The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 17501 | towns | £ -524,341 | |
| 17502 | townsville | £ 129,109,395 | |
| 17503 | Townsville Common | £ 877,558 | |
| 17504 | Townsville Commons | £ 12,184,014 | |
| 17505 | toxic sweets | £ 698,330 | |
| 17506 | ToxicWater | £ 17,180,645 | |
| 17507 | toy soldiers | £ 545,762,599 | |
| 17508 | toyd enterprises | £ 53,559,287 | |
| 17509 | toys | £ 379,601,277 | |
| 17510 | Toys R Us | £ 5,499,591 | |
| 17511 | TP Industries | £ 197,172,010 | |
| 17512 | TR1 | £ 228,083,028 | |
| 17513 | Track | £ 43,897 | |
| 17514 | Tractor Boys | £ 22,406,054 | |
| 17515 | Tradex | £ 18,448,041 | |
| 17516 | Trading Post Industries | £ 142,764,231 | |
| 17517 | Traffic | £ 33,904,645 | |
| 17518 | Traffiking Party | £ 21,580,986 | |
| 17519 | Tragically Hip | £ 4,541,580 | |
| 17520 | Trail | £ 149,001,440 | |
| 17521 | Trailer Trash | £ 17,690,123 | |
| 17522 | Train | £ 85,448,194 | |
| 17523 | Trainers | £ 1,235,681 | |
| 17524 | Trainwreck | £ 143,553,873 | |
| 17525 | Traitor Enterprises | £ 6,387,793 | |
| 17526 | tramps | £ 4,249,848 | |
| 17527 | tramps rus | £ 50,000 | |
| 17528 | trampy | £ 4,746,602 | |
| 17529 | Trance | £ 31,053,935 | |
| 17530 | Tranqualities | £ 401,191,920 | |
| 17531 | Tranquility | £ 61,617,255 | |
| 17532 | TranServ | £ 812,427 | |
| 17533 | TRANSFERED MONEY | £ 87,625,632 | |
| 17534 | Transformers | £ 837,883,763 | |
| 17535 | Transport | £ 20,958,314 | |
| 17536 | Transporter Bv | £ 3,417,363 | |
| 17537 | Transylvannia | £ 16,349,535 | |
| 17538 | Trap Inc | £ 159,655,023 | |
| 17539 | Trash Co | £ 938,746 | |
| 17540 | Trashbag Gang | £ 125,514,548 | |
| 17541 | Travel lodge | £ 10,975,777 | |
| 17542 | Travellers Cheques | £ 178,002,217 | |
| 17543 | travis perkins | £ 63,203 | |
| 17544 | traviscityindustires | £ 493,900 | |
| 17545 | travisdogandco | £ 50,000 | |
| 17546 | Treachery | £ 59,315,232 | |
| 17547 | Treacle | £ 5,500,530 | |
| 17548 | Treacle Mining Inc. | £ 61,103,035 | |
| 17549 | Treacle Mining Ltd | £ 50,000 | |
| 17550 | Treacle Tart | £ 4,355,630 | |
| 17551 | Treasure | £ 57,810,180 | |
| 17552 | Tree Fellers | £ -1,919 | |
| 17553 | Tree1 | £ 3,735,610 | |
| 17554 | TreeFellas LTD | £ 1,234,382 | |
| 17555 | Treehorn Production inc | £ 732,257 | |
| 17556 | Trembler | £ 218,082,732 | |
| 17557 | Tremont-U | £ 4,517,548 | |
| 17558 | tremor | £ 3,657,431 | |
| 17559 | tremper | £ 6,867,566 | |
| 17560 | tremper14 | £ 590,827 | |
| 17561 | Tremper5 | £ 1,595,170 | |
| 17562 | Tremper514 | £ 2,209,187 | |
| 17563 | Tremper55 | £ 2,088,959 | |
| 17564 | Trevor Philips Enterpris | £ 505,264,845 | |
| 17565 | treyui | £ 50,000 | |
| 17566 | Trial and Error | £ 5,503,869 | |
| 17567 | Trial of da weak | £ -714,569 | |
| 17568 | triangle tabel | £ 22,520,260 | |
| 17569 | Triangles | £ 4,772,454 | |
| 17570 | Tribal | £ 17,956,779 | |
| 17571 | Tribbleton | £ -48,897,651 | |
| 17572 | Tribecastanza | £ 65,270,480 | |
| 17573 | Tribes | £ 605,556 | |
| 17574 | trichomonas | £ 53,660,150 | |
| 17575 | Trickery | £ 4,965,405 | |
| 17576 | Tricks | £ 57,693,424 | |
| 17577 | Trickster | £ 934,403 | |
| 17578 | TrickstersGirl | £ 4,421,533 | |
| 17579 | Tricky Inc | £ 312,099 | |
| 17580 | TriCoMoon | £ 3,499,244 | |
| 17581 | Trident | £ 185,815,436 | |
| 17582 | Triflex Studios | £ 1,890,437 | |
| 17583 | Triforce Technologies | £ 62,658,328 | |
| 17584 | trigga | £ 5,501,257 | |
| 17585 | Trigger Happy TV | £ 64,164,302 | |
| 17586 | trikadoc ent | £ -2,621,474 | |
| 17587 | Trilateral Commission | £ 186,675,837 | |
| 17588 | Trinitrotoluene | £ 3,530,809 | |
| 17589 | Trinkets plus | £ 8,206,487 | |
| 17590 | Triple | £ 5,224,648 | |
| 17591 | Triple X | £ 2,931,494 | |
| 17592 | Triple X Corp | £ 56,715,793 | |
| 17593 | Tripoli | £ 78,381,205 | |
| 17594 | Trippin | £ 22,850,724 | |
| 17595 | Triton Psychedelics | £ 1,559,120 | |
| 17596 | Triumvirate | £ 7,729,029 | |
| 17597 | Trivia | £ 453,690,566 | |
| 17598 | Trixies Treats | £ 50,000 | |
| 17599 | Troglodyte LTD | £ 50,000 | |
| 17600 | Trogs | £ 6,235,872 | |
