The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 17501 | Tweedledee | £ 84,897,492 | |
| 17502 | Tweedledum | £ 84,820,290 | |
| 17503 | Twelve | £ 467,750,019 | |
| 17504 | twelvendcamp | £ 267,737,246 | |
| 17505 | Twenty Third | £ 63,745,144 | |
| 17506 | Twenty-five Gentlemen | £ 692,209 | |
| 17507 | TwentyFourSeven | £ 58,691,002 | |
| 17508 | Twerk it | £ 400,458,399 | |
| 17509 | Twickenham | £ 138,676,956 | |
| 17510 | Twiddle | £ 14,009,003 | |
| 17511 | Twilight | £ 1,461,863,554 | |
| 17512 | Twinkies for all | £ 24,112 | |
| 17513 | Twinkle | £ 457,510,058 | |
| 17514 | Twist of the year | £ 681,432 | |
| 17515 | Twisted | £ 35,752 | |
| 17516 | Twisted Animator | £ 5,503,777 | |
| 17517 | Twisted Enterprises | £ 52,132 | |
| 17518 | Twisted fire starter | £ 206,657,201 | |
| 17519 | Twisted Fish | £ -11,071,126 | |
| 17520 | Twisted Metal | £ 11,418,574 | |
| 17521 | TwistedFish | £ 14,610,376 | |
| 17522 | Twister | £ 5,505,931 | |
| 17523 | twisterInc. | £ 166,161,824 | |
| 17524 | Twisties Corp | £ 3,669,589 | |
| 17525 | Twisties Ltd | £ 4,414,983 | |
| 17526 | £ 43,588,913 | ||
| 17527 | Two | £ 1,818,308 | |
| 17528 | Two Cities | £ 5,612,072 | |
| 17529 | Two Evils | £ 334,786,311 | |
| 17530 | Two Feet | £ 5,501,051 | |
| 17531 | Two Halves | £ 5,297,466 | |
| 17532 | Two Hands | £ 62,969,968 | |
| 17533 | Two Legs | £ 5,500,728 | |
| 17534 | Two Legs i | £ 57,524,727 | |
| 17535 | Two Nets | £ 529,241,762 | |
| 17536 | two things | £ 4,114,122 | |
| 17537 | Two United | £ 61,233,373 | |
| 17538 | two2 | £ 3,048,744 | |
| 17539 | Twoddle | £ 11,666,392 | |
| 17540 | twoster | £ 48,803,749 | |
| 17541 | Tybalt | £ 50,000 | |
| 17542 | Tycoon | £ 6,696,445,176 | |
| 17543 | tycoons r us | £ 64,563,925 | |
| 17544 | Tylenol | £ 57,531,505 | |
| 17545 | Tyme | £ 268,340,974 | |
| 17546 | Tyneside | £ 99,909,699 | |
| 17547 | Type r | £ 257,213,277 | |
| 17548 | TypeItUp | £ 5,501,680 | |
| 17549 | Typhoon Arms | £ 319,000 | |
| 17550 | Tyr | £ 4,529,881 | |
| 17551 | Tyranny | £ 5,499,427 | |
| 17552 | Tyranny INC | £ 5,741,345 | |
| 17553 | Tyranny INC. | £ 304,923 | |
| 17554 | Tyranny XL | £ 704,907,996 | |
| 17555 | Tyrell Corp | £ 4,849,546 | |
| 17556 | Tyrion Lannister | £ 59,039,366 | |
| 17557 | Tzu | £ 7,965,942 | |
| 17558 | U m b r e l l a | £ 131,487,616 | |
| 17559 | U WOT M8 | £ 95,017,853 | |
| 17560 | U.S. Supreme Court | £ 228,795,141 | |
| 17561 | UA Worldwide | £ -59,899 | |
| 17562 | uare | £ -51,550 | |
| 17563 | Uberfarcacorp | £ 50,000 | |
| 17564 | UberPooch INC | £ 7,864,622 | |
| 17565 | UberPooch INC. | £ 6,717,159 | |
| 17566 | UberPooch LTD | £ 9,401,578 | |
| 17567 | UberPooch LTD. | £ 7,520,328 | |
| 17568 | UberPooch. LTD | £ 5,975,169 | |
| 17569 | Ubhumidia Hollop | £ 115,579,850 | |
| 17570 | UBS AG | £ 1,737,703 | |
| 17571 | Uck Limited | £ 5,069,213 | |
| 17572 | Uckham Limited | £ 5,355,912 | |
| 17573 | Uckham Ltd | £ 2,207,965 | |
| 17574 | Udders | £ 19,215,415 | |
| 17575 | UFOs Over Michigan | £ 6,179,669 | |
| 17576 | Ugh | £ 2,400,366 | |
| 17577 | ugipickle | £ 208,304 | |
| 17578 | ugk industries | £ 50,000 | |
| 17579 | Uglykidjoe | £ 85,018,438 | |
| 17580 | uglykidjoes | £ 2,027,762 | |
| 17581 | Uh-oh | £ 217,704,991 | |
| 17582 | UKIP | £ 101,644,794 | |
| 17583 | Ukraine | £ 106,968,751 | |
| 17584 | UKUS | £ -25,450,113 | |
| 17585 | UKUS IV | £ 4,218,744 | |
| 17586 | UKVI Emmigration | £ 54,188,226 | |
| 17587 | Ukyfgv | £ 3,882,746 | |
| 17588 | ukyfgv01 | £ 34,699,304 | |
| 17589 | ULB | £ 522,744 | |
| 17590 | Uldor | £ 38,852,792 | |
| 17591 | UltiDownloader | £ 50,000 | |
| 17592 | ultimate poker | £ 59,416,513 | |
| 17593 | Ultra | £ 1,475,121 | |
| 17594 | Ultralite | £ 57,475,641 | |
| 17595 | ultraphoenix | £ 47,834,051 | |
| 17596 | Ultron | £ 81,549,169 | |
| 17597 | Ultron 2 | £ 68,236,657 | |
| 17598 | Ultron 3 | £ 79,351,341 | |
| 17599 | Ultron 4 | £ 91,359,037 | |
| 17600 | Ultron 5 | £ 54,564,321 | |
