The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 21501 | Tammany Hall | £ 1,206,731 | |
| 21502 | Tamo | £ 86,608,599 | |
| 21503 | Tampa Bay | £ 52,955,001 | |
| 21504 | Tampax | £ 47,018,625 | |
| 21505 | Tamriel | £ 2,316,949,732 | |
| 21506 | Tan | £ 153,285,654 | |
| 21507 | Tan LTD | £ 4,183,958 | |
| 21508 | tandes | £ 50,000 | |
| 21509 | Tandy Man | £ 6,872,137 | |
| 21510 | tanfastic | £ 50,000 | |
| 21511 | Tangled | £ 186,381,868 | |
| 21512 | tango foxtrot 69er | £ 78,324,591 | |
| 21513 | TangoWarriors | £ 1,387,239 | |
| 21514 | tank | £ 597,189,577 | |
| 21515 | Tank007 | £ 9,490,680 | |
| 21516 | Tank01 | £ 77,825,900 | |
| 21517 | Tank02 | £ 28,444,405 | |
| 21518 | Tank03 | £ 153,441,625 | |
| 21519 | Tank04 | £ 46,265,661 | |
| 21520 | Tank05 | £ 56,207,453 | |
| 21521 | Tanked and Spanked | £ 112,900 | |
| 21522 | tanker1bhd | £ 106,944,514 | |
| 21523 | Tanker2bhd | £ 129,439,224 | |
| 21524 | tankie | £ 10,827,654 | |
| 21525 | Tanks | £ 155,434 | |
| 21526 | Tannach | £ 1,092,962,973 | |
| 21527 | TANSTAAFL | £ 1,375,213,382 | |
| 21528 | Tantalus | £ 1,161,813,840 | |
| 21529 | Tantrum | £ 1,516,394,857 | |
| 21530 | Tantrum Approach | £ 715,390,773 | |
| 21531 | Tantrums | £ 131,756,841 | |
| 21532 | Tanuki Paunch | £ 5,866,594 | |
| 21533 | Tanz Corporation | £ 3,266,045,912 | |
| 21534 | TAO | £ 225,735,590 | |
| 21535 | TAPAH XIN RESTAURANT | £ 50,000 | |
| 21536 | TAPAHXINRESTAURANT | £ 50,000 | |
| 21537 | Tapestry | £ 422,258,427 | |
| 21538 | Tappytap | £ 11,288,431 | |
| 21539 | Taps | £ 363,265,959 | |
| 21540 | taps being left on | £ 70,033,654 | |
| 21541 | Tardis | £ 58,842,093 | |
| 21542 | Targets | £ 276,047,517 | |
| 21543 | Targoid | £ 2,877,529,598 | |
| 21544 | Tartan Paint | £ 51,482,594 | |
| 21545 | Tartan Trews | £ 1,168,521,509 | |
| 21546 | Tartco London Ltd | £ 5,434,536 | |
| 21547 | Tarth | £ 210,977,130 | |
| 21548 | Taskforce141 | £ 10,354,196 | |
| 21549 | Tasmania | £ 40,733,307 | |
| 21550 | Taste | £ 16,718,636 | |
| 21551 | Tastic | £ 4,511,339 | |
| 21552 | Tastina | £ 64,629,538 | |
| 21553 | tasty | £ 992,375 | |
| 21554 | Tasty Freeze | £ 74,090,916 | |
| 21555 | Tat | £ 154,515,242 | |
| 21556 | Tatertot Assault Weapons | £ 4,665,936 | |
| 21557 | tatters | £ 64,935,201 | |
| 21558 | Tatties | £ 248,483,647 | |
| 21559 | Tattoo Ink | £ 3,083,125,294 | |
| 21560 | Tattoo_Shop | £ 89,739,015 | |
| 21561 | Tatvar Cyclone | £ 81,066,937 | |
| 21562 | taunt | £ 7,776,428 | |
| 21563 | Tautology Club | £ 1,291,539 | |
| 21564 | Tavares | £ 75,897,156 | |
| 21565 | Tax | £ 76,069,671 | |
| 21566 | Tax Audit | £ 57,686,608 | |
| 21567 | Tax Efficiency Services | £ 1,117,978,230 | |
| 21568 | Tax Evasion | £ 1,121,058,853 | |
| 21569 | Taxes | £ 33,039,256 | |
| 21570 | taylor | £ 57,725,669 | |
| 21571 | Taylor Anderson | £ 6,345,171 | |
| 21572 | Taylor Made | £ 197,379,107 | |
| 21573 | Taylormade | £ 214,943,589 | |
| 21574 | Taylors | £ 113,786,421 | |
| 21575 | Taylors Eyes | £ 36,989,936 | |
| 21576 | Tazmanian devil | £ 3,461,509 | |
| 21577 | TC Enterprize | £ 22,024,282 | |
| 21578 | TC1 RZ | £ 32,017,298 | |
| 21579 | Tchidas Pitas | £ 410,871 | |
| 21580 | Tchumbit | £ 1,150,657 | |
| 21581 | TCI | £ 1,172,358,970 | |
| 21582 | TCI Co Ltd | £ 154,000,000 | |
| 21583 | TCR | £ 35,127,809,305 | |
| 21584 | TCS | £ 16,509,704 | |
| 21585 | TD Canada Trust | £ 69,617,213 | |
| 21586 | TD Enterprises | £ 19,970,299 | |
| 21587 | TD2 | £ 5,402,272 | |
| 21588 | TDAssociates | £ 2,168,752 | |
| 21589 | Tdotbunalot | £ 14,996,644 | |
| 21590 | Tea | £ 5,762,398 | |
| 21591 | Tea and Strumpets | £ 7,430,202 | |
| 21592 | Tea Bag Army | £ -7,093,947 | |
| 21593 | Tea Bag Army2 | £ 8,344,803 | |
| 21594 | Tea Bag Express | £ 102,595,954 | |
| 21595 | Tea Bagging | £ 56,836,721 | |
| 21596 | tea leaves | £ 131,848,131 | |
| 21597 | Teaburns Enterprises | £ 774,061 | |
| 21598 | Teacher | £ 162,057,725 | |
| 21599 | Team | £ 5,201,488 | |
| 21600 | Team 185 | £ 51,001,580 | |
