The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 24201 | toon4 | £ 6,735,419 | |
| 24202 | Toons Security | £ 9,398,725 | |
| 24203 | Toontown Justice | £ 34,088,107 | |
| 24204 | tooo | £ 12,667,642 | |
| 24205 | Toot Toot Train | £ 26,470,469 | |
| 24206 | Tooth decay | £ 67,841 | |
| 24207 | toothy | £ 89,244,948 | |
| 24208 | Tooting Entertainment | £ 207,096,492 | |
| 24209 | tootjpick | £ 108,701,101 | |
| 24210 | Toots INC | £ 50,000 | |
| 24211 | Top | £ 1,990,609 | |
| 24212 | TOP CAT | £ 128,740,108 | |
| 24213 | Top Catz | £ 281,780,569 | |
| 24214 | Top Electrician | £ 106,002,700 | |
| 24215 | Top Gear | £ 44,811,997 | |
| 24216 | Top grumble n grunts | £ -1,218,404 | |
| 24217 | Top Gun | £ 4,203,918,913 | |
| 24218 | Top of The Tree | £ 40,764,422 | |
| 24219 | Top piece | £ 1,372,610,258 | |
| 24220 | Top Secret | £ 487,807,805 | |
| 24221 | Top Soil | £ 1,185,338,804 | |
| 24222 | Top Venus Jo | £ 50,961,582 | |
| 24223 | Top-Catz | £ 433,601,207 | |
| 24224 | Topboys | £ 15,254,549 | |
| 24225 | TopCatz | £ 2,195,881,796 | |
| 24226 | topguns | £ 4,544,838 | |
| 24227 | topic proviso | £ 28,688,119 | |
| 24228 | Toppman | £ 48,283,700 | |
| 24229 | TOPSOIL | £ 396,954,698 | |
| 24230 | Torbay | £ 377,631,006 | |
| 24231 | Torch | £ 7,214,725 | |
| 24232 | Torch Inc | £ 2,031,095 | |
| 24233 | Torchwood | £ 5,179,839 | |
| 24234 | Torgue Manufacturing | £ 236,942,156 | |
| 24235 | Torino | £ 48,685,910 | |
| 24236 | Torment | £ 103,849,089 | |
| 24237 | Tornado Chasers | £ 59,380,778 | |
| 24238 | Tornadoes | £ 5,428,409 | |
| 24239 | toronto | £ 33,339,544 | |
| 24240 | Toronto Blue Jays | £ 83,757,469 | |
| 24241 | Toronto Maple Leafs | £ 38,988,197 | |
| 24242 | Toronto University | £ 37,110,418 | |
| 24243 | Toronto. | £ 33,523,973 | |
| 24244 | Torpedo | £ 7,007,163 | |
| 24245 | Torres | £ 3,882,414 | |
| 24246 | Tortoise Co | £ 1,950,669 | |
| 24247 | Torture | £ 64,156,670 | |
| 24248 | Torture Incorporated | £ 1,383,292 | |
| 24249 | Torture Logistics | £ 1,763,731,398 | |
| 24250 | Tory Business Wing | £ 218,201,676 | |
| 24251 | tosspot | £ 9,197,406 | |
| 24252 | Total Annihilation | £ 5,502,457 | |
| 24253 | Total Chaos | £ 1,407,582 | |
| 24254 | Total Control | £ 70,328,142 | |
| 24255 | Total Destruction | £ 2,841,678 | |
| 24256 | Total Destruction LTD | £ 1,569,432 | |
| 24257 | Total Devastation | £ 186,605 | |
| 24258 | Total Disaster | £ 163,829,064 | |
| 24259 | Total Disruption | £ 146,362,607 | |
| 24260 | Total indifference | £ 225,561,497 | |
| 24261 | Total Recall | £ 50,000 | |
| 24262 | Total War | £ 49,159,345 | |
| 24263 | Totalitarian | £ 13,226,545 | |
| 24264 | Totally not a front | £ -161,887 | |
| 24265 | TottenhamEnforcers | £ 1,532,495 | |
| 24266 | Touch | £ 202,138,732 | |
| 24267 | Tough Guy | £ 279,800,753 | |
| 24268 | Toulouse | £ 124,610,105 | |
| 24269 | tour | £ -2,142,467 | |
| 24270 | tour1 | £ -110,192 | |
| 24271 | tour3 | £ 1,292,470 | |
| 24272 | Towan Beach | £ 1,534,403 | |
| 24273 | Towel | £ 57,522,172 | |
| 24274 | Towels | £ 94,234,024 | |
| 24275 | Tower | £ 8,190,171 | |
| 24276 | Towergate | £ 495,975,663 | |
| 24277 | Town | £ 50,000 | |
| 24278 | Town Crazy | £ 2,236,822 | |
| 24279 | Town Feeder | £ 61,055,924 | |
| 24280 | town land | £ 5,182,365 | |
| 24281 | towns | £ 13,994,032 | |
| 24282 | townsville | £ 129,109,395 | |
| 24283 | Townsville Common | £ 570,929,258 | |
| 24284 | Townsville Commons | £ 12,104,614 | |
| 24285 | Townsville7488 | £ 50,000 | |
| 24286 | Toxic Inc. | £ 16,411,193 | |
| 24287 | toxic sweets | £ 698,330 | |
| 24288 | Toxic Waltz1 | £ 14,655,360 | |
| 24289 | Toxic Waltz2 | £ 11,237,021 | |
| 24290 | Toxic Waltz3 | £ 10,142,415 | |
| 24291 | Toxic Waltz4 | £ 3,480,675 | |
| 24292 | Toxicity | £ 430,993,508 | |
| 24293 | ToxicWater | £ 17,180,645 | |
| 24294 | toy soldiers | £ 600,863,098 | |
| 24295 | toyd enterprises | £ 53,559,287 | |
| 24296 | Toyota | £ 14,240,430 | |
| 24297 | toys | £ 212,878,500 | |
| 24298 | Toys R Us | £ 5,499,591 | |
| 24299 | TP Industries | £ 272,265,670 | |
| 24300 | TPB | £ 70,128,155 | |
