The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 10501 | McCon Inc. | £ 82,346,992 | |
| 10502 | McCormick Enterprises | £ 704,217 | |
| 10503 | McDAB | £ 53,108,625 | |
| 10504 | McDonalds | £ 18,885,463 | |
| 10505 | Mcdonalds Corporation | £ 134,518,979 | |
| 10506 | McDonaldsZim | £ 63,176,931 | |
| 10507 | McDumponface | £ 3,660 | |
| 10508 | McFadden | £ -131,571 | |
| 10509 | Mcfc88 | £ 5,201,809 | |
| 10510 | McGarrett | £ 193,129,471 | |
| 10511 | McGeeters | £ 83,681 | |
| 10512 | McGirk Waste Management | £ 2,848,421 | |
| 10513 | MCI Communications | £ 134,374,955 | |
| 10514 | Mckutchen | £ 1,830,803 | |
| 10515 | Mclaren Mercedes | £ 2,778,685 | |
| 10516 | McLovin | £ 2,299,983 | |
| 10517 | mcm | £ 57,999,853 | |
| 10518 | McNasty Burgers | £ 61,139,769 | |
| 10519 | McNuthugger | £ 5,002,136 | |
| 10520 | MCOC | £ 56,966,011 | |
| 10521 | Mcsmash | £ -11,927 | |
| 10522 | MDD Company | £ 34,883,687 | |
| 10523 | MDD3 company | £ 52,874,397 | |
| 10524 | MDD4 company | £ 39,561,399 | |
| 10525 | MDMA | £ 58,653,746 | |
| 10526 | Mdog 4 life | £ 111,028,668 | |
| 10527 | Mdog Enterprises | £ 241,225,148 | |
| 10528 | MDW Business | £ 5,507,240 | |
| 10529 | Me And I | £ 629,795 | |
| 10530 | me corp | £ 2,801,416 | |
| 10531 | Me crack in | £ 131,344,322 | |
| 10532 | me free | £ 367,615,854 | |
| 10533 | Me Only | £ 4,926,881 | |
| 10534 | Me Please | £ 82,095,731 | |
| 10535 | Me Silly | £ 106,123,518 | |
| 10536 | Me to see | £ 62,947,323 | |
| 10537 | Me, Im Counting | £ 4,820,143,977 | |
| 10538 | MEA | £ 356,839,045 | |
| 10539 | Meadow | £ 349,035,541 | |
| 10540 | Meal Time | £ 53,033,234 | |
| 10541 | Mean and Deadly LTD | £ 10,098,464 | |
| 10542 | Mean Electricity Ltd | £ -5,065,941 | |
| 10543 | Mean Machine | £ 174,248,395 | |
| 10544 | Mean Machine 10 | £ 101,887,250 | |
| 10545 | Mean Machine 11 | £ 83,273,024 | |
| 10546 | Mean Machine 12 | £ 24,847,409 | |
| 10547 | Mean Machine 2 | £ 112,632,517 | |
| 10548 | Mean Machine 3 | £ 125,726,960 | |
| 10549 | Mean Machine 4 | £ 180,450,398 | |
| 10550 | Mean Machine 5 | £ 160,955,182 | |
| 10551 | Mean Machine 6 | £ 135,487,477 | |
| 10552 | Mean Machine 7 | £ 104,371,655 | |
| 10553 | Mean Machine 8 | £ 124,950,567 | |
| 10554 | Mean Machine 9 | £ 104,923,716 | |
| 10555 | Meanies | £ 8,065,960 | |
| 10556 | Meaning | £ 261,740,977 | |
| 10557 | meanmoney | £ 288,694 | |
| 10558 | Means | £ 230,485,696 | |
| 10559 | Meastro2 | £ 239,761 | |
| 10560 | Measurement | £ 102,893,591 | |
| 10561 | MEAT | £ 67,857,491 | |
| 10562 | meat locker | £ 4,528,034 | |
| 10563 | Meat Pies | £ 4,217,653 | |
| 10564 | Meat popsticle | £ 18,382,336 | |
| 10565 | meats | £ 504,821,016 | |
| 10566 | MeatSacks LTD | £ 3,245,824 | |
| 10567 | Meatwads Dance Xplosion | £ 14,858,073 | |
| 10568 | mebers^6 | £ 1,012,181 | |
| 10569 | Mechastein | £ 108,302,529 | |
| 10570 | Mechastein Inc | £ 55,690,006 | |
| 10571 | Media Market | £ 31,425,226 | |
| 10572 | Media Player | £ 11,385,898 | |
| 10573 | Medical City | £ 651,146,187 | |
| 10574 | Medicine.Com | £ 184,984,146 | |
| 10575 | Medient | £ 508,983 | |
| 10576 | Mediumship | £ 162,850,423 | |
| 10577 | MedPharm | £ 62,403,617 | |
| 10578 | Medusa | £ 236,184,414 | |
| 10579 | Medwain | £ 110,111,172 | |
| 10580 | Mee | £ 27,657,186 | |
| 10581 | Meeney Corp | £ 9,839,052 | |
| 10582 | Meeny Inc | £ 22,570,987 | |
| 10583 | Meep meep | £ 493,156,074 | |
| 10584 | Meerkat Movies | £ 70,976,024 | |
| 10585 | Meerkats | £ 550,594,543 | |
| 10586 | MEG LTD | £ 23,571 | |
| 10587 | Mega Blox | £ 13,562,484,719 | |
| 10588 | MEGA BUDZ | £ 141,053 | |
| 10589 | Mega Corporation | £ 172,049 | |
| 10590 | Mega Corporations | £ 46,579,095 | |
| 10591 | Mega Mindy | £ 4,096,781 | |
| 10592 | Mega Mullets | £ 317,653,861 | |
| 10593 | MEGA Resources | £ 572,731 | |
| 10594 | Megababy Co. | £ 50,000 | |
| 10595 | Megabucks | £ 111,934 | |
| 10596 | Megacorp | £ 594,680 | |
| 10597 | MEGACUCKxXxPEENLOVER | £ 6,893,653 | |
| 10598 | Megadeth | £ 65,357,403 | |
| 10599 | MegaDeth Mob | £ 61,516,745 | |
| 10600 | MegaloMafia | £ 612,786 | |
