| Most Recent Entries |
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| 1 | Others | MD, , Chesapeake and Ohio Canal |
| 2 | Others | MD, , Easton, Easton Gas and Electric Light Co |
| 7 | Others | MD, , State Board of Health |
| 1 | Others | MD, , Worlds Columbian Exposition, 1893 |
| 6 | Others | MD, Allegany Co, Cumberland, Cumberland Gas Light Co |
| 1 | Others | MD, Allegany Co, Cumberland, Mcgraw Coat, Co |
| 2 | Others | MD, Allegany Co, Cumberland, Worlds Columbian Exposition, 1893 |
| 3 | Others | MD, Allegany Co, Frostburg, Frostburg Gas Light Co |
| 1 | Others | MD, Allegany Co, Frostburg, Mcgraw Coat, Co |
| 1 | Others | MD, Allegany Co, Lonaconing, New Central Coal Co of Maryland |
| 1 | Others | MD, Allegany Co, Mt Savage, Worlds Columbian Exposition, 1893 |
| 2 | Others | MD, Anne Arundel Co, Annapolis, Annapolis Gas and Electric Co |
| 3 | Others | MD, Anne Arundel Co, Annapolis, Annapolis Gas Light Co |
| 2 | Others | MD, Anne Arundel Co, Annapolis, Annapolis Water Co |
| 1 | Others | MD, Anne Arundel Co, Annapolis, MWCR Marshfield Base Station |
| 1 | Others | MD, Anne Arundel Co, Annapolis, Naval Observatory |
| 20 | Others | MD, Anne Arundel Co, Annapolis, St Johns College |
| 1 | Others | MD, Baltimore City, A. E. Staley Manufacturing Co |
| 2 | Others | MD, Baltimore City, Alabama Ore and Iron Co |
| 7 | Others | MD, Baltimore City, American Bonding Co |
| 1 | Others | MD, Baltimore City, American Ice Securities Co |
| 1 | Others | MD, Baltimore City, American Investment Securities Co |
| 1 | Others | MD, Baltimore City, American Mail Steamship Co |
| 2 | Others | MD, Baltimore City, American Smelting and Refining Co |
| 1 | Others | MD, Baltimore City, American Street Lighting Co |
| 1 | Others | MD, Baltimore City, Annapolis Gas and Electric Co |
| 1 | Others | MD, Baltimore City, Arlington, Baltimore County Water and Electric Co |
| 3 | Others | MD, Baltimore City, Automatic Switch Co |
| 3 | Others | MD, Baltimore City, Baltimore and Yorktown Turnpike Road Co |
| 3 | Others | MD, Baltimore City, Baltimore Automatic Fire Alarm Co |
| 1 | Others | MD, Baltimore City, Baltimore Bridge Co |
| 2 | Others | MD, Baltimore City, Baltimore County Water and Electric Co |
| 4 | Others | MD, Baltimore City, Baltimore Dry Dock and Shipbuilding Co |
| 2 | Others | MD, Baltimore City, Baltimore Electric Co |
| 2 | Others | MD, Baltimore City, Baltimore Fidelity Warehouse Co |
| 3 | Others | MD, Baltimore City, Baltimore Medical College |
| 1 | Others | MD, Baltimore City, Baltimore Refrigerating and Heating Co |
| 2 | Others | MD, Baltimore City, Baltimore Shipbuilding and Dry Dock Co |
| 5 | Others | MD, Baltimore City, Baltimore Steam Packet Co |
| 2 | Others | MD, Baltimore City, Baltimore Steamship Co |
| 3 | Others | MD, Baltimore City, Baltimore Traction Co |
| 1 | Others | MD, Baltimore City, Baltimore Trust Co |
| 2 | Others | MD, Baltimore City, Baltimore University |
| 4 | Others | MD, Baltimore City, Baxter Electric Motor Co |
| 1 | Others | MD, Baltimore City, Belvedere Hotel Co of Baltimore |
| 1 | Others | MD, Baltimore City, Blue Jacket Mining Co |
| 7 | Others | MD, Baltimore City, Board of Health |
| 3 | Others | MD, Baltimore City, Boston Acme Mines Co |
| 1 | Others | MD, Baltimore City, Brandon Mills |
| 1 | Others | MD, Baltimore City, Bryant and Stratton Business College |
| 1 | Others | MD, Baltimore City, Bryn Mawr School |
| 1 | Others | MD, Baltimore City, Buckeye Steel Castings Co |
| 2 | Others | MD, Baltimore City, Canton Co |
| 1 | Others | MD, Baltimore City, Cape May Real Estate Co |
| 1 | Others | MD, Baltimore City, Central American Growers and Transportation Co |
| 1 | Others | MD, Baltimore City, Central Foundry Co |
| 1 | Others | MD, Baltimore City, Chapman and Smith Co |
| 1 | Others | MD, Baltimore City, Charity Organization Society |
| 1 | Others | MD, Baltimore City, Charleston Light and Water Co |
| 8 | Others | MD, Baltimore City, Chesapeake and Potomac Telephone Co |
| 1 | Others | MD, Baltimore City, Chesapeake Steamship Co |
| 1 | Others | MD, Baltimore City, Chicago Street Lighting Co |
| 1 | Others | MD, Baltimore City, Church Home and Infirmary |
| 1 | Others | MD, Baltimore City, City Gas Co of Norfolk |
| 1 | Others | MD, Baltimore City, City Hospital |
| 1 | Others | MD, Baltimore City, Clayton-Williams University |
| 6 | Others | MD, Baltimore City, College of Dental Surgery |
| 2 | Others | MD, Baltimore City, College of Medicine of Maryland |
| 2 | Others | MD, Baltimore City, College of Physicians and Surgeons |
| 2 | Others | MD, Baltimore City, Columbian Iron Works |
| 1 | Others | MD, Baltimore City, Compania Minera De Asientos |
| 2 | Others | MD, Baltimore City, Consolidated Cotton Duck Co |
| 5 | Others | MD, Baltimore City, Consolidated Gas Co of Baltimore |
| 1 | Others | MD, Baltimore City, Consolidation Coal Co |
| 1 | Others | MD, Baltimore City, Cumberland Valley Telephone Co |
| 1 | Others | MD, Baltimore City, Duquesne Light Co |
| 1 | Others | MD, Baltimore City, Eaton and Burnett Business College |
| 6 | Others | MD, Baltimore City, Electric Automatic Transit Co |
| 3 | Others | MD, Baltimore City, Electrical Construction and Manufacturing Co |
| 4 | Others | MD, Baltimore City, Electro-Automatic Transit Co |
| 1 | Others | MD, Baltimore City, Elizabeth City Electric Light and Power Co |
| 1 | Others | MD, Baltimore City, Epiphany Apostolic College |
| 1 | Others | MD, Baltimore City, Eye Ear and Throat Hospital |
| 12 | Others | MD, Baltimore City, Federated Charities |
| 1 | Others | MD, Baltimore City, Fidelity and Deposit Co |
| 1 | Others | MD, Baltimore City, Fort McHenry, American Library Association |
| 1 | Others | MD, Baltimore City, General Dispensary |
| 1 | Others | MD, Baltimore City, Good Samaritan Hospital |
| 1 | Others | MD, Baltimore City, Gottlieb-Bauernschmidt-Strauss Brewing Co |
| 1 | Others | MD, Baltimore City, Great Southern Lumber Co |
| 2 | Others | MD, Baltimore City, Hebrew Hospital |
| 6 | Others | MD, Baltimore City, John A. Barrett Battery Co |
| 8 | Others | MD, Baltimore City, Johns Hopkins Hospital |
| 13 | Others | MD, Baltimore City, Johns Hopkins University |
| 1 | Others | MD, Baltimore City, Lake Drummond Canal and Water Co |
| 1 | Others | MD, Baltimore City, lohn A. Griffith and Co |
| 3 | Others | MD, Baltimore City, Loyola College |
| 1 | Others | MD, Baltimore City, Maryland College of Pharmacy |
| 2 | Others | MD, Baltimore City, Maryland Dredging and Contracting Co |
| 2 | Others | MD, Baltimore City, Maryland General Hospital |
| 2 | Others | MD, Baltimore City, Maryland Securities Co |
| 2 | Others | MD, Baltimore City, Maryland Telephone Co |
| 1 | Others | MD, Baltimore City, McDonough School |
| 1 | Others | MD, Baltimore City, Merchants And Miners Transportation Co |
| 1 | Others | MD, Baltimore City, National Fire Insurance Co |
| 1 | Others | MD, Baltimore City, National Radium Institute |
| 2 | Others | MD, Baltimore City, National Water Co |
| 1 | Others | MD, Baltimore City, New York Shipbuilding Co |
| 1 | Others | MD, Baltimore City, Norfolk and Portsmouth Traction Co |
| 1 | Others | MD, Baltimore City, North American Construction Co |
| 1 | Others | MD, Baltimore City, Northern Coal and Coke Co |
| 1 | Others | MD, Baltimore City, Omaha Water Co |
| 1 | Others | MD, Baltimore City, Oskaloosa Water Co |
| 1 | Others | MD, Baltimore City, Platt Co |
| 1 | Others | MD, Baltimore City, Polytechnic Institute |
| 1 | Others | MD, Baltimore City, Pratt Consolidated Coal Co |
| 1 | Others | MD, Baltimore City, Presbyterian Eye Ear and Throat Hospital |
| 1 | Others | MD, Baltimore City, Presbyterian Eye, Ear and Throat Charity Hospital |
| 1 | Others | MD, Baltimore City, Public Service Commission |
| 2 | Others | MD, Baltimore City, Pullman Palace Car Co |
| 2 | Others | MD, Baltimore City, Security Cement and Lime Co |
| 1 | Others | MD, Baltimore City, Southern Pacific Railroad |
| 2 | Others | MD, Baltimore City, State Historical Society |
| 1 | Others | MD, Baltimore City, Strayers Business College |
| 1 | Others | MD, Baltimore City, Symington Co |
| 1 | Others | MD, Baltimore City, T. H. Symington Co |
| 1 | Others | MD, Baltimore City, Tash-Orn Mines |
| 1 | Others | MD, Baltimore City, Union Bag and Paper Co |
| 1 | Others | MD, Baltimore City, Union Protestant infirmary |
| 2 | Others | MD, Baltimore City, Union Shipbuilding Co |
| 1 | Others | MD, Baltimore City, United Electric Light and Power Co |
| 2 | Others | MD, Baltimore City, University Hospital |
| 46 | Others | MD, Baltimore City, University of Maryland |
| 1 | Others | MD, Baltimore City, US Bureau of Education |
| 11 | Others | MD, Baltimore City, US Navy Department |
| 3 | Others | MD, Baltimore City, US Shipping Board |
| 1 | Others | MD, Baltimore City, US Telegraph Co |
| 3 | Others | MD, Baltimore City, Viaduct Manufacturing Co |
| 3 | Others | MD, Baltimore City, Wenstrom Consolidated Dynamo and Motor Co |
| 1 | Others | MD, Baltimore City, West Virginia Pulp and Paper Co |
| 1 | Others | MD, Baltimore City, Wilson Distilling Co |
| 7 | Others | MD, Baltimore City, Womans Medical College |
| 19 | Others | MD, Baltimore City, Worlds Columbian Exposition, 1893 |
| 3 | Others | MD, Baltimore City Co, Woodberry, York Haven Water and Power Co |
| 1 | Others | MD, Baltimore Co, Catonsville, Sielings Sanitarium |
| 8 | Others | MD, Baltimore Co, Catonsville, Spring Grove State Hospital |
| 1 | Others | MD, Baltimore Co, Hamilton, Baltimore Dry Dock and Shipbuilding Co |
| 1 | Others | MD, Baltimore Co, Lutherville, Maryland College |
| 1 | Others | MD, Baltimore Co, McDonogh, McDonogh Institute |
| 1 | Others | MD, Baltimore Co, Overlea, Maryland School for the Blind |
| 1 | Others | MD, Baltimore Co, Pikesville, Borromeo College |
| 1 | Others | MD, Baltimore Co, Sparrows Point, Bethlehem Shipbuilding Co |
| 20 | Others | MD, Baltimore Co, Sparrows Point, Bethlehem Steel Co |
| 10 | Others | MD, Baltimore Co, Sparrows Point, Maryland Steel Co |
| 111 | Others | MD, Baltimore Co, Towson, Goucher College |
| 2 | Others | MD, Baltimore Co, Towson, Sheppard and Enoch Pratt Hospital |
| 2 | Others | MD, Carroll Co, New Windsor College |
| 1 | Others | MD, Carroll Co, New Windsor, Blue Ridge College |
| 3 | Others | MD, Carroll Co, Sykesville, Maryland Hospital for the Insane |
| 2 | Others | MD, Carroll Co, Westminster, Consolidated Public Utilities Co of Westminster |
| 1 | Others | MD, Carroll Co, Westminster, Theological Seminary |
| 2 | Others | MD, Carroll Co, Westminster, Western Maryland College |
| 3 | Others | MD, Carroll Co, Westminster, Westminster Gas Light Co |
| 3 | Others | MD, Cecil Co, Elkton, Elkton Gas Light Works |
| 2 | Others | MD, Cecil Co, Elkton, Worlds Columbian Exposition, 1893 |
| 3 | Others | MD, Cecil Co, Port Deposit, Jacob Tome Institute |
| 3 | Others | MD, Dorchester Co, Cambridge, Cambridge Gas Co |
| 4 | Others | MD, Dorchester Co, Cambridge, Eastern Shore Trust Co |
| 1 | Others | MD, Dorchester Co, Cambridge, United Charities Hospital |
| 3 | Others | MD, Frederick Co, Emmitsburg, Mt St Marys College |
| 1 | Others | MD, Frederick Co, Frederick, American Light and Heat Co of Frederick |
| 2 | Others | MD, Frederick Co, Frederick, Frederick Gas and Electric Co |
| 2 | Others | MD, Frederick Co, Frederick, Hood College |
| 1 | Others | MD, Frederick Co, Frederick, Maryland School for the Deaf |
| 2 | Others | MD, Frederick Co, Frederick, Richfield Copper Co |
| 1 | Others | MD, Frederick Co, Frederick, Worlds Columbian Exposition, 1893 |
| 1 | Others | MD, Frederick Co, Frederick, YMCA |
| 2 | Others | MD, Harford Co, Havre de Grace, Havre De Grace Electric Co |
| 2 | Others | MD, Harford Co, Havre de Grace, Worlds Columbian Exposition, 1893 |
| 1 | Others | MD, Howard Co, Ellicott City, Rock Hill College |
| 5 | Others | MD, Howard Co, Ellicott City, Washington Trust Co of Maryland |
| 1 | Others | MD, Howard Co, Woodstock, Woodstock College |
| 1 | Others | MD, Kent Co, Chestertown, Chestertown Electric Light and Power Co |
| 1 | Others | MD, Montgomery Co, Forest Glen, National Park Seminary |
| 1 | Others | Md, Montgomery Co, Poolesville, Briarley Hall Military Academy |
| 1 | Others | MD, Montgomery Co, Silver Spring, MWCR Summit House |
| 23 | Others | MD, Prince Georges Co, College Park, University of Maryland |
| 1 | Others | MD, Queen Annes Co, Centreville, Security Cement and Lime Co |
| 1 | Others | MD, Somerset Co, Princess Anne, Worlds Columbian Exposition, 1893 |
| 1 | Others | MD, Talbot Co, Easton, US Department of Agriculture |
| 2 | Others | MD, Washington Co, Hagerstown, American Light and Heat Co of Hagerstown |
| 1 | Others | MD, Washington Co, Hagerstown, Blue Ridge Knitting Co |
| 1 | Others | MD, Washington Co, Hagerstown, Burks Medicine Co |
| 2 | Others | MD, Washington Co, Hagerstown, Hagerstown Light and Heat Co |
| 1 | Others | MD, Washington Co, Hagerstown, Security Cement and Lime Co |
| 2 | Others | MD, Washington Co, Hagerstown, Washington County Water Co |
| 1 | Others | MD, Washington Co, Hagerstown, Worlds Columbian Exposition, 1893 |
| 1 | Others | MD, Wicomico Co, Salisbury, Beacom Business College |
| 1 | Others | MD, Wicomico Co, Salisbury, Worlds Columbian Exposition, 1893 |
| 1 | Others | MD, Worcester Co, Snow Hill, Worlds Columbian Exposition, 1893 |
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