The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 22401 | Transport | £ 267,450,889 | |
| 22402 | Transportation | £ 645,523,075 | |
| 22403 | Transportation Systems | £ 258,909,230 | |
| 22404 | Transporter Bv | £ 3,417,363 | |
| 22405 | Transylvannia | £ 16,349,535 | |
| 22406 | Trap Inc | £ 159,655,023 | |
| 22407 | TRAP LAWD | £ 238,945,014 | |
| 22408 | Trapdoor | £ 20,308,291 | |
| 22409 | Trash | £ 5,502,419 | |
| 22410 | Trash Co | £ 938,746 | |
| 22411 | Trashbag Gang | £ 125,514,548 | |
| 22412 | Travel | £ 121,009,871 | |
| 22413 | Travel lodge | £ 10,975,777 | |
| 22414 | Travel Wifi | £ 179,073,924 | |
| 22415 | Travellers Cheques | £ 228,147,130 | |
| 22416 | Travisinc | £ 67,625,939 | |
| 22417 | Trawel Inc. | £ 4,777,300 | |
| 22418 | Treachery | £ 368,695,409 | |
| 22419 | Treacle | £ 5,500,530 | |
| 22420 | Treacle Mining Inc. | £ 61,103,035 | |
| 22421 | Treacle Tart | £ 4,355,630 | |
| 22422 | Treason | £ 280,942,844 | |
| 22423 | Treasure | £ 57,810,180 | |
| 22424 | treasure mystery | £ 843,257,438 | |
| 22425 | Treasury | £ 481,762,505 | |
| 22426 | Treat | £ 18,873,870 | |
| 22427 | Tree | £ 53,585,523 | |
| 22428 | Tree army | £ 4,217,199 | |
| 22429 | TreeFellas LTD | £ 1,234,382 | |
| 22430 | Treehorn Production inc | £ 732,257 | |
| 22431 | Trees | £ 133,851,154 | |
| 22432 | Trek Farce | £ 105,243,582 | |
| 22433 | Trembler | £ 218,082,732 | |
| 22434 | Tremont-U | £ 5,876,385 | |
| 22435 | tremor | £ 3,657,431 | |
| 22436 | tremper | £ 6,867,566 | |
| 22437 | tremper14 | £ 590,827 | |
| 22438 | Tremper5 | £ 1,595,170 | |
| 22439 | Tremper514 | £ 2,209,187 | |
| 22440 | Tremper55 | £ 2,088,959 | |
| 22441 | Treno | £ 58,357,215 | |
| 22442 | Trevor Philips Enterpris | £ 505,264,845 | |
| 22443 | treyui | £ 4,228,285 | |
| 22444 | TRFH Ltd | £ 1,237,414 | |
| 22445 | Trial and Error | £ 5,503,869 | |
| 22446 | Trial and Retribution | £ 1,248,267,417 | |
| 22447 | triangle | £ 49,826,640 | |
| 22448 | triangle tabel | £ 22,520,260 | |
| 22449 | Triangles | £ 4,772,454 | |
| 22450 | Tribal | £ 17,956,779 | |
| 22451 | Tribal Chief | £ 4,271,649 | |
| 22452 | Tribe Wars | £ 133,564,352 | |
| 22453 | Tribecastanza | £ 65,270,480 | |
| 22454 | Tribes | £ 605,556 | |
| 22455 | trichomonas | £ 53,660,150 | |
| 22456 | Trick Or Treat | £ 558,734,037 | |
| 22457 | Trickery | £ 4,965,405 | |
| 22458 | Tricks | £ 57,693,424 | |
| 22459 | Trickster | £ 934,403 | |
| 22460 | TrickstersGirl | £ 4,421,533 | |
| 22461 | TriCoMoon | £ 3,499,244 | |
| 22462 | Trident | £ 185,815,436 | |
| 22463 | Trident Missile | £ 1,000,000 | |
| 22464 | Triflex Studios | £ 1,890,437 | |
| 22465 | Triforce Technologies | £ 375,150,687 | |
| 22466 | Triforce Ventures | £ 3,109,022 | |
| 22467 | trigga | £ 5,501,257 | |
| 22468 | Trigger Happy TV | £ 64,164,302 | |
| 22469 | Triggers Broom | £ 90,237,817 | |
| 22470 | trikadoc ent | £ 1,325,668 | |
| 22471 | Trilateral Commission | £ 186,675,837 | |
| 22472 | Trinitrotoluene | £ 3,530,809 | |
| 22473 | Trinitrotoluene INC | £ 143,875,040 | |
| 22474 | Trinkets plus | £ 8,378,386 | |
| 22475 | Triple | £ 5,224,648 | |
| 22476 | Triple X Corp | £ 56,715,793 | |
| 22477 | Tripoli | £ 306,195,358 | |
| 22478 | Triton Psychedelics | £ 1,559,120 | |
| 22479 | Triumph Holdings | £ 53,396,223 | |
| 22480 | Triumvirate | £ 7,729,029 | |
| 22481 | Trivia | £ 453,690,566 | |
| 22482 | Trogs | £ 6,235,872 | |
| 22483 | Trojan | £ 791,880,233 | |
| 22484 | Troll Bombings | £ 94,823,633 | |
| 22485 | Trollaris | £ 4,793,390 | |
| 22486 | Trollheim | £ 48,956,747 | |
| 22487 | Trolling | £ 57,211,849 | |
| 22488 | Trollolol | £ 3,547,461 | |
| 22489 | Trolls | £ 54,025,363 | |
| 22490 | Troop 5 | £ 80,619,032 | |
| 22491 | trooper | £ 337,223,772 | |
| 22492 | Troops | £ 204,033,532 | |
| 22493 | Trop Space | £ 2,140,130,898 | |
| 22494 | Tropica | £ 4,394,369 | |
| 22495 | Tror | £ 43,278,856 | |
| 22496 | Trotters | £ 10,544,759 | |
| 22497 | Trotters inc | £ 13,957,991 | |
| 22498 | Trotters Ind Trading | £ 162,600,930 | |
| 22499 | Trotters independent tra | £ 10,506,312 | |
| 22500 | Trotters international | £ 13,260,602 | |
