The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 23401 | Treacle Tart | £ 4,355,630 | |
| 23402 | Treason | £ 272,829,877 | |
| 23403 | Treasure | £ 57,810,180 | |
| 23404 | treasure mystery | £ 42,904,842 | |
| 23405 | Treasury | £ 481,762,505 | |
| 23406 | Tree | £ 53,585,523 | |
| 23407 | Tree army | £ 4,217,199 | |
| 23408 | Tree Fellers | £ -1,919 | |
| 23409 | TreeFellas LTD | £ 1,234,382 | |
| 23410 | Treehorn Production inc | £ 732,257 | |
| 23411 | Trees | £ 133,851,154 | |
| 23412 | Trek Farce | £ 233,336,935 | |
| 23413 | Trembler | £ 218,082,732 | |
| 23414 | Tremont-U | £ 5,876,385 | |
| 23415 | tremor | £ 3,657,431 | |
| 23416 | tremper | £ 6,867,566 | |
| 23417 | tremper14 | £ 590,827 | |
| 23418 | Tremper5 | £ 1,595,170 | |
| 23419 | Tremper514 | £ 2,209,187 | |
| 23420 | Tremper55 | £ 2,088,959 | |
| 23421 | Treno | £ 58,357,215 | |
| 23422 | Trevor Philips Enterpris | £ 505,264,845 | |
| 23423 | Trevor Philips Ind | £ 18,654,595 | |
| 23424 | treyui | £ 4,228,285 | |
| 23425 | TRFH Ltd | £ 1,237,414 | |
| 23426 | Trial and Error | £ 5,503,869 | |
| 23427 | Trial and Retribution | £ 1,022,814,108 | |
| 23428 | Trial of da weak | £ -714,569 | |
| 23429 | triangle tabel | £ 22,520,260 | |
| 23430 | Triangles | £ 4,772,454 | |
| 23431 | Tribal | £ 17,956,779 | |
| 23432 | Tribbleton | £ -48,897,651 | |
| 23433 | Tribe Wars | £ 132,564,352 | |
| 23434 | Tribecastanza | £ 65,270,480 | |
| 23435 | Tribes | £ 605,556 | |
| 23436 | trichomonas | £ 53,660,150 | |
| 23437 | Trick Or Treat | £ 381,063,522 | |
| 23438 | Trickery | £ 4,965,405 | |
| 23439 | Tricks | £ 57,693,424 | |
| 23440 | Trickster | £ 934,403 | |
| 23441 | TrickstersGirl | £ 4,421,533 | |
| 23442 | Tricky Inc | £ 312,099 | |
| 23443 | TriCoMoon | £ 3,499,244 | |
| 23444 | Trident | £ 185,815,436 | |
| 23445 | Triflex Studios | £ 1,890,437 | |
| 23446 | Triforce Technologies | £ 62,658,328 | |
| 23447 | Triforce Ventures | £ 3,109,022 | |
| 23448 | trigga | £ 5,501,257 | |
| 23449 | Trigger Happy TV | £ 64,164,302 | |
| 23450 | Triggers Broom | £ 89,158,366 | |
| 23451 | trikadoc ent | £ 1,325,668 | |
| 23452 | Trilateral Commission | £ 186,675,837 | |
| 23453 | Trinitrotoluene | £ 3,530,809 | |
| 23454 | Trinitrotoluene INC | £ 255,455,275 | |
| 23455 | Trinkets plus | £ 8,378,386 | |
| 23456 | Triple | £ 5,224,648 | |
| 23457 | Triple X Corp | £ 56,715,793 | |
| 23458 | Tripoli | £ 306,195,358 | |
| 23459 | Trippin | £ 22,850,724 | |
| 23460 | Triton Psychedelics | £ 1,559,120 | |
| 23461 | Triumph Holdings | £ 53,396,223 | |
| 23462 | Triumvirate | £ 7,729,029 | |
| 23463 | Trivia | £ 453,690,566 | |
| 23464 | Trixies Treats | £ 50,000 | |
| 23465 | Troglodyte LTD | £ 50,000 | |
| 23466 | Trogs | £ 6,235,872 | |
| 23467 | Trojan | £ 791,880,233 | |
| 23468 | Troll Bombings | £ 94,823,633 | |
| 23469 | Trollaris | £ 4,793,390 | |
| 23470 | Trollheim | £ 48,956,747 | |
| 23471 | Trolling | £ 57,211,849 | |
| 23472 | Trollolol | £ 3,547,461 | |
| 23473 | Trolls | £ 54,025,363 | |
| 23474 | trooper | £ 337,223,772 | |
| 23475 | Troops | £ 204,033,532 | |
| 23476 | Trop Space | £ 2,140,130,898 | |
| 23477 | Tropica | £ 4,394,369 | |
| 23478 | Tropico 2 | £ 56,381 | |
| 23479 | Tropolis | £ 16,977,687 | |
| 23480 | Tror | £ 43,278,856 | |
| 23481 | Troter international | £ 50,000 | |
| 23482 | Trotters | £ 10,544,759 | |
| 23483 | Trotters inc | £ 13,957,991 | |
| 23484 | Trotters Ind Trading | £ 162,600,930 | |
| 23485 | Trotters independent tra | £ 10,506,312 | |
| 23486 | Trotters international | £ 13,260,602 | |
| 23487 | Trotters trading | £ 1,233,217,672 | |
| 23488 | Troubble | £ 133,354,101 | |
| 23489 | Troubblesome | £ 216,163,132 | |
| 23490 | Trouble | £ 171,082,605 | |
| 23491 | TROUBLE 3 | £ 322,937,028 | |
| 23492 | Trouble Again | £ 574,246,933 | |
| 23493 | trouble ahead | £ 342,910,863 | |
| 23494 | Trouble Inc | £ 11,653,378 | |
| 23495 | Trouble Town | £ 83,226,921 | |
| 23496 | Trouble While You Sleep | £ 1,376,196,087 | |
| 23497 | Troubled Waters | £ 337,266,459 | |
| 23498 | Troubles | £ 453,588,391 | |
| 23499 | trout | £ 3,458,234 | |
| 23500 | TroviNation Enterprises | £ 4,050,572 | |
