The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 18301 | Those People You Dislike | £ 54,508,542 | |
| 18302 | Those Pithy CompanyNames | £ 26,047,445 | |
| 18303 | Those Things | £ 78,254,418 | |
| 18304 | Thoth | £ 99,775,263 | |
| 18305 | Thots | £ 157,031,236 | |
| 18306 | Thotty Sues Diner | £ 50,000 | |
| 18307 | Thought | £ 2,573,402,311 | |
| 18308 | Thought Nova Ltd | £ 50,000 | |
| 18309 | Thoughts | £ 50,000 | |
| 18310 | Thousands | £ 11,621,797 | |
| 18311 | THPP | £ 49,413,140 | |
| 18312 | Thr0nes | £ 7,151,852 | |
| 18313 | Thrace | £ 43,965,458 | |
| 18314 | Three | £ 303,573,617 | |
| 18315 | Three Blind Mice | £ 1,511,809 | |
| 18316 | three company | £ 50,000 | |
| 18317 | Three Governments | £ 14,151,243 | |
| 18318 | Three Letters | £ 452,132,559 | |
| 18319 | Three Mile Island | £ 4,458,893 | |
| 18320 | three star | £ 94,849,766 | |
| 18321 | Three United | £ 4,550,567 | |
| 18322 | three wrongs right | £ 1,303,145 | |
| 18323 | threeeeeee | £ 52,931,142 | |
| 18324 | Thriller | £ 563,622,174 | |
| 18325 | Thrillers | £ 9,137,333 | |
| 18326 | Thrills | £ 305,265,309 | |
| 18327 | Throat | £ 413,819,852 | |
| 18328 | thrones | £ 97,127,004 | |
| 18329 | Through | £ 58,634,903 | |
| 18330 | Through the Snow | £ 50,000 | |
| 18331 | Throw | £ 3,396,135 | |
| 18332 | Throw Away Comps 1 | £ 203,815,625 | |
| 18333 | Throw Away Comps 2 | £ 206,634,905 | |
| 18334 | Thrumster | £ 1,165,566,497 | |
| 18335 | Thrux | £ 689,794,077 | |
| 18336 | Thruxton | £ 278,786,558 | |
| 18337 | Thuggernaut | £ 9,347,075,452 | |
| 18338 | Thugs Rule | £ 152,167 | |
| 18339 | Thumb | £ 9,882,665,032 | |
| 18340 | Thumper | £ 554,693 | |
| 18341 | Thumper Exchange | £ 42,355,148 | |
| 18342 | thunder | £ 219,702,018 | |
| 18343 | Thunder Co | £ 62,548 | |
| 18344 | Thunder Road | £ 984,263,804 | |
| 18345 | thunder13 | £ 4,571,399 | |
| 18346 | thunder35 | £ 4,109,673 | |
| 18347 | Thunderbird 1 | £ 585,236,342 | |
| 18348 | Thunderbird 2 | £ 563,934,308 | |
| 18349 | Thunderbird 3 | £ 239,885,580 | |
| 18350 | Thunderbird 4 | £ 274,684,520 | |
| 18351 | Thunderbird 5 | £ 398,795,967 | |
| 18352 | Thunderbolt | £ 6,622,467 | |
| 18353 | ThunderDome | £ 316,214,683 | |
| 18354 | ThunderKeg | £ 5,549,046 | |
| 18355 | thundershlong | £ 1,266,427 | |
| 18356 | Thunderstruck | £ 1,565,465 | |
| 18357 | Thurso | £ 179,052,281 | |
| 18358 | Thwarted Evil | £ 13,556,255 | |
| 18359 | Thyme | £ 6,962,851 | |
| 18360 | Thyrllan | £ 859,339 | |
| 18361 | Ti nker Toys | £ 47,840,068 | |
| 18362 | Tibbs Motors | £ 211,461,554 | |
| 18363 | Tiberian | £ 509,864,203 | |
| 18364 | Tiberius | £ 160,070,971 | |
| 18365 | Tickets | £ 50,000 | |
| 18366 | Ticking Clock | £ 219,057,993 | |
| 18367 | Tickle Enterprises | £ 22,971,170 | |
| 18368 | Tickle Your Fancy | £ 5,664,032 | |
| 18369 | TickTOck | £ 127,199,969 | |
| 18370 | Tie Figher Swarm | £ 1,221,063 | |
| 18371 | Tieback | £ 479,609,370 | |
| 18372 | Tiffany | £ 5,508,613 | |
| 18373 | tiger | £ 327,716,580 | |
| 18374 | Tiger Cubs | £ 865,370,204 | |
| 18375 | Tiger Holdings | £ 75,072,306 | |
| 18376 | Tiger Inc | £ 59,321,765 | |
| 18377 | Tiger Inc. | £ 179,228,881 | |
| 18378 | Tiger Ind | £ 1,516,293,468 | |
| 18379 | Tiger Industries | £ 1,548,639 | |
| 18380 | Tiger land | £ 50,000 | |
| 18381 | Tiger Ltd | £ 499,340,466 | |
| 18382 | Tiger Shark | £ 50,000 | |
| 18383 | Tiger Woods | £ 160,429,605 | |
| 18384 | Tiger1 | £ 745,663,575 | |
| 18385 | Tiger2 | £ 91,741,053 | |
| 18386 | Tiger3 | £ 83,654,869 | |
| 18387 | Tiger4 | £ 78,378,747 | |
| 18388 | Tiger5 | £ 52,588,970 | |
| 18389 | Tiger6 | £ 46,760,832 | |
| 18390 | Tiger7 | £ 52,677,201 | |
| 18391 | Tigerland | £ 104,506,155 | |
| 18392 | Tigers | £ 2,856 | |
| 18393 | Tigerz | £ 58,140,413 | |
| 18394 | Tiggers Num Nums | £ -8,123,794 | |
| 18395 | Tightly Coiled Piles | £ 91,532,532 | |
| 18396 | Tile | £ 328,497 | |
| 18397 | till amarillo | £ 10,675,706 | |
| 18398 | Till Brooklyn | £ 102,397,872 | |
| 18399 | Tim Hortons | £ 134,783,117 | |
| 18400 | Tim LLC | £ 1,058,398 | |
