The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 18201 | Town Crazy | £ 2,236,822 | |
| 18202 | Town Feeder | £ 61,055,924 | |
| 18203 | town land | £ 5,182,365 | |
| 18204 | Townie 1 | £ -1,319,241 | |
| 18205 | Townie 2 | £ 4,017,878 | |
| 18206 | Townie 3 | £ 160,122 | |
| 18207 | Townie 4 | £ 2,836,325 | |
| 18208 | Townie 5 | £ 5,043,833 | |
| 18209 | Townie 6 | £ 265,306 | |
| 18210 | towns | £ -524,341 | |
| 18211 | townsville | £ 129,109,395 | |
| 18212 | Townsville Common | £ 209,703,547 | |
| 18213 | Townsville Commons | £ 12,104,614 | |
| 18214 | toxic sweets | £ 698,330 | |
| 18215 | Toxic Waste | £ 55,314,682 | |
| 18216 | ToxicWater | £ 17,180,645 | |
| 18217 | toy soldiers | £ 545,762,599 | |
| 18218 | toyd enterprises | £ 53,559,287 | |
| 18219 | toys | £ 380,266,738 | |
| 18220 | Toys R Us | £ 5,499,591 | |
| 18221 | TP Industries | £ 197,172,010 | |
| 18222 | Tr0uble | £ 3,408,243 | |
| 18223 | TR1 | £ 228,083,028 | |
| 18224 | Track | £ 43,897 | |
| 18225 | Tractor Boys | £ 22,406,054 | |
| 18226 | Tradex | £ 18,448,041 | |
| 18227 | Trading Post Industries | £ 142,764,231 | |
| 18228 | Traffic | £ 33,904,645 | |
| 18229 | Traffiking Party | £ 21,580,986 | |
| 18230 | Tragically Hip | £ 4,541,580 | |
| 18231 | Trail | £ 170,043,752 | |
| 18232 | Trailer Trash | £ 17,690,123 | |
| 18233 | Train | £ 85,448,194 | |
| 18234 | Trainers | £ 1,235,681 | |
| 18235 | Trainwreck | £ 143,553,873 | |
| 18236 | Traitor Enterprises | £ 6,387,793 | |
| 18237 | tramps | £ 4,249,848 | |
| 18238 | tramps rus | £ 50,000 | |
| 18239 | trampy | £ 4,746,602 | |
| 18240 | Trance | £ 31,053,935 | |
| 18241 | Tranqualities | £ 1,054,515,026 | |
| 18242 | Tranquility | £ 61,617,255 | |
| 18243 | TranServ | £ 812,427 | |
| 18244 | TRANSFERED MONEY | £ 87,625,632 | |
| 18245 | Transformers | £ 837,883,763 | |
| 18246 | Transport | £ 65,944,682 | |
| 18247 | Transporter Bv | £ 3,417,363 | |
| 18248 | Transylvannia | £ 16,349,535 | |
| 18249 | Trap Inc | £ 159,655,023 | |
| 18250 | Trash Co | £ 938,746 | |
| 18251 | Trashbag Gang | £ 125,514,548 | |
| 18252 | Travel lodge | £ 10,975,777 | |
| 18253 | Travellers Cheques | £ 178,002,217 | |
| 18254 | travis perkins | £ 63,203 | |
| 18255 | traviscityindustires | £ 493,900 | |
| 18256 | travisdogandco | £ 50,000 | |
| 18257 | Treachery | £ 59,315,232 | |
| 18258 | Treacle | £ 5,500,530 | |
| 18259 | Treacle Mining Inc. | £ 61,103,035 | |
| 18260 | Treacle Mining Ltd | £ 50,000 | |
| 18261 | Treacle Tart | £ 4,355,630 | |
| 18262 | Treasure | £ 57,810,180 | |
| 18263 | Tree Fellers | £ -1,919 | |
| 18264 | Tree1 | £ 3,735,610 | |
| 18265 | TreeFellas LTD | £ 1,234,382 | |
| 18266 | Treehorn Production inc | £ 732,257 | |
| 18267 | Trembler | £ 218,082,732 | |
| 18268 | Tremont-U | £ 4,517,548 | |
| 18269 | tremor | £ 3,657,431 | |
| 18270 | tremper | £ 6,867,566 | |
| 18271 | tremper14 | £ 590,827 | |
| 18272 | Tremper5 | £ 1,595,170 | |
| 18273 | Tremper514 | £ 2,209,187 | |
| 18274 | Tremper55 | £ 2,088,959 | |
| 18275 | Trevor Philips Enterpris | £ 505,264,845 | |
| 18276 | treyui | £ 50,000 | |
| 18277 | Trial and Error | £ 5,503,869 | |
| 18278 | Trial of da weak | £ -714,569 | |
| 18279 | triangle tabel | £ 22,520,260 | |
| 18280 | Triangles | £ 4,772,454 | |
| 18281 | Tribal | £ 17,956,779 | |
| 18282 | Tribbleton | £ -48,897,651 | |
| 18283 | Tribecastanza | £ 65,270,480 | |
| 18284 | Tribes | £ 605,556 | |
| 18285 | trichomonas | £ 53,660,150 | |
| 18286 | Trickery | £ 4,965,405 | |
| 18287 | Tricks | £ 57,693,424 | |
| 18288 | Trickster | £ 934,403 | |
| 18289 | TrickstersGirl | £ 4,421,533 | |
| 18290 | Tricky Inc | £ 312,099 | |
| 18291 | TriCoMoon | £ 3,499,244 | |
| 18292 | Trident | £ 185,815,436 | |
| 18293 | Triflex Studios | £ 1,890,437 | |
| 18294 | Triforce Technologies | £ 62,658,328 | |
| 18295 | trigga | £ 5,501,257 | |
| 18296 | Trigger Happy TV | £ 64,164,302 | |
| 18297 | trikadoc ent | £ -2,621,474 | |
| 18298 | Trilateral Commission | £ 186,675,837 | |
| 18299 | Trinitrotoluene | £ 3,530,809 | |
| 18300 | Trinkets plus | £ 8,206,487 | |
