The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 13601 | Mercenaries | £ 1,427,822,080 | |
| 13602 | Mercenaries R Us | £ 119,524,890 | |
| 13603 | Merchiston | £ 79,224,604 | |
| 13604 | Merciful | £ 60,300,861 | |
| 13605 | Merck and Co Inc | £ 55,000,000 | |
| 13606 | Mercurial Holdings | £ 1,161,874,702 | |
| 13607 | Mercury | £ 83,833,529 | |
| 13608 | Mercy | £ 349,349,131 | |
| 13609 | Mercy Mercy Mercy | £ 12,805,991 | |
| 13610 | Merged Worlds | £ 179,290,627 | |
| 13611 | Mergers and acquisitions | £ 426,495,125 | |
| 13612 | Mergers and Monopolies | £ 1,021,862,096 | |
| 13613 | Merica | £ 56,698,378 | |
| 13614 | Meridian Marauders | £ 65,807,921 | |
| 13615 | Meritocracy | £ 482,692,520 | |
| 13616 | Merlendari | £ 34,644 | |
| 13617 | Merles Anarchsts | £ 3,733,376 | |
| 13618 | Merlin | £ 341,211,958 | |
| 13619 | merlin co.uk | £ 659,381,649 | |
| 13620 | Meropenem | £ 4,596,830 | |
| 13621 | merple | £ 65,319,084 | |
| 13622 | Mess | £ 149,138,524 | |
| 13623 | messi | £ 54,513,438 | |
| 13624 | Messy | £ 1,228,094 | |
| 13625 | MET | £ 20,898,349 | |
| 13626 | Meta | £ 477,383,347 | |
| 13627 | Metal | £ 939,126,424 | |
| 13628 | Metal Church | £ 55,040,228 | |
| 13629 | Metal Gear | £ 7,948,377 | |
| 13630 | metal mulisha | £ 49,071,127 | |
| 13631 | METAL MULISHA CO | £ 13,264,672 | |
| 13632 | Metal Redneck | £ 13,953,424 | |
| 13633 | metal redneck co | £ 5,500,897 | |
| 13634 | Metalcore.Ind | £ 5,882,041 | |
| 13635 | Metalit | £ 1,398,496 | |
| 13636 | Metallica | £ 38,420,056 | |
| 13637 | MetallicLatice | £ 273,061 | |
| 13638 | Metantatopy | £ 306,149,463 | |
| 13639 | Metaphorisms | £ 1,405,235,842 | |
| 13640 | Metathoric Chocolates | £ 5,505,012 | |
| 13641 | Meteor | £ 5,109,252 | |
| 13642 | Meteor Shower | £ 891,977,507 | |
| 13643 | Meth | £ 83,666,830 | |
| 13644 | Meth Inq | £ 192,418 | |
| 13645 | methadrine inc. | £ -2,620,751 | |
| 13646 | methane | £ 167,580,714 | |
| 13647 | Methmatician | £ 4,146,181 | |
| 13648 | Method Not Allowed | £ 204,866,729 | |
| 13649 | Methuselah | £ 1,235,104,585 | |
| 13650 | metime | £ 7,016,004 | |
| 13651 | Metnutroplis | £ 54,268,047 | |
| 13652 | Metrics | £ 5,534,939 | |
| 13653 | Metro Boomin | £ 268,910,619 | |
| 13654 | Metro bucks | £ 127,208,808 | |
| 13655 | Metro News | £ 1,186,988 | |
| 13656 | Metrocity | £ 154,496,934 | |
| 13657 | MetroMan | £ 2,205,870 | |
| 13658 | Metropolis | £ 114,687,678 | |
| 13659 | Mew | £ -125,749 | |
| 13660 | MewMew | £ 3,983,504 | |
| 13661 | Mewtwo | £ 194,154 | |
| 13662 | Mexican Elf-Fellaters | £ 380,836 | |
| 13663 | Mexico | £ 143,099,228 | |
| 13664 | MexImAChild | £ 1,503,591 | |
| 13665 | Mezago | £ 129,026,060 | |
| 13666 | MFI | £ 240,018,814 | |
| 13667 | MFP | £ 385,549,023 | |
| 13668 | MG metal | £ 83,272,537 | |
| 13669 | MGandH | £ 5,503,263 | |
| 13670 | MGM Grand Las Vegas | £ 57,107,896 | |
| 13671 | MGMTZ | £ 185,887,363 | |
| 13672 | Mi Socio | £ 238,322,295 | |
| 13673 | MI5 | £ 141,793,336 | |
| 13674 | MI6 | £ 170,567,514 | |
| 13675 | Mi6 Bombers | £ 108,298,234 | |
| 13676 | Mia Culpa | £ 245,079,428 | |
| 13677 | mia lingua italiana | £ 446,549,861 | |
| 13678 | Mia Ventures | £ 261,241,688 | |
| 13679 | Miami | £ 58,175,004 | |
| 13680 | Miami Heat | £ 1,187,523 | |
| 13681 | Micasa | £ 12,867,239 | |
| 13682 | Miccpelt | £ 414,182,779 | |
| 13683 | MicDawnalds | £ 56,263 | |
| 13684 | Mice | £ 54,981,578 | |
| 13685 | Mice and Men | £ 406,351,331 | |
| 13686 | Mice CO | £ 1,762,454 | |
| 13687 | Mice CORP | £ 3,994,110 | |
| 13688 | Mice GmbH | £ 5,014,930 | |
| 13689 | Mice Inc | £ 4,221,135 | |
| 13690 | Mice LTD | £ 7,202,742 | |
| 13691 | Michael | £ 1,522,266 | |
| 13692 | Michael Jackson | £ 35,590,097 | |
| 13693 | Michael S Dell Pte Ltd | £ 182,295,309 | |
| 13694 | Michael Shannon | £ 23,306,256 | |
| 13695 | MichaelUnitedJuggernaut | £ 944,737 | |
| 13696 | Michelangelo | £ 98,916,923 | |
| 13697 | Michelin Mogul | £ 89,056,676 | |
| 13698 | Michigan | £ 83,780,074 | |
| 13699 | Michigan 1 | £ 4,091,450 | |
| 13700 | Mickey Marley | £ 4,571,737 | |
