The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 22501 | The Machinist | £ 126,975,996 | |
| 22502 | The Mack | £ 1,121,760,519 | |
| 22503 | The Mad | £ 36,165,963 | |
| 22504 | The Mad House | £ 51,706,990 | |
| 22505 | the madman | £ 58,693,331 | |
| 22506 | The Mafia | £ 117,704,083 | |
| 22507 | The Magic Castle | £ 136,600,825 | |
| 22508 | The Magic Dog | £ 5,253,060 | |
| 22509 | The Magic Roundabout | £ 39,228,536 | |
| 22510 | The Magic Smoke | £ 144,682,023 | |
| 22511 | The Magic Torch | £ 473,241,474 | |
| 22512 | The Magical Forest | £ 86,898,264 | |
| 22513 | The Magician | £ 809,968,819 | |
| 22514 | The Maginot Line | £ 188,719,834 | |
| 22515 | The Magna Carta | £ 344,369,982 | |
| 22516 | The Mainstream | £ 774,545,072 | |
| 22517 | The Majestic Clown | £ 560,094,074 | |
| 22518 | The Major | £ 6,700,434 | |
| 22519 | The malevolence | £ 139,044,065 | |
| 22520 | the Manhattan Company | £ 1,639,178,951 | |
| 22521 | The Manhattan Project | £ 83,130,996 | |
| 22522 | The Manor | £ 1,197,203,714 | |
| 22523 | the manta | £ 276,055,997 | |
| 22524 | The Manx Express | £ 249,940,164 | |
| 22525 | The Many | £ 346,596,399 | |
| 22526 | The Marathon inc. | £ 129,600,183 | |
| 22527 | The Mask | £ 176,042,378 | |
| 22528 | THE MASSES | £ 645,920,385 | |
| 22529 | The Master Baker | £ 6,896,521 | |
| 22530 | The Matress Co. | £ 100,399,840 | |
| 22531 | The Matrix | £ 11,485,333 | |
| 22532 | The Matrix Reloaded | £ 14,205,259 | |
| 22533 | The Matter | £ 2,873,644,737 | |
| 22534 | The Maya | £ 339,027,331 | |
| 22535 | The Mayan Civilization | £ 238,808,712 | |
| 22536 | The Mayans | £ 11,762,395 | |
| 22537 | The Meaty Mallet | £ 219,748,066 | |
| 22538 | The Mechanic | £ 29,008,647 | |
| 22539 | The Medellin Cartel | £ 1,077,713,433 | |
| 22540 | The Mega Ship | £ 242,076,377 | |
| 22541 | The Melon Patch | £ 1,062,744,626 | |
| 22542 | The Meme | £ 1,565,699 | |
| 22543 | The Memphis Belle | £ 690,810,086 | |
| 22544 | the Menacing Tomatoes | £ 86,673,776 | |
| 22545 | The Mental Retards | £ 98,167,935 | |
| 22546 | The Merchant Fleet 01 | £ 25,009,697 | |
| 22547 | The Merchant Fleet 02 | £ 45,019,303 | |
| 22548 | The Merchant Fleet 03 | £ 29,966,027 | |
| 22549 | The Merchant Fleet 04 | £ 34,753,571 | |
| 22550 | The Merchant Fleet 05 | £ 9,278,122 | |
| 22551 | The Merchant Fleet 06 | £ 37,434,556 | |
| 22552 | The Merchant Fleet 07 | £ 45,301,340 | |
| 22553 | The Merchant Fleet 08 | £ 35,676,110 | |
| 22554 | The Merchant Fleet 09 | £ 25,841,555 | |
| 22555 | The Merchant Fleet 10 | £ 33,125,233 | |
| 22556 | the merciless | £ 54,993,376 | |
| 22557 | The Merovingian | £ 1,067,192 | |
| 22558 | The Merry Lynchmen | £ 6,347,929 | |
| 22559 | The Merry-men | £ 7,761,231,290 | |
| 22560 | The Miami Heat | £ 277,397,071 | |
| 22561 | the Microscope | £ 380,012,421 | |
| 22562 | the Middle East | £ 4,349,219 | |
| 22563 | The Middle Lane | £ 33,778,417 | |
| 22564 | The Middle-Ages | £ 5,431,112,091 | |
| 22565 | The Midnight Dragon | £ 479,640,806 | |
| 22566 | The Midnight Gardener | £ 8,093,409 | |
| 22567 | The Mighty Mississippi | £ 60,039,958 | |
| 22568 | The Mighty One | £ 2,070,018,210 | |
| 22569 | The Mile High Club | £ 1,725,013,727 | |
| 22570 | The Milestone | £ 23,704,110 | |
| 22571 | the Militia Immaculata | £ 1,016,217,551 | |
| 22572 | The Milkmans Eye | £ 10,437,798 | |
| 22573 | The Mill | £ 361,225,502 | |
| 22574 | The Millenium | £ 396,179,756 | |
| 22575 | the Millers Son | £ 6,350,555,600 | |
| 22576 | The Mind | £ -166,243 | |
| 22577 | The Mirage | £ 44,772,935 | |
| 22578 | The Mob | £ 2,338,184 | |
| 22579 | The Mog Station | £ 81,096,071 | |
| 22580 | The Mohicans | £ 71,658,887 | |
| 22581 | the Mole People | £ 58,738,078 | |
| 22582 | the molly maguires | £ 662,415,023 | |
| 22583 | The Moment | £ 682,279,892 | |
| 22584 | The Mona Lisa | £ 5,502,730 | |
| 22585 | The Monarchy | £ 150,682,640 | |
| 22586 | the money | £ 132,791,348 | |
| 22587 | The Money Bin | £ 54,577,164 | |
| 22588 | The Money Corporation | £ 10,985,764 | |
| 22589 | The Mongol Horde | £ 2,248,823,987 | |
| 22590 | THE MONKEY | £ 27,480,751 | |
| 22591 | The month | £ 14,421,171 | |
| 22592 | The Montmartre | £ 6,136,112 | |
| 22593 | the Moody Goose | £ 217,282,144 | |
| 22594 | The Moon | £ 59,386,228 | |
| 22595 | the moon incorporated | £ 5,552,241 | |
| 22596 | The Moon Is | £ 168,468,503 | |
| 22597 | The Mooninites | £ 319,378,624 | |
| 22598 | The Moonriders | £ 208,782,443 | |
| 22599 | the moons | £ 11,774,272 | |
| 22600 | The Moose is Loose | £ 39,957,517 | |
