The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 17201 | Tremont-U | £ 4,517,548 | |
| 17202 | tremor | £ 3,657,431 | |
| 17203 | tremper | £ 6,867,566 | |
| 17204 | tremper14 | £ 590,827 | |
| 17205 | Tremper5 | £ 1,595,170 | |
| 17206 | Tremper514 | £ 2,209,187 | |
| 17207 | Tremper55 | £ 2,088,959 | |
| 17208 | Trevor Philips Enterpris | £ 505,264,845 | |
| 17209 | treyui | £ 50,000 | |
| 17210 | Trial and Error | £ 5,503,869 | |
| 17211 | Trial of da weak | £ -714,569 | |
| 17212 | triangle tabel | £ 22,520,260 | |
| 17213 | Triangles | £ 4,772,454 | |
| 17214 | Tribal | £ 17,956,779 | |
| 17215 | Tribbleton | £ -48,897,651 | |
| 17216 | Tribecastanza | £ 65,270,480 | |
| 17217 | Tribes | £ 605,556 | |
| 17218 | trichomonas | £ 53,660,150 | |
| 17219 | Trickery | £ 4,965,405 | |
| 17220 | Tricks | £ 57,693,424 | |
| 17221 | Trickster | £ 934,403 | |
| 17222 | TrickstersGirl | £ 4,421,533 | |
| 17223 | Tricky Inc | £ 312,099 | |
| 17224 | TriCoMoon | £ 3,499,244 | |
| 17225 | Trident | £ 185,815,436 | |
| 17226 | Triflex Studios | £ 1,890,437 | |
| 17227 | Triforce Technologies | £ 62,658,328 | |
| 17228 | trigga | £ 5,501,257 | |
| 17229 | Trigger Happy TV | £ 64,164,302 | |
| 17230 | trikadoc ent | £ -2,621,474 | |
| 17231 | Trilateral Commission | £ 186,675,837 | |
| 17232 | Trinitrotoluene | £ 3,530,809 | |
| 17233 | Trinkets plus | £ 8,206,487 | |
| 17234 | Triple | £ 5,224,648 | |
| 17235 | Triple X | £ 2,931,494 | |
| 17236 | Triple X Corp | £ 56,715,793 | |
| 17237 | Tripoli | £ 78,381,205 | |
| 17238 | Trippin | £ 22,850,724 | |
| 17239 | Triton Psychedelics | £ 1,559,120 | |
| 17240 | Triumvirate | £ 7,729,029 | |
| 17241 | Trivia | £ 453,690,566 | |
| 17242 | Trixies Treats | £ 50,000 | |
| 17243 | Troglodyte LTD | £ 50,000 | |
| 17244 | Trogs | £ 6,235,872 | |
| 17245 | Trojan | £ 163,847,156 | |
| 17246 | Trollaris | £ 4,793,390 | |
| 17247 | Trolling | £ 57,211,849 | |
| 17248 | Trollolol | £ 3,547,461 | |
| 17249 | Trolls | £ 54,025,363 | |
| 17250 | trooper | £ 337,223,772 | |
| 17251 | Trop Space | £ 1,631,915,692 | |
| 17252 | Tropica | £ 4,394,369 | |
| 17253 | TROPICO | £ 41,774,749 | |
| 17254 | Tropico 2 | £ 56,381 | |
| 17255 | Tror | £ 43,278,856 | |
| 17256 | Troter international | £ 50,000 | |
| 17257 | Trotters | £ 5,498,497 | |
| 17258 | Trotters inc | £ 13,957,991 | |
| 17259 | Trotters international | £ 13,260,602 | |
| 17260 | Troubble | £ 133,354,101 | |
| 17261 | Troubblesome | £ 216,163,132 | |
| 17262 | Trouble | £ 171,082,605 | |
| 17263 | TROUBLE 3 | £ 391,602,932 | |
| 17264 | Trouble Inc | £ 11,653,378 | |
| 17265 | Trouble While You Sleep | £ 19,264,985 | |
| 17266 | Troubled Waters | £ 164,203,866 | |
| 17267 | Troubles | £ 59,253,750 | |
| 17268 | Troublesome Child | £ 17,382,426 | |
| 17269 | trout | £ 3,458,234 | |
| 17270 | Troy | £ 216,061,136 | |
| 17271 | Truce | £ 9,139,710 | |
| 17272 | truckers paradise | £ 4,706 | |
| 17273 | Truckin Inc | £ 13,603,438 | |
| 17274 | Trucksss | £ 1,608,350 | |
| 17275 | True Blood | £ 4,304,191 | |
| 17276 | True Evil | £ 120,130,007 | |
| 17277 | True Freedom | £ 269,113,966 | |
| 17278 | True lies | £ 848,394,327 | |
| 17279 | Truffes Fantaisie | £ 50,000 | |
| 17280 | Trump | £ 540,411,358 | |
| 17281 | Trump ENT | £ 2,351,912 | |
| 17282 | Trump ENT2 | £ -22,402,397 | |
| 17283 | Trump ENT3 | £ 13,903,851 | |
| 17284 | Trump ENT4 | £ 58,354,262 | |
| 17285 | Trump It Up | £ 120,101,956 | |
| 17286 | Trump Organization | £ 50,000 | |
| 17287 | Trump Towers | £ 5,651,661 | |
| 17288 | Trumpets | £ 92,470,752 | |
| 17289 | Truncated Icosahedron | £ 179,262,143 | |
| 17290 | Trurez | £ 53,470,958 | |
| 17291 | Truro | £ 234,157,464 | |
| 17292 | Trust | £ 83,138,449 | |
| 17293 | Trusted traders | £ 35,811 | |
| 17294 | Truth | £ 1,927,033,155 | |
| 17295 | trying | £ 353,389,720 | |
| 17296 | Trying to speed up | £ 12,433,612 | |
| 17297 | Trytophan | £ 788,953 | |
| 17298 | TSA Pat Downs | £ 70,132,462 | |
| 17299 | tsunomo | £ 220,729,020 | |
| 17300 | TTL | £ 5,671,245 | |
