The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 12501 | Mcboobs Knocking Shops | £ 27,084 | |
| 12502 | mcbuttface | £ 3,955,729 | |
| 12503 | McCann Ind | £ -29,449 | |
| 12504 | McCon Inc. | £ 82,346,992 | |
| 12505 | McCormick Enterprises | £ 704,217 | |
| 12506 | McDAB | £ 76,475,382 | |
| 12507 | McDonald | £ 658,744,566 | |
| 12508 | McDonalds | £ 18,885,463 | |
| 12509 | Mcdonalds Corporation | £ 134,518,979 | |
| 12510 | McDonaldsZim | £ 63,176,931 | |
| 12511 | McDumponface | £ 3,660 | |
| 12512 | McFadden | £ -131,571 | |
| 12513 | Mcfc88 | £ 10,404,015 | |
| 12514 | McFcuk | £ 2,274,894 | |
| 12515 | McGarrett | £ 193,129,471 | |
| 12516 | McGeeters | £ 83,681 | |
| 12517 | McGill | £ 55,076,173 | |
| 12518 | McGirk Waste Management | £ 86,656 | |
| 12519 | MCI Communications | £ 134,374,955 | |
| 12520 | Mckutchen | £ 1,830,803 | |
| 12521 | Mclaren Mercedes | £ 2,778,685 | |
| 12522 | McLovin | £ 2,299,983 | |
| 12523 | mcm | £ 57,999,853 | |
| 12524 | McNasty Burgers | £ 61,139,769 | |
| 12525 | McNuthugger | £ 5,002,136 | |
| 12526 | MCOC | £ 56,966,011 | |
| 12527 | Mcsmash | £ -11,927 | |
| 12528 | MDD Company | £ 34,883,687 | |
| 12529 | MDD3 company | £ 52,874,397 | |
| 12530 | MDD4 company | £ 39,561,399 | |
| 12531 | MDMA | £ 58,653,746 | |
| 12532 | Mdog 4 life | £ 233,659,584 | |
| 12533 | Mdog Enterprises | £ 164,256,199 | |
| 12534 | MDW Business | £ 5,507,240 | |
| 12535 | Me And I | £ 629,795 | |
| 12536 | me corp | £ 2,801,416 | |
| 12537 | Me crack in | £ 131,344,322 | |
| 12538 | me free | £ 367,615,854 | |
| 12539 | Me Only | £ 4,926,881 | |
| 12540 | Me Please | £ 82,095,731 | |
| 12541 | Me Silly | £ 106,123,518 | |
| 12542 | Me to see | £ 62,947,323 | |
| 12543 | Me, Im Counting | £ 4,820,143,977 | |
| 12544 | MEA | £ 356,839,045 | |
| 12545 | Meadow | £ 349,035,541 | |
| 12546 | Meal Time | £ 53,033,234 | |
| 12547 | Mean and Deadly LTD | £ 10,098,464 | |
| 12548 | Mean Electricity Ltd | £ -5,065,941 | |
| 12549 | Mean Machine | £ 174,484,012 | |
| 12550 | Mean Machine 10 | £ 101,887,250 | |
| 12551 | Mean Machine 11 | £ 83,273,024 | |
| 12552 | Mean Machine 12 | £ 24,847,409 | |
| 12553 | Mean Machine 2 | £ 112,632,517 | |
| 12554 | Mean Machine 3 | £ 125,726,960 | |
| 12555 | Mean Machine 4 | £ 180,450,398 | |
| 12556 | Mean Machine 5 | £ 160,955,182 | |
| 12557 | Mean Machine 6 | £ 135,487,477 | |
| 12558 | Mean Machine 7 | £ 104,371,655 | |
| 12559 | Mean Machine 8 | £ 124,950,567 | |
| 12560 | Mean Machine 9 | £ 104,923,716 | |
| 12561 | Meanies | £ 8,065,960 | |
| 12562 | Meaning | £ 261,740,977 | |
| 12563 | meanmoney | £ 288,694 | |
| 12564 | Means | £ 1,781,892,545 | |
| 12565 | Meastro2 | £ 239,761 | |
| 12566 | Measurement | £ 602,091,213 | |
| 12567 | MEAT | £ 67,857,491 | |
| 12568 | meat locker | £ 4,528,034 | |
| 12569 | Meat Pies | £ 4,217,653 | |
| 12570 | Meat popsticle | £ 18,382,336 | |
| 12571 | meats | £ 682,792,016 | |
| 12572 | MeatSacks LTD | £ 3,245,824 | |
| 12573 | Meatwads Dance Xplosion | £ 14,858,073 | |
| 12574 | mebers^6 | £ 1,012,181 | |
| 12575 | Mechanical Knowledge | £ 90,948,072 | |
| 12576 | Mechastein | £ 113,756,702 | |
| 12577 | Mechastein Inc | £ 60,914,193 | |
| 12578 | Mechrock | £ 397,826,364 | |
| 12579 | Media Market | £ 31,425,226 | |
| 12580 | Media Player | £ 11,385,898 | |
| 12581 | Medical City | £ 1,151,449,275 | |
| 12582 | Medications | £ 48,133,763 | |
| 12583 | Medicine | £ 98,689,796 | |
| 12584 | Medicine.Com | £ 184,984,146 | |
| 12585 | Medient | £ 508,983 | |
| 12586 | Mediumship | £ 162,850,423 | |
| 12587 | MedPharm | £ 62,403,617 | |
| 12588 | Medusa | £ 290,947,180 | |
| 12589 | Medwain | £ 110,111,172 | |
| 12590 | Mee | £ 27,657,186 | |
| 12591 | Meeney Corp | £ 9,839,052 | |
| 12592 | Meeny Inc | £ 22,570,987 | |
| 12593 | Meep meep | £ 493,156,074 | |
| 12594 | Meerkat Movies | £ 70,976,024 | |
| 12595 | Meerkats | £ 550,594,543 | |
| 12596 | MEG LTD | £ 23,571 | |
| 12597 | Mega Blox | £ 21,064,439,675 | |
| 12598 | MEGA BUDZ | £ 141,053 | |
| 12599 | Mega Corporation | £ 172,049 | |
| 12600 | Mega Corporations | £ 46,579,095 | |
