The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 20601 | Tower | £ 8,190,171 | |
| 20602 | Towergate | £ 495,975,663 | |
| 20603 | Town | £ 50,000 | |
| 20604 | Town Crazy | £ 2,236,822 | |
| 20605 | Town Feeder | £ 61,055,924 | |
| 20606 | town land | £ 5,182,365 | |
| 20607 | Townie 1 | £ -1,319,241 | |
| 20608 | Townie 2 | £ 4,017,878 | |
| 20609 | Townie 3 | £ 160,122 | |
| 20610 | Townie 4 | £ 2,836,325 | |
| 20611 | Townie 5 | £ 5,043,833 | |
| 20612 | Townie 6 | £ 265,306 | |
| 20613 | towns | £ -323,457 | |
| 20614 | townsville | £ 129,109,395 | |
| 20615 | Townsville Common | £ 570,929,258 | |
| 20616 | Townsville Commons | £ 12,104,614 | |
| 20617 | Townsville7488 | £ 50,000 | |
| 20618 | Toxic Inc. | £ 13,279,199 | |
| 20619 | toxic sweets | £ 698,330 | |
| 20620 | Toxic Waste | £ 55,314,682 | |
| 20621 | Toxicity | £ 122,670,178 | |
| 20622 | ToxicWater | £ 17,180,645 | |
| 20623 | toy soldiers | £ 600,863,098 | |
| 20624 | toyd enterprises | £ 53,559,287 | |
| 20625 | toys | £ 212,878,500 | |
| 20626 | Toys R Us | £ 5,499,591 | |
| 20627 | TP Industries | £ 270,878,714 | |
| 20628 | TPB | £ 2,429,832 | |
| 20629 | Tr0uble | £ 3,408,243 | |
| 20630 | TR1 | £ 543,658,570 | |
| 20631 | Track | £ 43,897 | |
| 20632 | Tractor Boys | £ 22,406,054 | |
| 20633 | Tradex | £ 18,448,041 | |
| 20634 | Trading Post Industries | £ 142,764,231 | |
| 20635 | Traffic | £ 33,904,645 | |
| 20636 | Traffiking Party | £ 21,580,986 | |
| 20637 | Tragically Hip | £ 4,541,580 | |
| 20638 | Trail | £ 170,043,752 | |
| 20639 | Trailer Trash | £ 17,690,123 | |
| 20640 | Train | £ 85,448,194 | |
| 20641 | Trainers | £ 1,235,681 | |
| 20642 | training | £ 37,585,531 | |
| 20643 | Trainwreck | £ 143,553,873 | |
| 20644 | Traitor Enterprises | £ 6,387,793 | |
| 20645 | tramps | £ 4,249,848 | |
| 20646 | tramps rus | £ 50,000 | |
| 20647 | trampy | £ 4,746,602 | |
| 20648 | Trance | £ 31,053,935 | |
| 20649 | Tranos | £ 4,356,192 | |
| 20650 | Tranqualities | £ 1,054,515,026 | |
| 20651 | Tranquility | £ 61,617,255 | |
| 20652 | Transcendence | £ 9,809,944 | |
| 20653 | TranServ | £ 812,427 | |
| 20654 | TRANSFERED MONEY | £ 87,625,632 | |
| 20655 | Transformers | £ 877,840,885 | |
| 20656 | Transport | £ 86,743,173 | |
| 20657 | Transportation Systems | £ 259,387,792 | |
| 20658 | Transporter Bv | £ 3,417,363 | |
| 20659 | Transylvannia | £ 16,349,535 | |
| 20660 | Trap Inc | £ 159,655,023 | |
| 20661 | TRAP LAWD | £ 4,409,774 | |
| 20662 | Trash Co | £ 938,746 | |
| 20663 | Trashbag Gang | £ 125,514,548 | |
| 20664 | Travel | £ 45,939,520 | |
| 20665 | Travel lodge | £ 10,975,777 | |
| 20666 | Travellers Cheques | £ 178,002,217 | |
| 20667 | travis perkins | £ 63,203 | |
| 20668 | traviscityindustires | £ 493,900 | |
| 20669 | travisdogandco | £ 50,000 | |
| 20670 | Treachery | £ 202,021,645 | |
| 20671 | Treacle | £ 5,500,530 | |
| 20672 | Treacle Mining Inc. | £ 61,103,035 | |
| 20673 | Treacle Mining Ltd | £ 50,000 | |
| 20674 | Treacle Tart | £ 4,355,630 | |
| 20675 | Treasure | £ 57,810,180 | |
| 20676 | Treasury | £ 145,797,825 | |
| 20677 | Tree | £ 53,585,523 | |
| 20678 | Tree Fellers | £ -1,919 | |
| 20679 | Tree1 | £ 3,735,610 | |
| 20680 | TreeFellas LTD | £ 1,234,382 | |
| 20681 | Treehorn Production inc | £ 732,257 | |
| 20682 | Trembler | £ 218,082,732 | |
| 20683 | Tremont-U | £ 5,876,385 | |
| 20684 | tremor | £ 3,657,431 | |
| 20685 | tremper | £ 6,867,566 | |
| 20686 | tremper14 | £ 590,827 | |
| 20687 | Tremper5 | £ 1,595,170 | |
| 20688 | Tremper514 | £ 2,209,187 | |
| 20689 | Tremper55 | £ 2,088,959 | |
| 20690 | Treno | £ 58,357,215 | |
| 20691 | Trevor Philips Enterpris | £ 505,264,845 | |
| 20692 | Trevor Philips Ind | £ 18,654,595 | |
| 20693 | treyui | £ 50,000 | |
| 20694 | Trial and Error | £ 5,503,869 | |
| 20695 | Trial and Retribution | £ 293,994,114 | |
| 20696 | Trial of da weak | £ -714,569 | |
| 20697 | triangle tabel | £ 22,520,260 | |
| 20698 | Triangles | £ 4,772,454 | |
| 20699 | Tribal | £ 17,956,779 | |
| 20700 | Tribbleton | £ -48,897,651 | |
