The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 18401 | triangle tabel | £ 22,520,260 | |
| 18402 | Triangles | £ 4,772,454 | |
| 18403 | Tribal | £ 17,956,779 | |
| 18404 | Tribbleton | £ -48,897,651 | |
| 18405 | Tribecastanza | £ 65,270,480 | |
| 18406 | Tribes | £ 605,556 | |
| 18407 | trichomonas | £ 53,660,150 | |
| 18408 | Trickery | £ 4,965,405 | |
| 18409 | Tricks | £ 57,693,424 | |
| 18410 | Trickster | £ 934,403 | |
| 18411 | TrickstersGirl | £ 4,421,533 | |
| 18412 | Tricky Inc | £ 312,099 | |
| 18413 | TriCoMoon | £ 3,499,244 | |
| 18414 | Trident | £ 185,815,436 | |
| 18415 | Triflex Studios | £ 1,890,437 | |
| 18416 | Triforce Technologies | £ 62,658,328 | |
| 18417 | trigga | £ 5,501,257 | |
| 18418 | Trigger Happy TV | £ 64,164,302 | |
| 18419 | trikadoc ent | £ -2,621,474 | |
| 18420 | Trilateral Commission | £ 186,675,837 | |
| 18421 | Trinitrotoluene | £ 3,530,809 | |
| 18422 | Trinkets plus | £ 8,206,487 | |
| 18423 | Triple | £ 5,224,648 | |
| 18424 | Triple X | £ 2,931,494 | |
| 18425 | Triple X Corp | £ 56,715,793 | |
| 18426 | Tripoli | £ 243,643,476 | |
| 18427 | Trippin | £ 22,850,724 | |
| 18428 | Triton Psychedelics | £ 1,559,120 | |
| 18429 | Triumvirate | £ 7,729,029 | |
| 18430 | Trivia | £ 453,690,566 | |
| 18431 | Trixies Treats | £ 50,000 | |
| 18432 | Troglodyte LTD | £ 50,000 | |
| 18433 | Trogs | £ 6,235,872 | |
| 18434 | Trojan | £ 657,128,261 | |
| 18435 | Troll Bombings | £ 5,503,910 | |
| 18436 | Trollaris | £ 4,793,390 | |
| 18437 | Trolling | £ 57,211,849 | |
| 18438 | Trollolol | £ 3,547,461 | |
| 18439 | Trolls | £ 54,025,363 | |
| 18440 | trooper | £ 337,223,772 | |
| 18441 | Trop Space | £ 2,140,130,898 | |
| 18442 | Tropica | £ 4,394,369 | |
| 18443 | TROPICO | £ 1,774,749 | |
| 18444 | Tropico 2 | £ 56,381 | |
| 18445 | Tror | £ 43,278,856 | |
| 18446 | Troter international | £ 50,000 | |
| 18447 | Trotters | £ 5,498,497 | |
| 18448 | Trotters inc | £ 13,957,991 | |
| 18449 | Trotters international | £ 13,260,602 | |
| 18450 | Troubble | £ 133,354,101 | |
| 18451 | Troubblesome | £ 216,163,132 | |
| 18452 | Trouble | £ 171,082,605 | |
| 18453 | TROUBLE 3 | £ 391,602,932 | |
| 18454 | Trouble Inc | £ 11,653,378 | |
| 18455 | Trouble While You Sleep | £ 467,211,735 | |
| 18456 | Troubled Waters | £ 337,266,459 | |
| 18457 | Troubles | £ 59,253,750 | |
| 18458 | Troublesome Child | £ 17,324,426 | |
| 18459 | trout | £ 3,458,234 | |
| 18460 | Troy | £ 216,061,136 | |
| 18461 | Truce | £ 9,139,710 | |
| 18462 | truckers paradise | £ 4,706 | |
| 18463 | Truckin Inc | £ 13,603,438 | |
| 18464 | Trucksss | £ 1,608,350 | |
| 18465 | True Blood | £ 4,304,191 | |
| 18466 | True Evil | £ 120,130,007 | |
| 18467 | True Freedom | £ 331,358,368 | |
| 18468 | True lies | £ 848,394,327 | |
| 18469 | Truffes Fantaisie | £ 50,000 | |
| 18470 | Trump | £ 599,036,587 | |
| 18471 | Trump ENT | £ 2,351,912 | |
| 18472 | Trump ENT2 | £ -22,402,397 | |
| 18473 | Trump ENT3 | £ 13,903,851 | |
| 18474 | Trump ENT4 | £ 58,354,262 | |
| 18475 | Trump It Up | £ 205,455,946 | |
| 18476 | Trump Organization | £ 50,000 | |
| 18477 | Trump Towers | £ 5,651,661 | |
| 18478 | Trumpets | £ 92,470,752 | |
| 18479 | Truncated Icosahedron | £ 179,262,143 | |
| 18480 | Trurez | £ 53,470,958 | |
| 18481 | Truro | £ 343,399,342 | |
| 18482 | Trust | £ 83,138,449 | |
| 18483 | Trusted traders | £ 35,811 | |
| 18484 | Truth | £ 1,927,033,155 | |
| 18485 | trying | £ 777,724,004 | |
| 18486 | Trying to speed up | £ 12,433,612 | |
| 18487 | Trytophan | £ 788,953 | |
| 18488 | TSA Pat Downs | £ 70,132,462 | |
| 18489 | tsunomo | £ 220,729,020 | |
| 18490 | TTL | £ 5,671,245 | |
| 18491 | Tube | £ 638,101,906 | |
| 18492 | Tuck | £ 9,991,773,730 | |
| 18493 | tuckers | £ 44,924 | |
| 18494 | tuckers joint | £ 265,221 | |
| 18495 | tuesday | £ 4,654,255 | |
| 18496 | Tug | £ 232,603,589 | |
| 18497 | Tulli Frutti | £ 9,620,066 | |
| 18498 | Tumble weed | £ 271,092,313 | |
| 18499 | Tumbledown Mountain | £ 1,212,433,120 | |
| 18500 | Tumbleweed Town | £ 57,702,329 | |
