| Organization | Links | Recs | Related | Infra | Image |
|---|
| T. Rowlands Sons | 1 | 4 | | | |
| Tacoma Daily News | 1 | | | | |
| Tacoma Railway and Power Co | 8 | 18 | 1 | | |
| Tacony Trust Co | 1 | 12 | | | |
| Tallman Volunteer Fire Department | 4 | | | | |
| Tamarack Mining Co | 8 | 15 | | | |
| Tammany Hall | 6 | | | | |
| Tampa Bay Buccaneers | 1 | | | | |
| Tampa Bay Rays | 1 | | | | |
| Tampa Electric Co | 9 | 22 | 1 | | |
| Taunton Branch Railroad | 1 | 8 | | | |
| Taunton-New Bedford Copper Co | 2 | 11 | | | |
| Tawas and Bay County Railroad | 1 | 14 | | | |
| Taylor Wharton Iron and Steel Co | 1 | 14 | | | |
| Tecumseh Copper Co | 1 | 4 | | | |
| Tecumseh Mills | 1 | 13 | | | |
| Tellico River Lumber Co | 1 | 4 | | | |
| Temple Iron Co | 1 | 16 | | | |
| Tennessee and Alabama Railroad | 2 | 27 | | | |
| Tennessee Central Railroad | 1 | 36 | | | |
| Tennessee Coal, Iron and Railroad Co | 1 | 61 | 1 | | |
| Tennessee Constitutional Convention | 5 | | | | |
| Tennessee Copper and Chemical Co | 2 | 14 | | | |
| Tennessee Copper Co | 3 | 25 | | | |
| Tennessee Valley Authority | 1 | | | | |
| Terminal Trust Co | 1 | 8 | | | |
| Terminal Warehouse Co | 2 | 12 | | | |
| Terminal Warehouse Co of Rhode Island | 1 | 7 | | | |
| Terminal Warehouse Col | 1 | 10 | | | |
| Terre Haute and Alton Railroad | 5 | 21 | | | |
| Terre Haute and Indianapolis Railroad | 2 | 54 | | | |
| Terre Haute and Peoria Railroad | 1 | 11 | 1 | | |
| Terre Haute and Richmond Railroad | 1 | 24 | | | |
| Terre Haute Electric Co | 1 | 1 | | | |
| Terre Haute Traction and Light Co | 4 | 6 | | | |
| Territorial Secretary | 1 | | | | |
| Texarkana Water Co | 3 | 7 | 1 | | |
| Texas and New Orleans Railroad | 6 | 68 | | | |
| Texas and Pacific Coal Co | 2 | 13 | | | |
| Texas and Pacific Railway | 20 | 677 | 1 | |  |
| Texas and St Louis Railway | 1 | 32 | | | |
| Texas Central Railroad | 1 | 27 | | | |
| Texas Declaration of Independence | 1 | | | | |
| Texas Electric Railway | 1 | | | | |
| Texas Harvester Co | 1 | 19 | | |  |
| Texas Mexican Railway | 1 | 18 | | | |
| Texas Paper Co | 1 | 46 | | |  |
| Texas Rangers | 9 | | | | |
| Texas State Constitutional Convention | 5 | | | | |
| Texas Traction Co | 1 | 27 | | | |
| Texas Transfer and Warehouse Co | 1 | 21 | | |  |
| Texas Western Railroad | 1 | 5 | | | |
| Texas Womens Hall of Fame | 4 | | | | |
| Thames National Bank of Norwich | 2 | 15 | | | |
| Thanks of Congress | 6 | | | | |
| The American Car/Foundry | 1 | | | | |
| The Detroit News | 1 | | | | |
| The Emancipator | 1 | | | | |
| The Farmers Museum | 1 | | | | |
| The Kingston Club | 20 | | | | |
| The Liberator | 2 | | | | |
| The Natiional Era | 1 | | | | |
| The Nation | 2 | | | | |
| The New Haven Gazette | 1 | | | | |
| The New Republic | 3 | | | | |
| The Northwestern Mutual Life Insurance Co | 1 | | | | |
| The Recorder Printing Co | 1 | | | | |
| The South | 1 | | | | |
| Theodore Starr Savings Bank of Philadelphia | 1 | 15 | | | |
| Theosophical Society | 1 | 4 | | | |
| Therapeutic Gazette | 1 | 3 | | | |
| Theta Nu Epsilon | 1 | | | | |
| Theta Xi | 1 | | | | |
| Third Assistant Secretary of State | 1 | | | | |
| Third National Bank of Chestertown | 1 | 3 | | | |
| Third National Bank of Philadelphia | 2 | 16 | | | |
| Thomas Colliery Co | 2 | 4 | | | |
| Thomas Hollis Drug Co | 1 | 1 | | | |
| Thomas Iron Co | 1 | 19 | | | |
| Thompson Divide Mining Co | 2 | 5 | | | |
| Thompson-Starrett Co | 2 | 29 | | | |
| Thomson-Houston Electric Co | 1 | 85 | 2 | |  |
| Thorndike Co | 1 | 13 | | | |
| Tichnor Brothers | 2 | | | |  |
| Tide-Water Pipe Co | 1 | 11 | | | |
| Tidewater Oil Co | 1 | 12 | | | |
| Tiffany and Co | 2 | 12 | | | |
| Tiffany Furnaces | 1 | 8 | | | |
| Tiffany Studios | 3 | 9 | | | |
| Tilden-Thurber Co | 1 | 6 | | | |
| Time Magazine Cover | 32 | | | | |
| Tinguaro Sugar Co | 2 | 9 | 1 | | |
| Tintic Drain Tunnel Co | 1 | 9 | | | |
| Tintic Milling Co | 1 | 4 | | | |
| Tioga Railroad | 3 | 25 | | | |
| Title and Trust Co of Western Pennsylvania | 1 | 6 | | | |
| Title Guarantee and Trust Co | 7 | 130 | | | |
| Title Guarantee Co of Rhode Island | 2 | 10 | | | |
| Toastmasters | 2 | | | | |
| Tobacco Products Co | 3 | 13 | | | |
| Toland Brothers and Co | 1 | 3 | | | |
| Toledo and Ann Arbor Railroad | 3 | 17 | | | |
| Toledo and Cadillac Railroad | 2 | 9 | | | |
| Toledo and Illinois Railroad | 1 | 18 | | | |
| Toledo and Milwaukee Railroad | 2 | 6 | | | |
| Toledo and Monroe Railroad | 1 | 11 | | | |
| Toledo and Ohio Central Railway | 4 | 68 | | | |
| Toledo and Saginaw Bay Railroad | 2 | 7 | | | |
| Toledo and Wabash Railroad | 1 | 2 | | | |
| Toledo and Western Railroad | 1 | 44 | | | |
| Toledo Belt Railroad | 1 | 2 | | | |
| Toledo OH Times | 1 | 9 | | | |
| Toledo Terminal Railway | 1 | 15 | | | |
| Toledo, Ann Arbor and Cadillac Railroad | 1 | 8 | | | |
| Toledo, Ann Arbor and Grand Trunk Railroad | 5 | 29 | | | |
| Toledo, Ann Arbor and Lake Michigan Railroad | 1 | 8 | | | |
| Toledo, Ann Arbor and Mackinaw Railroad | 1 | 7 | | | |
| Toledo, Ann Arbor and North Michigan Railway | 5 | 66 | | | |
| Toledo, Ann Arbor and Northeastern Railroad | 2 | 7 | | | |
| Toledo, Ann Arbor and Northern Railroad | 1 | 18 | | | |
| Toledo, Canada Southern and Detroit Railroad | 21 | 49 | | |  |
| Toledo, Columbus and Ohio River Railroad | 3 | 6 | 1 | | |
| Toledo, Delphos and Burlington Railroad | 1 | 21 | | | |
| Toledo, Marshall and Northern Railroad | 1 | 5 | | | |
| Toledo, Peoria and Warsaw Railroad | 2 | 49 | | | |
| Toledo, Saginaw and Mackinaw Railroad | 3 | 8 | | | |
| Toledo, Saginaw and Muskegon Railroad | 11 | 36 | 1 | | |
| Toledo, St Louis and Kansas City Railroad | 2 | 42 | | | |
| Toledo, St Louis and Western Railroad | 3 | 78 | 1 | | |
| Toledo, Wabash and Western Railroad | 6 | 60 | | | |
| Toledo, Walhonding Valley and Ohio Railroad | 1 | 10 | | | |
| Tombstone Consolidated Mines Co | 1 | 7 | 1 | | |
| Tonopah Belmont Development Co | 1 | 20 | 1 | | |
| Tonopah Divide Mining Co | 2 | 9 | | | |
| Tonopah Extension Mining Co | 1 | 10 | | | |
| Tonopah Midway Mining Co | 1 | 7 | | | |
| Topia Mining Co | 1 | 2 | | | |
| Toronto and Niagara Power Co | 1 | 10 | 1 | | |
| Toronto Blue Jays | 5 | | | | |
| Toronto Power Co | 1 | 6 | | | |
| Toronto Raptors | 1 | | | | |
| Toronto, Hamilton and Buffalo Railway | 2 | 22 | 1 | | |
| Torrey Botanical Club | 3 | 52 | | | |
| Torrington Co | 2 | 8 | | | |
| Tougaloo College | 1 | | | | |
| Town Board | 1 | | | | |
| Towns Supervisor | 2 | | | | |
| Traction and Power Securities Co | 1 | 6 | | | |
| Trade Dollar Consolidated Mining Co | 1 | 9 | | | |
| Traders Insurance Co | 1 | 11 | | | |
| Traders National Bank of Washington | 2 | 14 | | |  |
| Traders Wharf and Warehouse Co | 1 | 4 | | | |
| Trades League of Philadelphia | 4 | 40 | | | |
| Trained Motherhood | 1 | 1 | | | |
| Trans-St Marys Traction Railroad | 3 | 28 | | | |
| Transatlantic Trust Co | 2 | 18 | | | |
| Transit Development Co | 3 | 8 | 1 | | |
| Travelers Insurance Co | 2 | 84 | | |  |
| Traverse City Railroad | 1 | 24 | 1 | | |
| Traverse City, Leelanau and Manistique Railroad | 2 | 16 | 1 | | |
| Treadwell Divide Mining Co | 2 | 7 | | | |
| Treasurer of the Household | 9 | | | | |
| Treaty of Fort Finney | 1 | | | | |
| Treaty of Fort McIntosh | 2 | | | | |
| Treaty of Ghent | 5 | | | | |
| Treaty of Guadalupe Hidalgo | 1 | | | | |
| Treaty of Versailles | 1 | | | | |
| Tredegar Co | 3 | 7 | | | |
| Tremont and Suffolk Mills | 1 | 12 | | | |
| Tremont Coal Co | 1 | 9 | | | |
| Trenton Iron Co | 1 | 9 | | | |
| Tri-Christian Layman Association | 1 | | | | |
| Tri-Cities Water Co | 3 | 5 | | | |
| Trimountain Mining Co | 1 | 16 | 1 | | |
| Tropical Fruit Steamship Co | 2 | 3 | | | |
| Troy and Bennington Railroad | 1 | 16 | | | |
| Troy and Boston Railroad | 1 | 34 | | | |
| Troy and Greenbush Railroad | 1 | 24 | | | |
| Troy and Greenfield Railroad | 1 | 17 | | | |
| Troy NY Gas Co | 2 | 13 | | | |
| Troy Trojans | 1 | 44 | | | |
| Troy Union Railroad | 1 | 20 | | | |
| Trump Management Co | 4 | | | | |
| Trust Co of America | 1 | 29 | | | |
| Trust Co of New York | 1 | 26 | | | |
| Trust Co of North America | 7 | 26 | | |  |
| Tucson, Globe and Northern Railroad | 1 | 3 | | | |
| Tuesday Music Club | 1 | | | | |
| Tuolumne Copper Mining Co | 1 | 9 | | | |
| Turbo Power | 1 | | | | |
| Turner Fricke Manufacturing Co | 1 | 4 | | | |
| Tuscarawas Traction Co | 1 | 4 | | | |
| Twentieth Century Fox | 1 | | | | |
| Twin City General Electric Co | 1 | 6 | | | |
| Twin City General Electric Railway | 1 | 4 | | | |
| Twin City Rapid Transit Co | 1 | 17 | | | |
| Twin Falls North Side Land and Water Co | 1 | 4 | | | |
| Tylerdale Connecting Valley Railroad | 1 | 4 | | | |
| T. B. Laycock Manufacturing Co | | 7 | | | |
| T. B. Rice and Sons Co | | 2 | | | |
| T. D. Gardner Co | | 4 | | | |
| T. E. Bennett Co | | 4 | | | |
| T. H. Davis and Co | | | | | |
| T. H. Nevin Co | | 5 | | | |
| T. H. Symington Co | | 3 | | | |
| T. H. Wheeler Co | | 5 | | | |
| T. Martin and Bro. Manufacturing Co | | 4 | | | |
| T. Nicholson and Sons Co | | 3 | | | |
| T. O. Anderson | | | | | |
| T. R. Marvin and Son | | | | | |
| T. W. Phillips Gas and Oil Co | | 2 | | | |
| T. W. Waterman Co | | 2 | | | |
| T. W. Wilworth Co | | 2 | | | |
| T. Wharf Fish Market Co | | 6 | | | |
| T. Wilee Co | | 3 | | | |
| Tabasco Plantation Co | | 17 | | | |
| Taber Manufacturing Co | | 5 | | | |
| Table Grove IL Herald | | 2 | | | |
| Table Rock Mining Co | | 5 | | | |
| Tablet and Ticket Co | | 3 | | | |
| Tabor and Northern Railway | | 10 | | | |
| Tacoma Light and Water Co | | 3 | | | |
| Tacoma News | | 1 | | | |
| Tacoma Railway and Motor Co | | 4 | | | |
| Tacoma Safety Deposit Co | | 2 | | | |
| Tacoma Smelter | | 2 | 1 | | |
| Tacoma Steel Co | | 4 | | | |
| Tacopaco Mining, Milling and Development Co | | 4 | | | |
| Taft Realty Co | | 5 | | | |
| Taggarts Times | | 2 | | | |
| Takamine Ferment Co | | 9 | | | |
| Takoma Park Citizens Association | | 26 | | | |
| Talbot Bank of Easton | | 4 | | | |
| Talbot Co | | 6 | | | |
| Talbot Manufacturing Co | | 6 | | | |
| Talbot Times | | 1 | | | |
| Talbotton Railroad | | 6 | | | |
| Talisman Consolidated | | 2 | | | |
| Talisman Consolidated Mining Co | | 7 | | | |
| Talkeetna Mining Co | | 5 | | | |
| Talladega Gas Light and Water Co | | 4 | | | |
| Tallahassee Gas and Electric Light Co | | 2 | | | |
| Tallapoosa GA Inquirer | | 2 | | | |
| Tallassee and Montgomery Railway | | 5 | | | |
| Tallula IL Standard | | 2 | | | |
| Tallulah Falls GA Spray | | 2 | | | |
| Tallulah Falls Railway | | 3 | | | |
| Talmage NE Tribune | | 2 | | | |
| Tama IA County News | | 2 | | | |
| Tamarack and Custer Consolidated Mining Co | | 7 | | | |
| Tamaroa IL Times | | 1 | | | |
| Tamco Mailing Co | | 2 | | | |
| Tampa Gas Co | | 4 | | | |
| Tampa State Bank | | 1 | | | |
| Tampa Street Railway | | 3 | | | |
| Tampico IL Tornado | | 2 | | | |
| Tanalyk Co | | 8 | | | |
| Tanganyika Concessions | | 13 | | | |
| Tank Pass Consolidated Mining Co | | 2 | | | |
| Tank Shipbuilding Co | | 4 | | | |
| Tanki Service Bureau | | 2 | | | |
| Tanners Mutual Fire Insurance Co of Pennsylvania | | 3 | | | |
| Tanners National Bank of Catskill | | 1 | | | |
| Tapistry Paint Co | | 3 | | | |
| Taplin Manufacturing Co | | 1 | | | |
| Tar Baby Mining Co | | 6 | | | |
| Tar-Oid Co | | 4 | | | |
| Tarboro NC It | | 1 | | | |
| Tarbox Mining Co | | 6 | | | |
| Tarentum Glass Co | | 4 | | | |
| Tarentum Paper Mills | | 3 | | | |
| Tarentum Savings and Trust Co | | 10 | | | |
| Tarheel Knight | | 1 | | | |
| Tarheel Poultryman | | 2 | | | |
| Tarrant Foundry Co | | 3 | | | |
| Tarrytown and Irvington Union Gas Light Co | | 4 | | | |
| Tash-Orn Mines | | 4 | | | |
| Tasmania Copper Co | | 7 | | | |
| Tate, Jones and Co | | 5 | | | |
| Tattnall Journal | | 2 | | | |
| Taunton Gas Light Co | | 8 | | | |
| Taunton MA Evening Herald | | 2 | | | |
| Taunton MA Gazette | | 1 | | | |
| Taunton MA News | | 1 | | | |
| Taunton Savings Bank | | 1 | | | |
| Taunton Street Railway | | 3 | | | |
| Tavares and Gulf Railroad | | 13 | | | |
| Tavares Orlando and Atlantic Railroad | | 3 | | | |
| Tax Abstract Co of Chicago | | 3 | | | |
| Taxameter Carriage Co | | 3 | 1 | | |
| Taxi Co of San Francisco | | 5 | | | |
| Taylor County Bank of Clearfield | | 1 | | | |
| Taylor County IA Farm Journal | | 3 | | | |
| Taylor Iron and Steel Co | | 13 | | | |
| Taylor Milling Co | | 12 | | | |
| Taylor Mining Co | | 8 | | | |
| Taylor Mountain Mining Co | | 2 | | | |
| Taylor Signal Co | | 13 | | | |
| Taylor-Wilson Manufacturing Co | | 4 | | | |
| Taylors Falls MN Journal | | 2 | | | |
| Taylors Home Journal | | 1 | | | |
| Taylorville Gas and Electric Co | | 4 | 1 | | |
| Taylorville IL Breeze-Courier | | 4 | | | |
| Taylorville IL Daily Courier | | 1 | | | |
| Tazewell County IL Reporter | | 3 | | | |
| Teacup Mining Co | | 4 | | | |
| Teagle Co | | 3 | | | |
| Tebo Yacht Basin Co | | 3 | | | |
| Technical Publishing Co | | 1 | | | |
| Teck-Hughes Gold Mines | | 7 | | | |
| Tecopa Consolidated Mining Co | | 3 | | | |
| Tecumseh Iron Co | | 4 | | | |
| Tecumseh National Bank | | 1 | | | |
| Teeple and Smith | | | | | |
| Tefft-Weller Co | | 7 | | | |
| Tehauntepec Rubber and Commercial Co | | 2 | | | |
| Telegraph Hill Railroad | | 3 | | | |
| Telegraphers Herald | | 1 | | | |
| Telephone Girl Divide Mining Co | | 5 | | | |
| Telephone Messenger | | 1 | | | |
| Tellico Railway | | 3 | | | |
| Telluride Mining, Milling and Development Co | | 5 | | | |
| Telluride Power Co | | 5 | | | |
| Temescal Water Co | | 9 | | | |
| Temiscouata Railway | | 7 | | | |
| Temiskaming and Hudson Bay Mining Co | | 14 | | | |
| Temiskaming and Northern Ontario Railway | | 5 | | | |
| Temiskaming Mining Co | | 11 | | | |
| Temperance Herald | | 1 | | | |
| Temperance Sentiment | | 1 | | | |
| Temperance Tribune | | 1 | | | |
| Temple of Music | | | | | |
| Temple Pump Co | | 3 | | | |
| Temple Safety Deposit Vaults Co | | 3 | | | |
| Temple Street Cable Railway | | 3 | | | |
| Temple TX Mirrok | | 2 | | | |
| Temple TX Tribune | | 2 | | | |
| Templeton Lime Co | | 3 | | | |
| Templeton MA Recorder | | 1 | | | |
| Templeton Press | | 1 | | | |
| Templeton, Kenly and Co | | 5 | | | |
| Temporary Home For Children | | 47 | | | |
| Tenafly NJ Record | | 1 | | | |
| Tenas Mining Co | | 6 | | | |
| Tenderfoot Hill Consolidated Mining Co | | 6 | | | |
| Tenement House Building Co | | 2 | | | |
| Tengwall File and Ledger Co | | 5 | | | |
| Tenison Brothers Saddlery Co | | 104 | | | |
| Tennessee and Cumberland River Railroad | | 6 | | | |
| Tennessee and North Carolina Railroad | | 6 | | | |
| Tennessee Gazette | | 2 | | | |
| Tennessee Mining and Milling Co | | 6 | | | |
| Tennessee Northern Railway | | 9 | | | |
| Tennessee Water Co | | 2 | | | |
| Tennessee, Alabama and Georgia Railroad | | 5 | | | |
| Tennis Co | | 2 | | | |
| Tenth National Bank of Philadelphia | | 17 | | | |
| Tepee Minings Development Co | | 6 | | | |
| Terheyden Co | | 3 | | | |
| Terhune and Van Angelen Press | | | | | |
| Terhune Lumber Co | | 3 | | | |
| Terminal Bank of Babylon | | 1 | | | |
| Terminal Hotel Trust | | 3 | | | |
| Terminal Railroad Association of St Louis | | 42 | | 🚂 | |
| Terminal Wharf and Railroad Warehouse Co | | 3 | | | |
| Terra Nova Properties | | 2 | | | |
| Terre Haute and Logansport Railroad | | 6 | | | |
| Terre Haute and Southeastern Railroad | | 4 | | | |
| Terre Haute Car and Manufacturing Co | | 3 | 1 | | |
| Terre Haute Gas Light Co | | 4 | | | |
| Terre Haute IN Evening Gazette | | 3 | | | |
| Terre Haute Iron and Nail Works | | 2 | | | |
| Terre Haute National Bank | | 1 | | | |
| Terre Haute Street Railway | | 5 | | | |
| Terre Haute Water Works Co | | 11 | | | |
| Terre Haute, Alton and St Louis Railroad | | 2 | | | |
| Terrell Machine Co | | 6 | | | |
| Territorial News | | 2 | | | |
| Teter-Stone Azurite Mining Co | | 3 | | | |
| Teutonia Fire Insurance Co | | 12 | | | |
| Teutopolis IL Press | | 2 | | | |
| Texan Mining Co | | 2 | | | |
| Texarkana and Fort Smith Railway | | 12 | | | |
| Texarkana Gas and Electric Co | | 12 | | | |
| Texarkana Gas and Electric Light Co | | 3 | | | |
| Texarkana Street Railway | | 4 | | | |
| Texarkana Telephone Co | | 7 | | | |
| Texas Academy of Sciences | | 16 | | | |
| Texas American Oil Co | | 4 | | | |
| Texas and Pacific Quarterly | | 1 | | | |
| Texas and Pacific Telephone Co | | 4 | | | |
| Texas Bank and Trust Co | | 1 | | | |
| Texas Baptist Herald | | 1 | | | |
| Texas Bitulithic Co | | 8 | | | |
| Texas Butchers Supply Co | | 5 | | | |
| Texas Canyon Mining and Milling Co | | 4 | | | |
| Texas Chicle Co | | 7 | | | |
| Texas Christian Advocate | | 2 | | | |
| Texas City Terminal Railway | | 6 | | | |
| Texas City Transportation Co | | 6 | | | |
| Texas Co | | 61 | | | |
| Texas Copper and Refining Co | | 3 | | | |
| Texas Cotton Com Co | | 5 | | | |
| Texas Courier-Record of Medicine | | 3 | | | |
| Texas Dental Journal | | 2 | | | |
| Texas Drug Co | | 27 | | | |
| Texas Dry Goods Co | | 25 | | | |
| Texas Express Co | | 2 | | | |
| Texas Farm Mortgage Co | | 3 | | | |
| Texas Furniture Co | | 11 | | | |
| Texas Glass and Paint Co | | 23 | | | |
| Texas Gulf Sulphur Co | | 10 | | | |
| Texas Health Journal | | 1 | | | |
| Texas Implement and Machine Co | | 6 | | | |
| Texas Land and Mortgage Co | | 3 | | | |
| Texas Library Association | | 5 | | | |
| Texas Lighting Co | | 4 | | | |
| Texas Loan Co | | 3 | | | |
| Texas Machinery and Supply Co | | 14 | | | |
| Texas Medical Journal | | 2 | | | |
| Texas Medical News | | 3 | | | |
| Texas Midland Railroad | | 19 | | | |
| Texas Moline Plow Co | | 14 | | | |
| Texas Neckwear Co | | 5 | | | |
| Texas Ohio Cultivator Co | | 4 | | | |
| Texas Pacific Land Trust | | 5 | | | |
| Texas Portland Cement Co | | 143 | | | |
| Texas Presbyterian | | 2 | | | |
| Texas Railway News and Illustrator | | 2 | | | |
| Texas Refrigerator and Fixture Co | | 4 | | | |
| Texas School Book Depository | | 9 | | | |
| Texas Seed and Floral Co | | 33 | | | |
| Texas Short Line Railroad | | 4 | | | |
| Texas Show Case Co | | 20 | | | |
| Texas Southeastern Railroad | | 5 | | | |
| Texas Southern Railway | | 14 | | | |
| Texas State Railroad | | 2 | | | |
| Texas Tie and Lumber Preserving Co | | 3 | | | |
| Texas Trade Review Co | | 4 | | | |
| Texas Transportation Co | | 3 | | | |
| Texas Trunk Railway | | 6 | | | |
| Texas, Arkansas and Louisiana Railway | | 2 | | | |
| Texas, Sabine Valley and Northwestern Railway | | 11 | | | |
| Texas-Arizona Copper Co | | 5 | | | |
| Texter Lumber Co | | 3 | | | |
| Textile Finishing Machinery Co | | 11 | | | |
| Textile Manufacturers Labor Weekly | | 1 | | | |
| Textile Mill Supply Co | | 7 | | | |
| Textile National Bank of Philadelphia | | 17 | | | |
| Textile World | | 1 | | | |
| Teziutlan Copper Mining and Smelting Co | | 11 | | | |
| Thaddeus H. Howe Co | | 2 | | | |
| Thames Iron Works | | 2 | | | |
| Tharsis Sulphur and Copper Co | | 16 | | | |
| Thayer and Jackson Stationery Co | | 4 | | | |
| Thayer County Telephone Co | | 7 | | | |
| Thayer Decorating Co | | 6 | | | |
| Thayer MO Tribune | | 2 | | | |
| Thayer Publishing Co | | | | | |
| The Beacon | | 12 | | | |
| The Calumet Record | | 1 | | | |
| The Clinique | | 2 | | | |
| The Commonwealth | | 1 | | | |
| The Doctor (New York) | | 1 | | | |
| The Doctor (St Louis) | | 1 | | | |
| The Farm Journal Magazine | | 1 | | | |
| The Formulary and Druggists Magazine | | 1 | | | |
| The Forum | | 1 | | | |
| The Hub | | 5 | | | |
| The Irving Park News | | 1 | | | |
| The Itinerant | | 1 | | | |
| The Lutheran | | 3 | | | |
| The Motor Boat | | 1 | | | |
| The Nightingale | | 1 | | | |
| The Pendleton Messenger, 7 Apr 1843 | | | | | |
| The Pioneer | | 2 | | | |
| The Practical Age | | 1 | | | |
| The Print Shop | | 1 | | | |
| The Religious Herald | | 1 | | | |
| The Reporter | | 1 | | | |
| The Sanitarian | | 3 | | | |
| The School Journal | | 1 | | | |
| The Southern Clinic | | 1 | | | |
| The Wheaton Daily Journal | | 3 | | | |
| The Word and the Work | | 1 | | | |
| Theo. Noel Co | | 3 | | | |
| Theo. Presser Co | | | | | |
| Theodore A. Kochs Co | | 4 | | | |
| Theodore Ascher Co | | 3 | | | |
| Theodore C. H. Wegeforth Co | | 2 | | | |
| Theodore Fathauer Co | | 3 | | | |
| Theodore Metcalf Co | | 4 | | | |
| Theodore W. Foster and Bro. Co | | 3 | | | |
| Therapeutic Analyst | | 1 | | | |
| Thermograde Valve Co | | 6 | | | |
| Theta Xi Fraternity Quarterly | | 1 | | | |
| Thexton Electric Envelope Sealer Co | | 2 | | | |
| Thief River Falls MN News | | 2 | | | |
| Thies Smith Realty Co | | 3 | | | |
| Third Avenue Railroad | | 7 | | | |
| Third National Bank of Allegheny | | 2 | | | |
| Third National Bank of Atlanta | | 15 | | | |
| Third National Bank of Buffalo | | 41 | | | |
| Third National Bank of Columbus | | 14 | | | |
| Third National Bank of Cumberland | | 3 | | | |
| Third National Bank of Pittsburgh | | 15 | | | |
| Third National Bank of Sandusky | | 2 | | | |
| Third National Bank of Scranton | | 1 | | | |
| Third National Bank of Sedalia | | 1 | | | |
| Third National Bank of St Louis | | 13 | | | |
| Third National Bank of Syracuse | | 1 | | | |
| Third National Bank of Walla Walla | | 1 | | | |
| Third United Cities Realty Co | | 9 | | | |
| Third Ward Railway | | 3 | | | |
| Thirteenth and Fifteenth Streets Passenger Railway | | 3 | | | |
| Thirty-Fourth Street Crosstown Railway | | 10 | | | |
| Thirty-Fourth Street Safe Deposit Co | | 7 | | | |
| Thirty-Three Oil Co | | 3 | | | |
| This Week | | 2 | | | |
| Thitchener and Glastaeter | | | | | |
| Thomas A. Biddle and Co | | 2 | | | |
| Thomas Brothers Manufacturing Co | | 2 | | | |
| Thomas C. Bundy and Co | | 9 | | | |
| Thomas Carlins Sons Co | | 4 | | | |
| Thomas Charles Co | | 2 | | | |
| Thomas Conlin Plumbing and Heating Co | | 2 | | | |
| Thomas Coutts Co | | 3 | | | |
| Thomas Cruse Mining and Development Co | | 7 | | | |
| Thomas Devlin Manufacturing Co | | 7 | | | |
| Thomas E. Lycett and Co | | | | | |
| Thomas Elevator Co | | 2 | | | |
| Thomas F. Cullinan Co | | 2 | | | |
| Thomas G. Plant Co | | 11 | | | |
| Thomas Gilbert | | | | | |
| Thomas Grocery Co | | 3 | | | |
| Thomas Groom and Co | | 7 | | | |
| Thomas J. Bolger Co | | 3 | | | |
| Thomas J. Lipton Co | | 4 | | | |
| Thomas K. Ray Co | | 3 | | | |
| Thomas Kane and Co | | 3 | | | |
| Thomas Kelly and Brothers | | 3 | | | |
| Thomas Long Co | | 3 | | | |
| Thomas Moore Distillery Co | | 5 | | | |
| Thomas Moulding Co | | 5 | | | |
| Thomas R. West | | | | | |
| Thomas V. Cannon Co | | 3 | | | |
| Thomas W. Emerson Co | | 3 | | | |
| Thomas W. Irwin Manufacturing Co | | 3 | | | |
| Thomas W. Lawson Co | | 2 | | | |
| Thomas, Roberts, Stevenson Co | | 2 | | | |
| Thomaston CT Express | | 1 | | | |
| Thomaston Electric Light Co | | 7 | | | |
| Thomaston Face and Ornamental Brick Co | | 3 | | | |
| Thomaston GA Times | | 2 | | | |
| Thomasville Gas Co | | 4 | | | |
| Thomasville NC News | | 1 | | | |
| Thompson and Co | | 4 | | | |
| Thompson and Snow Co | | 3 | | | |
| Thompson Connellsville Coke Co | | 10 | | | |
| Thompson Hardware Co | | 2 | | | |
| Thompson Ice Cream Co | | 4 | | | |
| Thompson Lumber Co | | 2 | | | |
| Thompson Music Co | | 2 | | | |
| Thompson Piano Co | | 3 | | | |
| Thompson-Hoof Co | | 4 | | | |
| Thompson-Reid Ice Cream Co | | 5 | | | |
| Thompson-Walsh Mines Co | | 3 | | | |
| Thompsons Spa | | 3 | | | |
| Thompsonville CT Press | | 1 | | | |
| Thompsonville Water Co | | 6 | | | |
| Thomsen-Ellis-Hutton Co | | | | | |
| Thomson and Taylor Spice Co | | 2 | | | |
| Thomson Electric Welding Co | | 7 | | | |
| Thomson IL Review | | 3 | | | |
| Thomson Printing Co | | | | | |
| Thomson-Houston International Co | | 6 | | | |
| Thorndale Iron Works Co | | 4 | | | |
| Thornton Light and Power Co | | 6 | | | |
| Thornton-Jordan Shoe Co | | 3 | | | |
| Thoroughbred Record | | 2 | | | |
| Thorp and Martin Co | | 4 | | | |
| Thousand Islands Railway | | 5 | | | |
| Three Kings Consolidated Mining Co | | 7 | | | |
| Three Man Mining Co | | 4 | | | |
| Three Rivers Gas Co | | 9 | | | |
| Three Rivers National Bank | | 2 | | | |
| Threelodes Mining Co | | 3 | | | |
| Thresher Electric Co | | 2 | | | |
| Thrift Novelty Co | | | | | |
| Thunder Bay Elevator Co | | 7 | | | |
| Thurston Manufacturing Co | | 3 | | | |
| Tibbetts-Oldfield Co | | 8 | | | |
| Tibbs-Hutchings and Co | | 5 | | | |
| Tichnor Art Co | | | | | |
| Tidewater Bank and Trust Co | | 1 | | | |
| Tidewater Copper Co | | 2 | | | |
| Tidewater Power Co | | 18 | | | |
| Tidewater Steel Co | | 11 | | | |
| Tidings From the Craft | | 1 | | | |
| Tidioute Gas Light Co | | 2 | | | |
| Tietjen and Lang Dry Dock Co | | 8 | | | |
| Tiffany Enameled Brick Co | | 5 | | | |
| Tiffin and Fort Wayne Railroad | | 15 | | | |
| Tiffin Edison Electric Illuminating Co | | 8 | | | |
| Tiffin Gas Light Co | | 2 | | | |
| Tiffin Home Telephone Co | | 6 | | | |
| Tiffin Street Railway | | 3 | | | |
| Tifton and Northeastern Railroad | | 7 | | | |
| Tifton, Thomasville and Gulf Railway | | 11 | | | |
| Tiger Mining Co | | 2 | | | |
| Tileston and Hollingsworth Co | | 4 | | | |
| Tillie Starbuck Mines Co | | 3 | | | |
| Tillinghast, Stiles Co | | 3 | | | |
| Tilsonburg, Lake Erie and Pacific Railroad | | 6 | | | |
| Tilt Cove Copper Co | | 3 | | | |
| Timber Butte Milling Co | | 6 | | | |
| Times and Charles County Advertiser | | 1 | | | |
| Times and Journal | | 1 | | | |
| Times and Plymouth County Courier | | 1 | | | |
| Times and Register | | 1 | | | |
| Times of Refreshing | | 1 | | | |
| Times Printing Co | | | | | |
| Times-Messenger | | 1 | | | |
| Times-Union | | 3 | | | |
| Timmonsville SC Enterprise | | 1 | | | |
| Tin Fields of Northern Nigeria | | 4 | | | |
| Tincroft Mines | | 8 | | | |
| Tinion | | 2 | | | |
| Tinley Park IL Times | | 1 | | | |
| Tintern Manor Water Co | | 7 | | | |
| Tintic Bullion Mining Co | | 5 | | | |
| Tintic Central Mining and Milling Co | | 2 | | | |
| Tintic Chief Mining Co | | 5 | | | |
| Tintic Co | | 9 | | | |
| Tintic Delaware Mining Co | | 6 | | | |
| Tintic Delmar Mining Co | | 5 | | | |
| Tintic Empire Mining Co | | 5 | | | |
| Tintic Mining and Development Co | | 4 | | | |
| Tintic Paymaster Mines Co | | 5 | | | |
| Tintic Prize Winner Mining Co | | 5 | | | |
| Tintic Quadrangle Mining Qo | | 5 | | | |
| Tintic Standard Mining Co | | 6 | | | |
| Tintic Tunnel Co | | 9 | | | |
| Tintic Union Mining Co | | 5 | | | |
| Tintic Winchester Mining Co | | 5 | | | |
| Tintic-Davis Mining Co | | 2 | | | |
| Tioga Paper Box Co | | 4 | | | |
| Tioga Trust Co | | 3 | | | |
| Tiona Refining Co | | 3 | | | |
| Tionesta and Clarion Railroad | | 2 | | | |
| Tionesta Valley Railway | | 18 | | | |
| Tip Top Consolidated Mining Co | | 5 | | | |
| Tip Top Copper Co | | 2 | | | |
| Tischart Hardware Co | | 5 | | | |
| Tiskilwa IL Chief | | 3 | | | |
| Titan Steel Casting Co | | 8 | | | |
| Titanic Copper Mountain Mining Co | | 2 | | | |
| Titche-Goettinger Co | | 160 | | | |
| Title Guaranty and Surety Co | | 2 | | | |
| Title Insurance and Trust Co | | 94 | | | |
| Titusville Gas Co | | 4 | | | |
| Titusville PA Morning Herald | | 2 | | | |
| Tobacco Journal | | 1 | | | |
| Tobey and Christianson Cabinet Co | | 3 | | | |
| Tobey Furniture Co | | 5 | | | |
| Tod-Stambaugh Co | | 2 | | | |
| Todd Drydock and Construction Co | | 3 | | 🚂 | |
| Todd Shipyards Co | | 3 | | 🚂 | |
| Todd-Mellor Co | | 2 | | | |
| Toggery Extension Mining Co | | 4 | | | |
| Toggery-Divide Mining Co | | 8 | | | |
| Toledo and Indiana Railroad | | 6 | | | |
| Toledo and Indianapolis Railway | | 5 | | | |
| Toledo and Jackson Electric Railway | | 6 | | | |
| Toledo and Michigan Electric Railway | | 6 | | | |
| Toledo and Michigan Terminal Railroad | | 5 | | | |
| Toledo and Northern Railroad | | 7 | | | |
| Toledo and Northwestern Railroad | | 7 | | | |
| Toledo and Ohio Central Extension Railroad | | 4 | | | |
| Toledo and Port Austin Railroad | | 7 | | | |
| Toledo and South Haven Railroad | | 61 | | | |
| Toledo Blue Stockings | | 21 | | | |
| Toledo Bridge Co | | 1 | 1 | | |
| Toledo Consolidated Street Railway | | 5 | | | |
| Toledo Electric Railway | | 3 | | | |
| Toledo Furnace Co | | 7 | | | |
| Toledo Gas Light and Coke Co | | 3 | | | |
| Toledo Home Telephone Co | | 14 | | | |
| Toledo IL Democrat | | 2 | | | |
| Toledo Maroons | | 40 | | | |
| Toledo Maumees | | 20 | | | |
| Toledo Medical and Surgical Reporter | | 1 | | | |
| Toledo Museum of Art | | 11 | | | |
| Toledo OH Blade | | 7 | | | |
| Toledo Railways and Light Co | | 19 | | | |
| Toledo Reduction Co | | 4 | | | |
| Toledo Savings Bank and Trust Co | | 9 | | | |
| Toledo Shipbuilding Co | | 5 | | | |
| Toledo, Adrian and Jackson Railroad | | 7 | | | |
| Toledo, Angola and Western Railroad | | 2 | | | |
| Toledo, Ann Arbor and Detroit Railroad | | 9 | | | |
| Toledo, Ann Arbor and Jackson Railroad | | 8 | | | |
| Toledo, Ann Arbor and Saginaw Railroad | | 13 | | | |
| Toledo, Cincinnati and St Louis Railway | | 28 | | | |
| Toledo, Columbus and Southern Railroad | | 4 | | | |
| Toledo, Delphos and Indianapolis Railroad | | 2 | | | |
| Toledo, Logansport and Burlington Railroad | | 5 | | | |
| Toledo, Monroe and Detroit Electric Railway | | 6 | | | |
| Toledo, Norwalk and Cleveland Railroad | | 3 | | | |
| Toledo, Ottawa Beach and Northern Railroad | | 26 | | | |
| Toledo, Peoria and Western Railway | | 42 | | 🚂 | |
| Toledo, Ypsilanti and Saginaw Air Line Railroad | | 7 | | | |
| Tolland Co Leader | | 1 | | | |
| Toloma Creamery | | 11 | | | |
| Tolono IL Herald | | 2 | | | |
| Toluca IL Star-Herald | | 3 | | | |
| Toluca, Marquette and Northern Railroad | | 3 | | | |
| Tom Bean TX News | | 2 | | | |
| Tom Moore Group | | 2 | | | |
| Tom Reed Gold Mines Co | | 7 | | | |
| Tomah WI Monitor | | 2 | | | |
| Tombigbee and Northern Railway | | 7 | | | |
| Tomboy Gold Mines Co | | 11 | | | |
| Tombstone Gas Co | | 2 | | | |
| Tommy Burns Gold Mining Co | | 7 | | | |
| Tompkins County National Bank | | 2 | | | |
| Toms River and Island Heights Electric Light and Power Co | | 8 | | | |
| Tonawanda Gas Light Co | | 5 | | | |
| Tonawanda Iron and Steel Co | | 5 | | | |
| Tonawanda Kardex | | 13 | | | |
| Tonawanda Power Co | | 9 | | | |
| Tongkah Harbour Tin Dredging Co | | 5 | | | |
| Tonica IL News | | 3 | | | |
| Tonk Manufacturing Co | | 5 | | | |
| Tonopah 76 Consolidated Mining Co | | 5 | | | |
| Tonopah and Goldfield Railroad | | 16 | | | |
| Tonopah and Tidewater Railroad | | 6 | | | |
| Tonopah Bankers Divide Mining Co | | 6 | | | |
| Tonopah Divide Junior Mining Co | | 6 | | | |
| Tonopah Dividend Mining Co | | 6 | | | |
| Tonopah Hasbrouck Extension Mining Co | | 4 | | | |
| Tonopah Hasbrouck Mining Co | | 5 | | | |
| Tonopah Mining Co of Nevada | | 17 | | | |
| Tonopah North Star Tunnel and Development Co | | 3 | | | |
| Tonopah Water Co | | 2 | | | |
| Tonopah Western Consolidated Mining Co | | 7 | | | |
| Tonty Lumber Co | | 5 | | | |
| Too Close Mining Co | | 3 | | | |
| Tooele Gold Hill Mining and Milling Co | | 5 | | | |
| Topeka Belt Railway | | 3 | | | |
| Topeka City Railway | | 3 | | | |
| Topeka Consolidated Mining Co | | 5 | | | |
| Topeka Edison Co | | 10 | | | |
| Topeka Independent Telephone Cow | | 4 | | | |
| Topeka KS Helping Hand | | 2 | | | |
| Topeka KS Independent | | 2 | | | |
| Topeka KS Real Estate Register | | 1 | | | |
| Topeka Rapid Transit Railway | | 3 | | | |
| Torch Lake Mining Co | | 5 | | | |
| Torch of Liberty | | 3 | | | |
| Torchlight-Courant | | 1 | | | |
| Toronto and Nippissing Railroad | | 4 | | | |
| Toronto Electric Light Co | | 17 | | | |
| Toronto Mining Co | | 5 | | | |
| Toronto ON War Cry | | 2 | | | |
| Toronto SD Herald | | 2 | | | |
| Toronto Street Railway | | 4 | | | |
| Toronto, Grey and Bruce Railway | | 13 | | | |
| Torpedo Divide Mining Co | | 6 | | | |
| Torpedo Mine | | 3 | | | |
| Torrance, Marshall and Co | | 22 | | | |
| Torrey, Bright and Capen Co | | 3 | | | |
| Torrington CT Register | | 1 | | | |
| Torrington Electric Light Co | | 5 | | | |
| Torrington Water Co | | 8 | | | |
| Tortillita Copper Co | | 7 | | | |
| Tottenville National Bank | | 19 | | | |
| Tough-Oakes Gold Mines | | 5 | | | |
| Tough-Oakes Mining Co | | 7 | | | |
| Tousey Varnish Co | | 4 | | | |
| Towa Savings Bank | | 1 | | | |
| Towanda Gas Co | | 9 | | | |
| Tower Hill Connellsville Coke Co | | 11 | | | |
| Towle Manufacturing Co | | 5 | | | |
| Towne Mining Co | | 5 | | | |
| Townsend National Bank of West Townsend | | 1 | | | |
| Townsend Whelen and Co | | 4 | | | |
| Townsfolk | | 1 | | | |
| Township Record and Weekly Grumbler | | 1 | | | |
| Townsman | | 1 | | | |
| Trade Circular Addressing Co | | 2 | | | |
| Traders and Mechanics Bank of Pittsburgh | | 1 | | | |
| Traders Bank and Trust Co | | 3 | | | |
| Traders Bank of Los Angeles | | 3 | | | |
| Traders Commercial Co | | 4 | | | |
| Traders National Bank of Fort Worth | | 1 | | | |
| Traders National Bank of Lowell | | 2 | | | |
| Traders National Bank of Rochester | | 2 | | | |
| Traders National Bank of San Antonio | | 1 | | | |
| Traders National Bank of Tullahoma | | 1 | | | |
| Tradesmens National Bank of Philadelphia | | 16 | | | |
| Tradesmens National Bank of Pittsburgh | | 5 | | | |
| Tradesmens Trust Co | | 15 | | | |
| Traffic World | | 1 | | | |
| Trafford Improvement Co | | 2 | | | |
| Trafford Water Co | | 2 | | | |
| Trail Creek Mining Co | | 2 | | | |
| Train-Smith Co | | 3 | | | |
| Trained Nurse | | 2 | | | |
| Trainers Lesson Leaf | | 3 | | | |
| Tramps Consolidated Mining Co | | 8 | | | |
| Trans-Continental Freight Co | | 5 | | | |
| Trans-Michigan Street Railway | | 9 | | | |
| Trans-Mississippi Grain Co | | 2 | | | |
| Trans-Mississippi Terminal Railroad | | 6 | | | |
| Trans-Pacific Sponge Co | | 3 | | | |
| Transcontinental Advertising Co | | 4 | | | |
| Transvaal Copper Mines Co of Utah | | 9 | | | |
| Transverse Passenger Railway | | 4 | | | |
| Transylvania Railroad | | 6 | | | |
| Tranter Manufacturing Co | | 4 | | | |
| Travelers Life Insurance Co | | 2 | | | |
| Traverse City and Leelanau Railroad | | 5 | | | |
| Traverse City and Peninsula Railroad | | 7 | | | |
| Traverse City Street Railway | | 4 | | | |
| Traverse City, Kalkaska and Grayling Railroad | | 5 | | | |
| Traverse City, Peninsular and Old Mission Electric Railw | | 7 | | | |
| Treasure Divide Mining and Leasing Co | | 5 | | | |
| Treasure Mining Co | | 6 | | | |
| Treasure Mountain Mining Co | | 3 | | | |
| Treasury | | 2 | | | |
| Treasury Tunnel Co | | 9 | | | |
| Tredegar National Bank of Jacksonville | | 1 | | | |
| Tremont and Devon Mining Co | | 9 | | | |
| Tremont and Pine Grove Electric Light, Heat and Power Co | | 7 | | | |
| Tremont IL News | | 3 | | | |
| Tremont Nail Co | | 3 | | | |
| Tremont PA News | | 1 | | | |
| Tremont Trust Co | | 3 | | | |
| Tremont Water and Gas Co | | 3 | | | |
| Trench Consolidated Mines Co | | 2 | | | |
| Trenton Gas and Electric Light Co | | 4 | | | |
| Trenton Gas Light Co | | 4 | | | |
| Trenton Horse Railroad | | 3 | | | |
| Trenton IL Sun | | 3 | | | |
| Trenton Locomotive Works | | 2 | | | |
| Trenton Mining Co | | 7 | | | |
| Trenton NJ Daily Republican | | 1 | | | |
| Trenton NJ Evening Times | | 1 | | | |
| Trenton NJ State Gazette | | 1 | | | |
| Trenton NJ Sunday Advertiser | | 2 | | | |
| Trenton NJ Times | | 1 | | | |
| Trenton NJ True American | | 1 | | | |
| Trenton Potteries Co | | 17 | | | |
| Tresckow Railroad | | 2 | | | |
| Tretheway Silver-Cobalt Mine | | 8 | | | |
| Trethewey Silver-Cobalt Mine | | 8 | | | |
| Treveddoer Mining Co | | 1 | | | |
| Trevorton and Susquehanna Railroad | | 2 | | | |
| Tri City Railway | | 12 | | | |
| Tri-Bullion Smelting and Development Co | | 24 | | | |
| Tri-City Gas Co | | 3 | | | |
| Tri-City Railway and Light Co | | 10 | | | |
| Tri-City Register | | 2 | | | |
| Tri-City State Bank of Madison | | 1 | | | |
| Tri-County Natural Gas Co | | 8 | | | |
| Tri-County Press | | 2 | | | |
| Tri-County Scribe | | 3 | | | |
| Tri-County Sportsman | | 1 | | | |
| Tri-Metallic Mining Co | | 6 | | | |
| Tri-State Gas Co | | 11 | | | |
| Tri-State of Michigan Railroad | | 4 | | | |
| Tri-State Telephone and Telegraph Co | | 5 | | | |
| Tri-Village Review | | 2 | | | |
| Triangle | | 3 | | | |
| Triangle Mines Co | | 5 | | | |
| Triangle Mining and Development Co | | 8 | | | |
| Triangle Mining Co | | 6 | | | |
| Tribune Association | | 8 | | | |
| Tribune Co | | 6 | | | |
| Tribune Press Publishing Co | | 5 | | | |
| Trilby Divide Mining Co | | 5 | | | |
| Trimble, Mudge and Co | | 3 | | | |
| Trimountain Trust | | 5 | | | |
| Trinidad Citizens Association | | 7 | | | |
| Trinidad Electric Co | | 10 | | | |
| Trinidad Enterprise | | 2 | | | |
| Trinidad Gas Co | | 4 | | | |
| Trinidad Mining and Smelting Co | | 3 | | | |
| Trinidad Street Railway | | 4 | | | |
| Trinity and Brazos Valley Railroad | | 31 | | | |
| Trinity Copper Co | | 15 | | | |
| Trinity Cotton Oil Co | | 25 | | | |
| Trinity Divide Mining Co | | 5 | | | |
| Trinity Fuel Co | | 3 | | | |
| Trinity Gold Mining and Reduction Co | | 11 | | | |
| Trinity Hotel | | 7 | | | |
| Trinity Manufacturing Co | | 4 | | | |
| Trinity Statinery Co | | | | | |
| Trinity Valley Southern Railroad | | 4 | | | |
| Trion Factory GA Echo | | 2 | | | |
| Tripler Liquid Air Co | | 9 | | | |
| Trojan Mining Co | | 8 | | | |
| Tronoh Mines | | 3 | | | |
| Tropic Furnace | | 3 | | | |
| Tropical American Telephone Co | | 3 | | | |
| Trout Creek Mining and Milling Co | | 2 | | | |
| Trow Directory, Printing and Bookbinding Co | | 15 | | | |
| Troy AL Messenger | | 2 | | | |
| Troy and Albia Horse Railroad | | 3 | | | |
| Troy and Lansingburg Railroad | | 4 | | | |
| Troy and Rochester Railroad | | 7 | | | |
| Troy and Rutland Railroad | | 14 | | | |
| Troy and West Troy Bridge Co | | 1 | | | |
| Troy Arizona Copper Co | | 6 | | | |
| Troy Budget | | 2 | | | |
| Troy Conference Academy | | | | | |
| Troy Cotton and Woolen Manufactory | | 5 | | | |
| Troy Cotton and Woollen Manufactory | | 5 | | | |
| Troy Electric Dynamo Co | | 5 | | | |
| Troy Gas Co of New York | | 4 | | | |
| Troy Gas Co of Ohio | | 2 | | | |
| Troy Haymakers | | 22 | | | |
| Troy IL Call | | 4 | | | |
| Troy NH Home Companion | | 1 | | | |
| Troy NY Daily Press | | 2 | | | |
| Troy OH Democrat | | 2 | | | |
| Troy OH Gas Co | | 6 | | | |
| Troy Trust Co | | 2 | | | |
| Troy, Boston and Western Vermont Railroad | | 20 | | | |
| Truax, Greene and Co | | 3 | | | |
| Truck Co No 1 | | 10 | | | |
| Truck Co No 2 | | 9 | | | |
| Truck Co No 3 | | 7 | | | |
| Truck Co No 4 | | 5 | | | |
| Truck Co No 5 | | 11 | | | |
| Truck Co No 6 | | 8 | | | |
| Truck Co No 7 | | 9 | | | |
| Truck Co No 8 | | 7 | | | |
| Truck Co No 9 | | 6 | | | |
| Truckers and Planters Journal | | 1 | | | |
| True and True Co | | 2 | | | |
| True Democrat | | 2 | | | |
| True Fissure Mining and Milling Co | | 2 | | | |
| True Flag | | 1 | | | |
| True Index | | 1 | | | |
| True Light | | 1 | | | |
| True Presbyterian | | 1 | | | |
| True Reform | | 2 | | | |
| Truett Manufacturing Co | | 6 | | | |
| Trumbull Iron Co | | 4 | | | |
| Trumbull Safe and Vault Co | | 3 | | | |
| Trussed Concrete Steel Co | | 13 | | | |
| Trust and Savings Bank of Klamath Falls | | 1 | | | |
| Trust Co | | 8 | | | |
| Truth For the People | | 1 | | | |
| Truth Seeker and News | | 1 | | | |
| Truxton Bank of Truxton | | 1 | | | |
| Tube City Brewing Co | | 9 | | | |
| Tubular Despatch Co | | 7 | | | |
| Tubular Rivet and Stud Co | | 5 | | | |
| Tuckahoe and James River Railroad | | 3 | | | |
| Tuckaseige Democrat | | 3 | | | |
| Tucker Electrical Construction Co | | 3 | | | |
| Tucker Mining and Milling Co | | 3 | | | |
| Tucker Mountain M and M Co | | 5 | | | |
| Tuckerton Gas Co | | 16 | | | |
| Tuckerton NJ Beacon | | 1 | | | |
| Tuckerton Railroad | | 14 | | | |
| Tucoma Eastern Railroad | | 9 | | | |
| Tucson Arizona Copper Co | | 7 | | | |
| Tucson Consolidated Copper Co | | 14 | | | |
| Tucson Gas Co | | 3 | | | |
| Tuftonian | | 4 | | | |
| Tufts Tea Co | | 2 | | | |
| Tufts-Lyon Arms Co | | 18 | | | |
| Tulare County News | | 2 | | | |
| Tulare Gas Co | | 4 | | | |
| Tularosa Copper Co | | 10 | | | |
| Tulsa-Pittsburg Mining Co | | 2 | | | |
| Tuna Valley Pressed Brick Co | | 2 | | | |
| Tunella Co | | 4 | | | |
| Tungsten Exploration Co | | 7 | | | |
| Tungsten Girl Co | | 8 | | | |
| Tungsten Metals Co | | 3 | | | |
| Tungsten Mines Co | | 8 | | | |
| Tungsten Mountain Mines Co | | 5 | | | |
| Tungsten Products Co | | 6 | | | |
| Tungsten Products Mining Co | | 5 | | | |
| Tungsten Reef Mining Co | | 3 | | | |
| Tunnelton, Kingwood and Fairchance Railroad | | 6 | | | |
| Tunxis Press | | 1 | | | |
| Tuolomne Copper Mining Co | | 8 | | | |
| Turf, Farm and Home | | 1 | | | |
| Turnbull Wagon Co | | 9 | | | |
| Turner Construction Co | | 4 | | | |
| Turner Tanning Machine Co | | 8 | | | |
| Turner, Day and Woolworth Handle Co | | 11 | | | |
| Turners Falls MA Reporter | | 1 | | | |
| Turners Public Spirit | | 1 | | | |
| Turret Mining and Milling Co | | 5 | | | |
| Turtle Creek Savings and Trust Co | | 8 | | | |
| Tusa Peak Gold and Copper Mining Co | | 2 | | | |
| Tuscaloosa AL Evening Times | | 2 | | | |
| Tuscaloosa Belt Railway | | 3 | | | |
| Tuscaloosa Waterworks Co | | 6 | | | |
| Tuscarora Valley Railroad | | 7 | | | |
| Tuscola IL Journal | | 2 | | | |
| Tuscola IL Review | | 2 | | | |
| Tuskegee Railroad | | 4 | | | |
| Tussey Mountain and Grafton Canyon Railroad | | 4 | | | |
| Tuthill Spring Co | | 3 | | | |
| Tuttle and Bailey Manufacturing Co | | 6 | | | |
| Tuttle, Morehouse and Taylor Co | | | | | |
| Twelfth Ward Bank of New York | | 4 | | | |
| Twenty-Sixth Ward Bank of Brooklyn | | 12 | | | |
| Twenty-Third Street Railway | | 4 | | | |
| Twenty-Third Ward Bank of New York | | 17 | | | |
| Twin Buttes Mining and Smelting Co | | 21 | | | |
| Twin City Gas Works | | 3 | | | |
| Twin City Mining and Milling Co | | 7 | | | |
| Twin City News Agency | | | | | |
| Twin City Railroad | | 6 | | | |
| Twin City Sentinel | | 2 | | | |
| Twin Ports and Empire Mining Co | | 8 | | | |
| Twin State Gas and Electric Co | | 4 | 1 | | |
| Twin-City Daily Sentinel | | 1 | | | |
| Two Boys Oil Co | | 5 | | | |
| Two Buttes Irrigation and Reservoir Co | | 5 | | | |
| Two Lakes Copper Mining Co | | 12 | | | |
| Two Oaks Lead and Zinc Mining Co | | 2 | | | |
| Two Peaks Mining Co | | 4 | | | |
| Tygart Valley News Co | | | | | |
| Tygarts River Coal Co | | 2 | | | |
| Tyler Electric Co | | 5 | | | |
| Tyler Tube and Pipe Co | | 2 | | | |
| Typographic Development Co | | 2 | | | |
| Tyrone and Clearfield Railroad | | 13 | | | |
| Tyrone Gas and Water Co | | 4 | | | |
| Tyrone-El Paso Copper Co | | 9 | | | |
Our Family Tree
