co | | 3 | | | |
| Augusta and Summerville Railroad | | 5 | | | |
| Augusta and Waynesboro Railroad | | 11 | | | |
| Augusta County VA Argus | | 1 | | | |
| Augusta Electric Co | | 4 | | | |
| Augusta IL Eagle | | 3 | | | |
| Augusta Metal Mining Co | | 7 | | | |
| Augusta Railway | | 4 | | | |
| Augusta Savings Bank | | 1 | | | |
| Augusta WI Eagle | | 1 | | | |
| Augusta WI Times | | 2 | | | |
| Auk Bay Mining and Development Co | | 2 | | | |
| Aurelia Crown Co | | 5 | | | |
| Aureola Mines Co | | 6 | | | |
| Aurora Advertiser | | 2 | | | |
| Aurora City Railway | | 4 | | | |
| Aurora Electric Co | | 3 | | | |
| Aurora Gas Light, Coal and Coke Co | | 2 | | | |
| Aurora IL Labor News | | 2 | | | |
| Aurora IL News | | 1 | | | |
| Aurora Light, Power and Refrigerating Co | | 6 | | | |
| Aurora Mining Co | | 4 | | | |
| Aurora MO News | | 1 | | | |
| Aurora National Bank | | 1 | | | |
| Aurora Silver Mines Co | | 6 | | | |
| Aurora, Elgin and Chicago Railroad | | 13 | | | |
| Ausable Horse Nail Co | | 5 | | | |
| Austin and Northwestern Railroad | | 7 | | | |
| Austin and Western Co | | 3 | | | |
| Austin City Railroad | | 3 | | | |
| Austin Dakota Development Co | | 9 | | | |
| Austin Fire Insurance Co | | 13 | | | |
| Austin Gas Light and Coal Co | | 3 | | | |
| Austin Gas Light Co | | 3 | | | |
| Austin Organ Co | | 5 | | | |
| Austin State Bank of Chicago | | 1 | | | |
| Austin, Bryant and Carter | | 5 | | | |
| Austin, Nichols and Co | | 9 | | | |
| Austin, Young and Co | | 2 | | | |
| Austin-Amazon Copper Co | | 6 | | | |
| Australia Proprietary Co | | 6 | | | |
| Auto Club of Southern California | | 9 | | | |
| Auto Exhibit and Supply Co | | 7 | | | |
| Auto Sheet Metal Works | | 9 | | | |
| Auto Supply and Wrecking Co | | 5 | | | |
| Auto Trading Co | | 3 | | | |
| Auto-Device Manufacturing Co | | 5 | | | |
| Auto-Electric Co | | 7 | | | |
| Automatic Battery Co | | 4 | | | |
| Automatic Electric Clock Co | | 2 | | | |
| Automatic Fire Alarm and Extinguisher Co | | 5 | | | |
| Automatic Fire Alarm Co | | 16 | | | |
| Automatic Machine and Tool Co | | 2 | | | |
| Automatic Rocking Machine Co | | 3 | | | |
| Automatic Smoke Preventer Co | | 6 | | | |
| Automatic Switch Co | | 10 | | | |
| Automatic Telephone Co of New Bedford | | 11 | | | |
| Automatic Vacuum Canning Co | | 2 | | | |
| Automobile Forecarriage Co | | 6 | | | |
| Automobile Patents Exploitation Co | | 6 | | | |
| Automobile Tire Co | | 4 | | | |
| Automotor Equipment Co | | 5 | | | |
| Ava IL Citizen | | 3 | | | |
| Avalon Bank | | 15 | | | |
| Avalon MO Aurora | | 2 | | | |
| Avant Wood and Coal Co | | 12 | | | |
| Avella Coal Co | | 3 | | | |
| Avenue State Bank of Oak Park | | 8 | | | |
| Avery Chemical Co | | 5 | | | |
| Avery Co | | 7 | | | |
| Avino Mines | | 6 | | | |
| Aviston Bank of Aviston | | 1 | | | |
| Avoca State Bank | | 1 | | | |
| Avon Electric Co | | 10 | | | |
| Avon IL Sentinel | | 2 | | | |
| Avon MA Advocate | | 1 | | | |
| Avon, Geneseo and Mount Morris Railroad | | 13 | | | |
| Avondale Sash and Door Co | | 2 | | | |
| Axelson Machine Co | | 7 | | | |
| Ayer and Lord Tie Co | | 3 | | | |
| Ayer Tanning Co | | 3 | | | |
| Ayres Bridges and Co | | 1 | | | |
| Ayres National Bank of Jacksonville | | 1 | | | |
| Azalia Mining Co | | 6 | | | |
| Aztec Consolidated Mining Co | | 5 | | | |
| Aztec Copper Co | | 7 | | | |
| Aztec Divide Mining Co | | 11 | | | |
| Aztec Gold and Copper Mining Co | | 10 | | | |
| Azure Mining Co | | 3 | | | |
| Azurite Copper Co | | 4 | | | |
| Azurite Mining Co | | 3 | | | |
| Azurite Mining Co of Nevada | | 6 | | | |
| Azurite Mining Co of Wyoming | | 2 | | | |
Our Family Tree
