The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 14201 | Misadventure | £ 48,337,498 | |
| 14202 | Misanthropy Inc | £ 35,458,218 | |
| 14203 | MISC | £ 117,078,987 | |
| 14204 | Miscalculation | £ 206,972,042 | |
| 14205 | Mischief | £ 434,575,142 | |
| 14206 | Misconduct | £ 114,692,713 | |
| 14207 | Misery Publishing | £ 59,419,185 | |
| 14208 | Misfit | £ 52,650,253 | |
| 14209 | Misfortune | £ 188,798,028 | |
| 14210 | Mish Mash | £ 357,712,302 | |
| 14211 | Misinterpretation | £ 486,461 | |
| 14212 | Miss Bitch bombers | £ 4,512,007 | |
| 14213 | MissFubar PLC | £ 31,726,370 | |
| 14214 | missile command | £ 363,500,728 | |
| 14215 | Missile Inc | £ 37,431,256 | |
| 14216 | Missiles Incorporated | £ 1,859,206 | |
| 14217 | missing a toe | £ 93,592,827 | |
| 14218 | Mission | £ 166,801,144 | |
| 14219 | Mission Survive | £ 114,950,288 | |
| 14220 | Missionary | £ 72,118,701 | |
| 14221 | Mississippi | £ 5,500,599 | |
| 14222 | Mississippi Burning | £ 47,665,328 | |
| 14223 | Mississippi Dreams | £ 269,344,047 | |
| 14224 | Mississippi Inc | £ 5,281,962 | |
| 14225 | MississippiMusic | £ 2,811,899 | |
| 14226 | MissMikka | £ 79,369,949 | |
| 14227 | MISSOURI | £ 1,148,314,366 | |
| 14228 | Missouri Belle | £ 83,454,986 | |
| 14229 | Missyxx | £ 50,000 | |
| 14230 | Mistake | £ 1,937,719,857 | |
| 14231 | Mistake Not | £ 4,245,817,468 | |
| 14232 | Mistaken Identity | £ 109,775,714 | |
| 14233 | mistaken yidentit | £ 20,847,058 | |
| 14234 | Mistakes | £ 24,462,673 | |
| 14235 | mister | £ 15,343,639 | |
| 14236 | Mister Mister | £ 25,037,060 | |
| 14237 | Mistree | £ 50,000 | |
| 14238 | Misty | £ 17,109,335 | |
| 14239 | Mitchell Ltd | £ -2,115,101 | |
| 14240 | Mitchell Ltd2 | £ -1,529,234 | |
| 14241 | Mitchell Ltd3 | £ 5,496,523 | |
| 14242 | Mitchell Ltd4 | £ 4,625,817 | |
| 14243 | Mithandir | £ 398,278,073 | |
| 14244 | Mitigate | £ 3,980,739 | |
| 14245 | Mitigating Circumstances | £ 162,513,039 | |
| 14246 | Mitres | £ 684,354,522 | |
| 14247 | Mixed Reviews | £ 5,510,398 | |
| 14248 | Mizuko Holdings | £ 50,000 | |
| 14249 | MJHCo. | £ 81,836,520 | |
| 14250 | MJI | £ 5,141,163 | |
| 14251 | MJII | £ 1,514,759 | |
| 14252 | MJIII | £ 1,341,503 | |
| 14253 | MJIV | £ 334,370 | |
| 14254 | MJJ Incorporated | £ 1,023,622,671 | |
| 14255 | MJLee | £ 12,045,209 | |
| 14256 | MJM 2 | £ 50,000 | |
| 14257 | MJM Games | £ 921,860 | |
| 14258 | Mjolnir | £ 8,392,123,789 | |
| 14259 | MK II | £ 50,000 | |
| 14260 | MK Ultra | £ -17,913,353 | |
| 14261 | Mk11 | £ 182,096,165 | |
| 14262 | MkIII Industries | £ 5,121,147 | |
| 14263 | MKL | £ 4,926,291,030 | |
| 14264 | mkyumku | £ 1,322,486 | |
| 14265 | mlawenterprise | £ 206,267,702 | |
| 14266 | mlawenterprises | £ 74,433,740 | |
| 14267 | MLH Industries | £ 31,163,815 | |
| 14268 | MLM | £ 26,197,474,361 | |
| 14269 | MLM Group | £ 153,402,015 | |
| 14270 | MM Holdings | £ 1,962,369,394 | |
| 14271 | MM Holdings 2 | £ 82,882,983 | |
| 14272 | MM Holdings 3 | £ 88,081,573 | |
| 14273 | MM Holdings 4 | £ 83,944,499 | |
| 14274 | MMA | £ 14,208,696 | |
| 14275 | MMI | £ 3,194,811 | |
| 14276 | MMI Holdings | £ 2,450,207 | |
| 14277 | MMI2 | £ 4,617,014 | |
| 14278 | MMI3 | £ 161,241 | |
| 14279 | mmmHHHMmm | £ 1,268,288 | |
| 14280 | MMMM CAKE | £ 11,700,419 | |
| 14281 | MMORPG | £ 386,202,529 | |
| 14282 | MMS | £ 728,736 | |
| 14283 | MN Painting | £ 69,865,838 | |
| 14284 | mnb | £ 5,869,704 | |
| 14285 | MNGA | £ -591,189 | |
| 14286 | Mo Alba | £ 497,470,179 | |
| 14287 | Moa Gu | £ 45,101,624 | |
| 14288 | moarbkup | £ 5,508,731 | |
| 14289 | moarCarparks | £ 5,546,279 | |
| 14290 | MOASS | £ 10,968,075 | |
| 14291 | Mob Life Inc | £ 5,489,924 | |
| 14292 | Mob Mentality | £ 3,456,883 | |
| 14293 | Mob Rule | £ 187,313,616 | |
| 14294 | Mobbin Service | £ 37,804,870 | |
| 14295 | MobLand | £ 36,556,301 | |
| 14296 | Mochrum | £ 995,682,994 | |
| 14297 | Mockingbird Heights | £ 249,748,850 | |
| 14298 | Mod786 | £ 28,058,765 | |
| 14299 | Mod7866 | £ 5,631,868 | |
| 14300 | model | £ 126,900,274 | |
