The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 13701 | Meowmeows | £ 6,546,378 | |
| 13702 | Mephisto | £ 230,844,295 | |
| 13703 | Mephistopheles | £ 5,091,558 | |
| 13704 | Mercedes | £ 333,388,191 | |
| 13705 | Mercedes Benz | £ 13,561,258 | |
| 13706 | Mercedes-Benz | £ 511,979,255 | |
| 13707 | Mercedes-Benz. | £ 7,214,777 | |
| 13708 | MercedesAMG Petronas F1 | £ 54,084,993 | |
| 13709 | Mercenaries | £ 1,427,822,080 | |
| 13710 | Mercenaries R Us | £ 119,524,890 | |
| 13711 | Merchiston | £ 79,224,604 | |
| 13712 | Merciful | £ 88,338,351 | |
| 13713 | Merck and Co Inc | £ 55,000,000 | |
| 13714 | Mercurial Holdings | £ 1,161,874,702 | |
| 13715 | Mercury | £ 83,833,529 | |
| 13716 | Mercy | £ 349,349,131 | |
| 13717 | Mercy Mercy Mercy | £ 47,064,031 | |
| 13718 | Merged Worlds | £ 179,290,627 | |
| 13719 | Mergers and acquisitions | £ 424,044,930 | |
| 13720 | Mergers and Monopolies | £ 1,019,487,473 | |
| 13721 | Merica | £ 56,698,378 | |
| 13722 | Meridian Marauders | £ 54,087,540 | |
| 13723 | Meritocracy | £ 488,692,520 | |
| 13724 | Merlendari | £ 34,644 | |
| 13725 | Merles Anarchsts | £ 3,733,376 | |
| 13726 | Merlin | £ 406,644,937 | |
| 13727 | merlin co.uk | £ 656,538,783 | |
| 13728 | Meropenem | £ 4,596,830 | |
| 13729 | merple | £ 65,319,084 | |
| 13730 | Mess | £ 149,138,524 | |
| 13731 | messi | £ 191,013,438 | |
| 13732 | Messy | £ 1,228,094 | |
| 13733 | MET | £ 20,898,349 | |
| 13734 | Meta | £ 477,383,347 | |
| 13735 | Metal | £ 939,126,424 | |
| 13736 | Metal Church | £ 55,040,228 | |
| 13737 | Metal Gear | £ 7,948,377 | |
| 13738 | metal mulisha | £ 49,071,127 | |
| 13739 | METAL MULISHA CO | £ 13,264,672 | |
| 13740 | Metal Redneck | £ 13,953,424 | |
| 13741 | metal redneck co | £ 5,500,897 | |
| 13742 | Metalcore.Ind | £ 5,882,041 | |
| 13743 | Metalit | £ 1,398,496 | |
| 13744 | Metallica | £ 38,420,056 | |
| 13745 | MetallicLatice | £ 273,061 | |
| 13746 | Metantatopy | £ 306,149,463 | |
| 13747 | Metaphorisms | £ 1,411,860,129 | |
| 13748 | Metathoric Chocolates | £ 5,505,012 | |
| 13749 | Meteor | £ 5,109,252 | |
| 13750 | Meteor Shower | £ 891,977,507 | |
| 13751 | Meth | £ 83,666,830 | |
| 13752 | Meth Inq | £ 192,418 | |
| 13753 | methadrine inc. | £ -2,620,751 | |
| 13754 | methane | £ 167,580,714 | |
| 13755 | Methmatician | £ 4,146,181 | |
| 13756 | Method Not Allowed | £ 251,366,729 | |
| 13757 | Methuselah | £ 1,235,104,585 | |
| 13758 | metime | £ 7,016,004 | |
| 13759 | Metnutroplis | £ 54,268,047 | |
| 13760 | Metrics | £ 5,534,939 | |
| 13761 | Metro Boomin | £ 265,531,707 | |
| 13762 | Metro bucks | £ 127,208,808 | |
| 13763 | Metro News | £ 1,186,988 | |
| 13764 | Metrocity | £ 154,496,934 | |
| 13765 | MetroMan | £ 2,205,870 | |
| 13766 | Metropolis | £ 108,524,580 | |
| 13767 | Mew | £ -125,749 | |
| 13768 | MewMew | £ 3,983,504 | |
| 13769 | Mewtwo | £ 194,154 | |
| 13770 | Mexican Elf-Fellaters | £ 380,836 | |
| 13771 | Mexico | £ 143,099,228 | |
| 13772 | MexImAChild | £ 1,503,591 | |
| 13773 | Mezago | £ 158,308,094 | |
| 13774 | MFI | £ 240,018,814 | |
| 13775 | MFP | £ 385,693,013 | |
| 13776 | MG metal | £ 83,272,537 | |
| 13777 | MGandH | £ 5,503,263 | |
| 13778 | MGM Grand Las Vegas | £ 57,107,896 | |
| 13779 | MGMTZ | £ 183,446,407 | |
| 13780 | Mi Socio | £ 238,322,295 | |
| 13781 | MI5 | £ 141,793,336 | |
| 13782 | MI6 | £ 170,567,514 | |
| 13783 | Mi6 Bombers | £ 108,298,234 | |
| 13784 | Mia Culpa | £ 245,079,428 | |
| 13785 | mia lingua italiana | £ 446,549,861 | |
| 13786 | Mia Ventures | £ 261,241,688 | |
| 13787 | Miami | £ 58,175,004 | |
| 13788 | Miami Heat | £ 1,187,523 | |
| 13789 | Micasa | £ 12,867,239 | |
| 13790 | Miccpelt | £ 414,182,779 | |
| 13791 | MicDawnalds | £ 56,263 | |
| 13792 | Mice | £ 54,981,578 | |
| 13793 | Mice and Men | £ 406,351,331 | |
| 13794 | Mice CO | £ 1,762,454 | |
| 13795 | Mice CORP | £ 3,994,110 | |
| 13796 | Mice GmbH | £ 5,014,930 | |
| 13797 | Mice Inc | £ 4,221,135 | |
| 13798 | Mice LTD | £ 7,202,742 | |
| 13799 | Michael | £ 1,522,266 | |
| 13800 | Michael Jackson | £ 35,590,097 | |
