The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 13201 | Merciful | £ 60,300,861 | |
| 13202 | Merciless | £ 52,967,252 | |
| 13203 | Merck and Co Inc | £ 55,000,000 | |
| 13204 | Mercurial Holdings | £ 582,180,684 | |
| 13205 | Mercury | £ 82,064,228 | |
| 13206 | Mercy | £ 349,349,131 | |
| 13207 | Mercy Mercy Mercy | £ 8,757,338 | |
| 13208 | Merged Worlds | £ 120,586,114 | |
| 13209 | Mergers and acquisitions | £ 249,407,745 | |
| 13210 | Mergers and Monopolies | £ 848,834,237 | |
| 13211 | Merica | £ 56,698,378 | |
| 13212 | Meridian Marauders | £ 8,494,146 | |
| 13213 | Meritocracy | £ 2,683,718 | |
| 13214 | Merlendari | £ 34,644 | |
| 13215 | Merles Anarchsts | £ 3,733,376 | |
| 13216 | merlin co.uk | £ 334,212,008 | |
| 13217 | Merlot | £ 80,819,049 | |
| 13218 | Meropenem | £ 41,280,976 | |
| 13219 | merple | £ 7,684,303 | |
| 13220 | Mess | £ 100,572,768 | |
| 13221 | Messy | £ 1,228,094 | |
| 13222 | MET | £ 20,898,349 | |
| 13223 | Met Police Service | £ 857,498,506 | |
| 13224 | Meta | £ 392,383,347 | |
| 13225 | Metal | £ 860,393,569 | |
| 13226 | Metal Church | £ 55,040,228 | |
| 13227 | Metal Gear | £ 7,948,377 | |
| 13228 | metal mulisha | £ 49,071,127 | |
| 13229 | METAL MULISHA CO | £ 13,264,672 | |
| 13230 | Metal Redneck | £ 13,953,424 | |
| 13231 | metal redneck co | £ 5,500,897 | |
| 13232 | Metalcore.Ind | £ 5,882,041 | |
| 13233 | Metalit | £ 1,398,496 | |
| 13234 | Metallica | £ 38,420,056 | |
| 13235 | MetallicLatice | £ 273,061 | |
| 13236 | Metantatopy | £ 306,149,463 | |
| 13237 | Metaphorisms | £ 1,402,241,180 | |
| 13238 | Metathoric Chocolates | £ 5,505,012 | |
| 13239 | Meteor | £ 5,109,252 | |
| 13240 | Meteor Shower | £ 891,977,507 | |
| 13241 | Meth | £ 83,666,830 | |
| 13242 | Meth Inq | £ 192,418 | |
| 13243 | methadrine inc. | £ -2,620,751 | |
| 13244 | methane | £ 167,580,714 | |
| 13245 | Method Not Allowed | £ 47,243,050 | |
| 13246 | Methuselah | £ 1,235,104,585 | |
| 13247 | metime | £ 7,016,004 | |
| 13248 | Metrics | £ 5,534,939 | |
| 13249 | metro | £ 326,059,689 | |
| 13250 | Metro Boomin | £ 95,771,371 | |
| 13251 | Metro bucks | £ 116,426,103 | |
| 13252 | Metro News | £ 1,186,988 | |
| 13253 | Metrocity | £ 154,496,934 | |
| 13254 | Metroid | £ 443,103,676 | |
| 13255 | MetroMan | £ 2,205,870 | |
| 13256 | Metropolis | £ 442,481,917 | |
| 13257 | MewMew | £ 3,983,504 | |
| 13258 | Mexican Elf-Fellaters | £ 380,836 | |
| 13259 | Mexico | £ 143,099,228 | |
| 13260 | MFP | £ 50,903,150 | |
| 13261 | MG metal | £ 83,272,537 | |
| 13262 | MGandH | £ 5,503,263 | |
| 13263 | MGM Grand Las Vegas | £ 57,107,896 | |
| 13264 | Mi Socio | £ 238,322,295 | |
| 13265 | MI5 | £ 141,793,336 | |
| 13266 | MI6 | £ 150,488,809 | |
| 13267 | Mi6 Bombers | £ 54,660,779 | |
| 13268 | Mia Culpa | £ 245,079,428 | |
| 13269 | mia lingua italiana | £ 446,549,861 | |
| 13270 | Mia Ventures | £ 261,241,688 | |
| 13271 | Miami | £ 58,175,004 | |
| 13272 | Miami Heat | £ 1,187,523 | |
| 13273 | Micasa | £ 12,867,239 | |
| 13274 | Miccpelt | £ 414,182,779 | |
| 13275 | MicDawnalds | £ 56,263 | |
| 13276 | Mice | £ 54,981,578 | |
| 13277 | Mice and Men | £ 406,351,331 | |
| 13278 | Mice CORP | £ 4,657,778 | |
| 13279 | Mice INC | £ -8,592,908 | |
| 13280 | Mice LTD | £ -1,811 | |
| 13281 | Mice TM | £ -240,470 | |
| 13282 | Michael | £ 1,522,266 | |
| 13283 | Michael Jackson | £ 35,590,097 | |
| 13284 | MichaelUnitedJuggernaut | £ 944,737 | |
| 13285 | Michelangelo | £ 98,916,923 | |
| 13286 | Michelin Mogul | £ 89,056,676 | |
| 13287 | Michigan | £ 83,780,074 | |
| 13288 | Michigan 1 | £ 4,091,450 | |
| 13289 | Mickey Mouse | £ 538,185,324 | |
| 13290 | micks empire | £ 5,500,143 | |
| 13291 | mickstuck | £ 1,595,818 | |
| 13292 | Micky | £ 1,186,247,866 | |
| 13293 | Micoss | £ 50,000 | |
| 13294 | Micro Waves | £ 27,270,073 | |
| 13295 | Microbix | £ 5,230,264 | |
| 13296 | Microboom | £ 43,372,557 | |
| 13297 | Microhard | £ 16,911,150 | |
| 13298 | Microjustice | £ 10,027,147 | |
| 13299 | Microserve | £ 5,974,813 | |
| 13300 | Microsft Enterprises | £ 6,100,321 | |
