The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 14501 | Misconduct | £ 114,692,713 | |
| 14502 | Misery Publishing | £ 59,419,185 | |
| 14503 | Misfit | £ 52,650,253 | |
| 14504 | Misfortune | £ 188,798,028 | |
| 14505 | Mish Mash | £ 357,712,302 | |
| 14506 | Misinterpretation | £ 486,461 | |
| 14507 | Misrule | £ 102,226,651 | |
| 14508 | Miss Bitch bombers | £ 4,512,007 | |
| 14509 | MissFubar PLC | £ 31,726,370 | |
| 14510 | missile command | £ 363,500,728 | |
| 14511 | Missile Inc | £ 37,431,256 | |
| 14512 | Missiles Incorporated | £ 1,859,206 | |
| 14513 | missing a toe | £ 93,592,827 | |
| 14514 | Mission | £ 166,801,144 | |
| 14515 | Mission Survive | £ 114,950,288 | |
| 14516 | Missionary | £ 72,118,701 | |
| 14517 | Mississippi | £ 5,500,599 | |
| 14518 | Mississippi Burning | £ 47,665,328 | |
| 14519 | Mississippi Dreams | £ 269,344,047 | |
| 14520 | Mississippi Inc | £ 5,281,962 | |
| 14521 | MississippiMusic | £ 2,811,899 | |
| 14522 | MissMikka | £ 79,369,949 | |
| 14523 | MISSOURI | £ 1,148,314,366 | |
| 14524 | Missouri Belle | £ 83,454,986 | |
| 14525 | Missyxx | £ 50,000 | |
| 14526 | Mistake | £ 1,937,719,857 | |
| 14527 | Mistake Not | £ 4,245,817,468 | |
| 14528 | Mistaken Identity | £ 109,775,714 | |
| 14529 | mistaken yidentit | £ 20,847,058 | |
| 14530 | Mistakes | £ 24,462,673 | |
| 14531 | mister | £ 15,343,639 | |
| 14532 | Mister Mister | £ 25,037,060 | |
| 14533 | Mistree | £ 50,000 | |
| 14534 | Misty | £ 18,781,409 | |
| 14535 | Mitchell Ltd | £ -2,115,101 | |
| 14536 | Mitchell Ltd2 | £ -1,529,234 | |
| 14537 | Mitchell Ltd3 | £ 5,496,523 | |
| 14538 | Mitchell Ltd4 | £ 4,625,817 | |
| 14539 | Mithandir | £ 398,278,073 | |
| 14540 | Mitigate | £ 4,181,669 | |
| 14541 | Mitigating Circumstances | £ 162,513,039 | |
| 14542 | Mitres | £ 684,354,522 | |
| 14543 | Mixed Reviews | £ 5,510,398 | |
| 14544 | Mixup | £ 1,046,218 | |
| 14545 | Mizuko Holdings | £ 50,000 | |
| 14546 | MJHCo. | £ 81,836,520 | |
| 14547 | MJI | £ 5,141,163 | |
| 14548 | MJII | £ 1,514,759 | |
| 14549 | MJIII | £ 1,341,503 | |
| 14550 | MJIV | £ 334,370 | |
| 14551 | MJJ Incorporated | £ 1,023,622,671 | |
| 14552 | MJLee | £ 12,045,209 | |
| 14553 | MJM 2 | £ 50,000 | |
| 14554 | MJM Games | £ 921,860 | |
| 14555 | Mjolnir | £ 8,499,219,119 | |
| 14556 | MJP Enterprises | £ -2,209,310 | |
| 14557 | MK II | £ 50,000 | |
| 14558 | MK Ultra | £ -17,913,353 | |
| 14559 | Mk11 | £ 182,096,165 | |
| 14560 | MkIII Industries | £ 5,121,147 | |
| 14561 | MKL | £ 4,926,291,030 | |
| 14562 | mkyumku | £ 1,322,486 | |
| 14563 | mlawenterprise | £ 206,267,702 | |
| 14564 | mlawenterprises | £ 74,433,740 | |
| 14565 | MLH Industries | £ 31,163,815 | |
| 14566 | MLM | £ 26,907,866,041 | |
| 14567 | MLM Group | £ 153,402,015 | |
| 14568 | MM Holdings | £ 2,430,369,394 | |
| 14569 | MM Holdings 2 | £ 87,625,891 | |
| 14570 | MM Holdings 3 | £ 84,005,847 | |
| 14571 | MM Holdings 4 | £ 84,561,626 | |
| 14572 | MMA | £ 14,208,696 | |
| 14573 | MMI | £ 3,194,811 | |
| 14574 | MMI Holdings | £ 2,450,207 | |
| 14575 | MMI2 | £ 4,617,014 | |
| 14576 | MMI3 | £ 161,241 | |
| 14577 | mmmHHHMmm | £ 1,268,288 | |
| 14578 | MMMM CAKE | £ 11,700,419 | |
| 14579 | MMORPG | £ 386,202,529 | |
| 14580 | MMS | £ 728,736 | |
| 14581 | MN Painting | £ 69,865,838 | |
| 14582 | mnb | £ 5,869,704 | |
| 14583 | MNGA | £ -591,189 | |
| 14584 | Mo Alba | £ 497,470,179 | |
| 14585 | MO Factory | £ 46,803,403 | |
| 14586 | Moa Gu | £ 73,665,027 | |
| 14587 | moarbkup | £ 5,508,731 | |
| 14588 | moarCarparks | £ 5,546,279 | |
| 14589 | MOASS | £ 10,968,075 | |
| 14590 | Mob Life Inc | £ 5,489,924 | |
| 14591 | Mob Mentality | £ 3,456,883 | |
| 14592 | Mob Rule | £ 187,313,616 | |
| 14593 | Mobbin Service | £ 37,804,870 | |
| 14594 | MobLand | £ 51,962,567 | |
| 14595 | Mochrum | £ 1,066,324,296 | |
| 14596 | Mockingbird Heights | £ 335,850,242 | |
| 14597 | Mod786 | £ 28,058,765 | |
| 14598 | Mod7866 | £ 5,631,868 | |
| 14599 | model | £ 126,900,274 | |
| 14600 | Model 1910 | £ 15,519,029 | |
