The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 19501 | Towel | £ 57,522,172 | |
| 19502 | Towels | £ 94,234,024 | |
| 19503 | Tower | £ 8,190,171 | |
| 19504 | Towergate | £ 495,975,663 | |
| 19505 | Town | £ 50,000 | |
| 19506 | Town Crazy | £ 2,236,822 | |
| 19507 | Town Feeder | £ 61,055,924 | |
| 19508 | town land | £ 5,182,365 | |
| 19509 | Townie 1 | £ -1,319,241 | |
| 19510 | Townie 2 | £ 4,017,878 | |
| 19511 | Townie 3 | £ 160,122 | |
| 19512 | Townie 4 | £ 2,836,325 | |
| 19513 | Townie 5 | £ 5,043,833 | |
| 19514 | Townie 6 | £ 265,306 | |
| 19515 | towns | £ -524,341 | |
| 19516 | townsville | £ 129,109,395 | |
| 19517 | Townsville Common | £ 453,150,548 | |
| 19518 | Townsville Commons | £ 12,104,614 | |
| 19519 | Townsville7488 | £ 50,000 | |
| 19520 | toxic sweets | £ 698,330 | |
| 19521 | Toxic Waste | £ 55,314,682 | |
| 19522 | ToxicWater | £ 17,180,645 | |
| 19523 | toy soldiers | £ 588,657,122 | |
| 19524 | toyd enterprises | £ 53,559,287 | |
| 19525 | toys | £ 212,878,500 | |
| 19526 | Toys R Us | £ 5,499,591 | |
| 19527 | TP Industries | £ 270,878,714 | |
| 19528 | Tr0uble | £ 3,408,243 | |
| 19529 | TR1 | £ 543,658,570 | |
| 19530 | Track | £ 43,897 | |
| 19531 | Tractor Boys | £ 22,406,054 | |
| 19532 | Tradex | £ 18,448,041 | |
| 19533 | Trading Post Industries | £ 142,764,231 | |
| 19534 | Traffic | £ 33,904,645 | |
| 19535 | Traffiking Party | £ 21,580,986 | |
| 19536 | Tragically Hip | £ 4,541,580 | |
| 19537 | Trail | £ 170,043,752 | |
| 19538 | Trailer Trash | £ 17,690,123 | |
| 19539 | Train | £ 85,448,194 | |
| 19540 | Trainers | £ 1,235,681 | |
| 19541 | training | £ 37,585,531 | |
| 19542 | Trainwreck | £ 143,553,873 | |
| 19543 | Traitor Enterprises | £ 6,387,793 | |
| 19544 | tramps | £ 4,249,848 | |
| 19545 | tramps rus | £ 50,000 | |
| 19546 | trampy | £ 4,746,602 | |
| 19547 | Trance | £ 31,053,935 | |
| 19548 | Tranqualities | £ 1,054,515,026 | |
| 19549 | Tranquility | £ 61,617,255 | |
| 19550 | Transcendence | £ 9,809,944 | |
| 19551 | TranServ | £ 812,427 | |
| 19552 | TRANSFERED MONEY | £ 87,625,632 | |
| 19553 | Transformers | £ 884,587,286 | |
| 19554 | Transport | £ 86,743,173 | |
| 19555 | Transportation Systems | £ 50,009,831 | |
| 19556 | Transporter Bv | £ 3,417,363 | |
| 19557 | Transylvannia | £ 16,349,535 | |
| 19558 | Trap Inc | £ 159,655,023 | |
| 19559 | Trash Co | £ 938,746 | |
| 19560 | Trashbag Gang | £ 125,514,548 | |
| 19561 | Travel lodge | £ 10,975,777 | |
| 19562 | Travellers Cheques | £ 178,002,217 | |
| 19563 | travis perkins | £ 63,203 | |
| 19564 | traviscityindustires | £ 493,900 | |
| 19565 | travisdogandco | £ 50,000 | |
| 19566 | Treachery | £ 202,021,645 | |
| 19567 | Treacle | £ 5,500,530 | |
| 19568 | Treacle Mining Inc. | £ 61,103,035 | |
| 19569 | Treacle Mining Ltd | £ 50,000 | |
| 19570 | Treacle Tart | £ 4,355,630 | |
| 19571 | Treason | £ 27,329,683 | |
| 19572 | Treasure | £ 57,810,180 | |
| 19573 | Tree | £ 53,585,523 | |
| 19574 | Tree Fellers | £ -1,919 | |
| 19575 | Tree1 | £ 3,735,610 | |
| 19576 | TreeFellas LTD | £ 1,234,382 | |
| 19577 | Treehorn Production inc | £ 732,257 | |
| 19578 | Trembler | £ 218,082,732 | |
| 19579 | Tremont-U | £ 5,876,385 | |
| 19580 | tremor | £ 3,657,431 | |
| 19581 | tremper | £ 6,867,566 | |
| 19582 | tremper14 | £ 590,827 | |
| 19583 | Tremper5 | £ 1,595,170 | |
| 19584 | Tremper514 | £ 2,209,187 | |
| 19585 | Tremper55 | £ 2,088,959 | |
| 19586 | Treno | £ 58,357,215 | |
| 19587 | Trevor Philips Enterpris | £ 505,264,845 | |
| 19588 | Trevor Philips Ind | £ 18,654,595 | |
| 19589 | treyui | £ 50,000 | |
| 19590 | Trial and Error | £ 5,503,869 | |
| 19591 | Trial of da weak | £ -714,569 | |
| 19592 | triangle tabel | £ 22,520,260 | |
| 19593 | Triangles | £ 4,772,454 | |
| 19594 | Tribal | £ 17,956,779 | |
| 19595 | Tribbleton | £ -48,897,651 | |
| 19596 | Tribecastanza | £ 65,270,480 | |
| 19597 | Tribes | £ 605,556 | |
| 19598 | trichomonas | £ 53,660,150 | |
| 19599 | Trickery | £ 4,965,405 | |
| 19600 | Tricks | £ 57,693,424 | |
