The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 22301 | The Machine | £ 48,997,334 | |
| 22302 | The Machines | £ 4,101,858 | |
| 22303 | The Machinist | £ 126,975,996 | |
| 22304 | The Mack | £ 1,121,760,519 | |
| 22305 | The Mad | £ 36,165,963 | |
| 22306 | The Mad House | £ 51,706,990 | |
| 22307 | the madman | £ 58,693,331 | |
| 22308 | The Mafia | £ 117,704,083 | |
| 22309 | The Magic Castle | £ 136,600,825 | |
| 22310 | The Magic Roundabout | £ 26,301,718 | |
| 22311 | The Magic Smoke | £ 144,676,329 | |
| 22312 | The Magic Torch | £ 473,241,474 | |
| 22313 | The Magical Forest | £ 67,345,489 | |
| 22314 | The Magician | £ 809,968,819 | |
| 22315 | The Maginot Line | £ 188,719,834 | |
| 22316 | The Magna Carta | £ 344,369,982 | |
| 22317 | The Mainstream | £ 774,545,072 | |
| 22318 | The Majestic Clown | £ 560,094,074 | |
| 22319 | The Major | £ 6,700,434 | |
| 22320 | The malevolence | £ 139,044,065 | |
| 22321 | the Manhattan Company | £ 1,639,178,951 | |
| 22322 | The Manhattan Project | £ 83,130,996 | |
| 22323 | The Manor | £ 1,197,203,714 | |
| 22324 | the manta | £ 276,055,997 | |
| 22325 | The Manx Express | £ 249,940,164 | |
| 22326 | The Many | £ 342,898,261 | |
| 22327 | The Marathon inc. | £ 129,600,183 | |
| 22328 | The Mask | £ 176,042,378 | |
| 22329 | THE MASSES | £ 645,920,385 | |
| 22330 | The Master Baker | £ 6,896,521 | |
| 22331 | The Matress Co. | £ 100,399,840 | |
| 22332 | The Matrix | £ 11,485,333 | |
| 22333 | The Matrix Reloaded | £ 14,205,259 | |
| 22334 | The Matter | £ 2,873,644,737 | |
| 22335 | The Maya | £ 339,027,331 | |
| 22336 | The Mayan Civilization | £ 238,808,712 | |
| 22337 | The Mayans | £ 11,762,395 | |
| 22338 | The Meaty Mallet | £ 219,748,066 | |
| 22339 | The Mechanic | £ 65,222,481 | |
| 22340 | The Medellin Cartel | £ 1,077,713,433 | |
| 22341 | The Mega Ship | £ 241,939,063 | |
| 22342 | The Melon Patch | £ 1,060,744,626 | |
| 22343 | The Meme | £ 1,565,699 | |
| 22344 | The Memphis Belle | £ 690,810,086 | |
| 22345 | the Menacing Tomatoes | £ 86,673,776 | |
| 22346 | The Mental Retards | £ 98,167,935 | |
| 22347 | The Merchant Fleet 01 | £ 25,009,697 | |
| 22348 | The Merchant Fleet 02 | £ 45,019,303 | |
| 22349 | The Merchant Fleet 03 | £ 29,966,027 | |
| 22350 | The Merchant Fleet 04 | £ 34,753,571 | |
| 22351 | The Merchant Fleet 05 | £ 9,278,122 | |
| 22352 | The Merchant Fleet 06 | £ 37,434,556 | |
| 22353 | The Merchant Fleet 07 | £ 45,301,340 | |
| 22354 | The Merchant Fleet 08 | £ 35,676,110 | |
| 22355 | The Merchant Fleet 09 | £ 25,841,555 | |
| 22356 | The Merchant Fleet 10 | £ 33,125,233 | |
| 22357 | the merciless | £ 54,993,376 | |
| 22358 | The Merovingian | £ 1,067,192 | |
| 22359 | The Merry Lynchmen | £ 6,347,929 | |
| 22360 | The Merry-men | £ 7,761,231,290 | |
| 22361 | The Miami Heat | £ 277,397,071 | |
| 22362 | the Microscope | £ 398,475,303 | |
| 22363 | the Middle East | £ 4,349,219 | |
| 22364 | The Middle Lane | £ 473,795 | |
| 22365 | The Middle-Ages | £ 5,431,112,091 | |
| 22366 | The Midnight Dragon | £ 479,640,806 | |
| 22367 | The Midnight Gardener | £ 8,093,409 | |
| 22368 | The Mighty Mississippi | £ 60,039,958 | |
| 22369 | The Mighty One | £ 2,070,018,210 | |
| 22370 | The Mile High Club | £ 1,725,013,727 | |
| 22371 | The Milestone | £ 23,704,110 | |
| 22372 | the Militia Immaculata | £ 1,016,217,551 | |
| 22373 | The Milkmans Eye | £ 10,437,798 | |
| 22374 | The Mill | £ 361,225,502 | |
| 22375 | The Millenium | £ 396,179,756 | |
| 22376 | the Millers Son | £ 6,350,555,600 | |
| 22377 | The Mind | £ -166,243 | |
| 22378 | The Mirage | £ 44,772,935 | |
| 22379 | The Mob | £ 2,338,184 | |
| 22380 | The Mog Station | £ 81,096,071 | |
| 22381 | The Mohicans | £ 71,658,887 | |
| 22382 | the Mole People | £ 58,738,078 | |
| 22383 | the molly maguires | £ 662,415,023 | |
| 22384 | The Moment | £ 682,279,892 | |
| 22385 | The Mona Lisa | £ 5,502,730 | |
| 22386 | The Monarchy | £ 150,682,640 | |
| 22387 | the money | £ 132,791,348 | |
| 22388 | The Money Bin | £ 54,577,164 | |
| 22389 | The Money Corporation | £ 10,985,764 | |
| 22390 | The Mongol Horde | £ 2,248,823,987 | |
| 22391 | THE MONKEY | £ 27,480,751 | |
| 22392 | The month | £ 14,421,171 | |
| 22393 | The Montmartre | £ 6,136,112 | |
| 22394 | the Moody Goose | £ 217,282,144 | |
| 22395 | The Moon | £ 59,386,228 | |
| 22396 | the moon incorporated | £ 5,552,241 | |
| 22397 | The Moon Is | £ 167,927,629 | |
| 22398 | The Mooninites | £ 321,477,993 | |
| 22399 | The Moonriders | £ 208,782,443 | |
| 22400 | the moons | £ 11,774,272 | |
