The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 11701 | Mischief | £ 434,575,142 | |
| 11702 | Misconduct | £ 114,692,713 | |
| 11703 | Misery | £ 75,677,372 | |
| 11704 | Misery Publishing | £ 59,419,185 | |
| 11705 | Misfit | £ 52,650,253 | |
| 11706 | Misfortune | £ 188,798,028 | |
| 11707 | Mish Mash | £ 305,794,773 | |
| 11708 | Misinterpretation | £ 486,461 | |
| 11709 | Miss Bitch bombers | £ 4,512,007 | |
| 11710 | MissFubar PLC | £ 31,726,370 | |
| 11711 | missile command | £ 363,500,728 | |
| 11712 | Missiles Incorporated | £ 1,859,206 | |
| 11713 | missing a toe | £ 93,592,827 | |
| 11714 | Mission | £ 166,801,144 | |
| 11715 | Mission Survive | £ 114,950,288 | |
| 11716 | Mississippi | £ 5,500,599 | |
| 11717 | Mississippi Burning | £ 47,665,328 | |
| 11718 | Mississippi Dreams | £ 269,344,047 | |
| 11719 | Mississippi Inc | £ 5,281,962 | |
| 11720 | MississippiMusic | £ 2,811,899 | |
| 11721 | MISSOURI | £ 1,148,314,366 | |
| 11722 | Missyxx | £ 50,000 | |
| 11723 | Mistake | £ 1,937,719,857 | |
| 11724 | Mistake Not | £ 4,245,817,468 | |
| 11725 | Mistaken Identity | £ 109,775,714 | |
| 11726 | mistaken yidentit | £ 20,847,058 | |
| 11727 | Mistakes | £ 24,462,673 | |
| 11728 | mister | £ 15,343,639 | |
| 11729 | Mister Mister | £ 25,037,060 | |
| 11730 | Mistree | £ 50,000 | |
| 11731 | Mitchell Ltd | £ -2,115,101 | |
| 11732 | Mitchell Ltd2 | £ -1,529,234 | |
| 11733 | Mitchell Ltd3 | £ 5,496,523 | |
| 11734 | Mitchell Ltd4 | £ 4,625,817 | |
| 11735 | Mitigating Circumstances | £ 162,513,039 | |
| 11736 | Mitres | £ 684,354,522 | |
| 11737 | mix | £ 11,825,750 | |
| 11738 | Mixture | £ 34,126,543 | |
| 11739 | Mizuko Holdings | £ 50,000 | |
| 11740 | MJHCo. | £ 81,836,520 | |
| 11741 | MJI | £ 5,141,163 | |
| 11742 | MJII | £ 1,514,759 | |
| 11743 | MJIII | £ 1,341,503 | |
| 11744 | MJIV | £ 334,370 | |
| 11745 | MJLee | £ 12,045,209 | |
| 11746 | MJM 2 | £ 50,000 | |
| 11747 | MJM Games | £ 921,860 | |
| 11748 | Mjolnir | £ 6,374,825,422 | |
| 11749 | MK II | £ -371,982 | |
| 11750 | MK Ultra | £ -17,913,353 | |
| 11751 | MKL | £ 3,349,061,416 | |
| 11752 | mkyumku | £ 1,322,486 | |
| 11753 | mlawenterprise | £ 206,267,702 | |
| 11754 | mlawenterprises | £ 74,433,740 | |
| 11755 | MLM | £ 1,520,559,489 | |
| 11756 | MLM Group | £ 85,259,170 | |
| 11757 | MMI | £ 3,194,811 | |
| 11758 | MMI Holdings | £ 2,450,207 | |
| 11759 | MMI2 | £ 4,617,014 | |
| 11760 | MMI3 | £ 161,241 | |
| 11761 | mmmHHHMmm | £ 1,268,288 | |
| 11762 | MMMM CAKE | £ 11,700,419 | |
| 11763 | MMORPG | £ 386,202,529 | |
| 11764 | MMS | £ 728,736 | |
| 11765 | MN Painting | £ 69,865,838 | |
| 11766 | mnb | £ 5,869,704 | |
| 11767 | MNGA | £ -591,189 | |
| 11768 | Mnv | £ 69,523,625 | |
| 11769 | Mo Alba | £ 497,470,179 | |
| 11770 | MOAB | £ 50,000 | |
| 11771 | moarbkup | £ 5,508,731 | |
| 11772 | moarCarparks | £ 5,546,279 | |
| 11773 | Mob Life Inc | £ 5,489,924 | |
| 11774 | Mob Mentality | £ 3,456,883 | |
| 11775 | Mobbin Service | £ 37,804,870 | |
| 11776 | Mod786 | £ 28,058,765 | |
| 11777 | Mod7866 | £ 5,631,868 | |
| 11778 | Mode | £ 401,332,556 | |
| 11779 | model | £ 126,900,274 | |
| 11780 | Model 1910 | £ 15,519,029 | |
| 11781 | Model in Black | £ 32,036,184 | |
| 11782 | model1 | £ 298,042,055 | |
| 11783 | Moderate Pharmaceuticals | £ 7,403,273 | |
| 11784 | Modern Chemistry | £ 50,000 | |
| 11785 | Modern Day Filth | £ 39,727,103 | |
| 11786 | modern homes and windows | £ 60,782,477 | |
| 11787 | Modern Medicine | £ 655,918,356 | |
| 11788 | mog | £ 62,817,831 | |
| 11789 | MoguMogu | £ 50,000 | |
| 11790 | Mogwai | £ 2,414,035,302 | |
| 11791 | Mohawk | £ 5,884,779 | |
| 11792 | mohicans | £ 87,704,089 | |
| 11793 | MojoMonies | £ -11,896,511 | |
| 11794 | Mojon Inc | £ 2,533,275 | |
| 11795 | Moldy Bread | £ 3,146,415 | |
| 11796 | Mole | £ 2,572,348 | |
| 11797 | molenstraat | £ 2,013,822 | |
| 11798 | Molko | £ 88,524,189 | |
| 11799 | Molly | £ 58,389,036 | |
| 11800 | Molokozavod | £ 8,147,120 | |
