The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 18701 | Train | £ 85,448,194 | |
| 18702 | Trainers | £ 1,235,681 | |
| 18703 | Trainwreck | £ 143,553,873 | |
| 18704 | Traitor Enterprises | £ 6,387,793 | |
| 18705 | tramps | £ 4,249,848 | |
| 18706 | tramps rus | £ 50,000 | |
| 18707 | trampy | £ 4,746,602 | |
| 18708 | Trance | £ 31,053,935 | |
| 18709 | Tranqualities | £ 1,054,515,026 | |
| 18710 | Tranquility | £ 61,617,255 | |
| 18711 | Transcendence | £ 1,710,737 | |
| 18712 | TranServ | £ 812,427 | |
| 18713 | TRANSFERED MONEY | £ 87,625,632 | |
| 18714 | Transformers | £ 837,883,763 | |
| 18715 | Transport | £ 116,426,155 | |
| 18716 | Transporter Bv | £ 3,417,363 | |
| 18717 | Transylvannia | £ 16,349,535 | |
| 18718 | Trap Inc | £ 159,655,023 | |
| 18719 | Trash Co | £ 938,746 | |
| 18720 | Trashbag Gang | £ 125,514,548 | |
| 18721 | Travel lodge | £ 10,975,777 | |
| 18722 | Travellers Cheques | £ 178,002,217 | |
| 18723 | travis perkins | £ 63,203 | |
| 18724 | traviscityindustires | £ 493,900 | |
| 18725 | travisdogandco | £ 50,000 | |
| 18726 | Treachery | £ 153,063,110 | |
| 18727 | Treacle | £ 5,500,530 | |
| 18728 | Treacle Mining Inc. | £ 61,103,035 | |
| 18729 | Treacle Mining Ltd | £ 50,000 | |
| 18730 | Treacle Tart | £ 4,355,630 | |
| 18731 | Treasure | £ 57,810,180 | |
| 18732 | Tree Fellers | £ -1,919 | |
| 18733 | Tree1 | £ 3,735,610 | |
| 18734 | TreeFellas LTD | £ 1,234,382 | |
| 18735 | Treehorn Production inc | £ 732,257 | |
| 18736 | Trembler | £ 218,082,732 | |
| 18737 | Tremont-U | £ 5,876,385 | |
| 18738 | tremor | £ 3,657,431 | |
| 18739 | tremper | £ 6,867,566 | |
| 18740 | tremper14 | £ 590,827 | |
| 18741 | Tremper5 | £ 1,595,170 | |
| 18742 | Tremper514 | £ 2,209,187 | |
| 18743 | Tremper55 | £ 2,088,959 | |
| 18744 | Trevor Philips Enterpris | £ 505,264,845 | |
| 18745 | Trevor Philips Ind | £ 35,434,700 | |
| 18746 | treyui | £ 50,000 | |
| 18747 | Trial and Error | £ 5,503,869 | |
| 18748 | Trial of da weak | £ -714,569 | |
| 18749 | triangle tabel | £ 22,520,260 | |
| 18750 | Triangles | £ 4,772,454 | |
| 18751 | Tribal | £ 17,956,779 | |
| 18752 | Tribbleton | £ -48,897,651 | |
| 18753 | Tribecastanza | £ 65,270,480 | |
| 18754 | Tribes | £ 605,556 | |
| 18755 | trichomonas | £ 53,660,150 | |
| 18756 | Trickery | £ 4,965,405 | |
| 18757 | Tricks | £ 57,693,424 | |
| 18758 | Trickster | £ 934,403 | |
| 18759 | TrickstersGirl | £ 4,421,533 | |
| 18760 | Tricky Inc | £ 312,099 | |
| 18761 | TriCoMoon | £ 3,499,244 | |
| 18762 | Trident | £ 185,815,436 | |
| 18763 | Triflex Studios | £ 1,890,437 | |
| 18764 | Triforce Technologies | £ 62,658,328 | |
| 18765 | trigga | £ 5,501,257 | |
| 18766 | Trigger Happy TV | £ 64,164,302 | |
| 18767 | trikadoc ent | £ -2,621,474 | |
| 18768 | Trilateral Commission | £ 186,675,837 | |
| 18769 | Trinitrotoluene | £ 3,530,809 | |
| 18770 | Trinkets plus | £ 8,206,487 | |
| 18771 | Triple | £ 5,224,648 | |
| 18772 | Triple X | £ 2,931,494 | |
| 18773 | Triple X Corp | £ 56,715,793 | |
| 18774 | Tripoli | £ 243,643,476 | |
| 18775 | Trippin | £ 22,850,724 | |
| 18776 | Triton Psychedelics | £ 1,559,120 | |
| 18777 | Triumvirate | £ 7,729,029 | |
| 18778 | Trivia | £ 453,690,566 | |
| 18779 | Trixies Treats | £ 50,000 | |
| 18780 | Troglodyte LTD | £ 50,000 | |
| 18781 | Trogs | £ 6,235,872 | |
| 18782 | Trojan | £ 782,738,386 | |
| 18783 | Troll Bombings | £ 5,503,910 | |
| 18784 | Trollaris | £ 4,793,390 | |
| 18785 | Trolling | £ 57,211,849 | |
| 18786 | Trollolol | £ 3,547,461 | |
| 18787 | Trolls | £ 54,025,363 | |
| 18788 | trooper | £ 337,223,772 | |
| 18789 | Trop Space | £ 2,140,130,898 | |
| 18790 | Tropica | £ 4,394,369 | |
| 18791 | Tropico 2 | £ 56,381 | |
| 18792 | Tror | £ 43,278,856 | |
| 18793 | Troter international | £ 50,000 | |
| 18794 | Trotters | £ 5,498,497 | |
| 18795 | Trotters inc | £ 13,957,991 | |
| 18796 | Trotters international | £ 13,260,602 | |
| 18797 | Troubble | £ 133,354,101 | |
| 18798 | Troubblesome | £ 216,163,132 | |
| 18799 | Trouble | £ 171,082,605 | |
| 18800 | TROUBLE 3 | £ 391,602,932 | |
