The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 13601 | Mission | £ 166,801,144 | |
| 13602 | Mission Survive | £ 114,950,288 | |
| 13603 | Missionary | £ 72,118,701 | |
| 13604 | Mississippi | £ 5,500,599 | |
| 13605 | Mississippi Burning | £ 47,665,328 | |
| 13606 | Mississippi Dreams | £ 269,344,047 | |
| 13607 | Mississippi Inc | £ 5,281,962 | |
| 13608 | MississippiMusic | £ 2,811,899 | |
| 13609 | MISSOURI | £ 1,148,314,366 | |
| 13610 | Missouri Belle | £ 83,454,986 | |
| 13611 | Missyxx | £ 50,000 | |
| 13612 | Mistake | £ 1,937,719,857 | |
| 13613 | Mistake Not | £ 4,245,817,468 | |
| 13614 | Mistaken Identity | £ 109,775,714 | |
| 13615 | mistaken yidentit | £ 20,847,058 | |
| 13616 | Mistakes | £ 24,462,673 | |
| 13617 | mister | £ 15,343,639 | |
| 13618 | Mister Mister | £ 25,037,060 | |
| 13619 | Mistree | £ 50,000 | |
| 13620 | Mitchell Ltd | £ -2,065,101 | |
| 13621 | Mitchell Ltd2 | £ -1,479,234 | |
| 13622 | Mitchell Ltd3 | £ 5,496,523 | |
| 13623 | Mitchell Ltd4 | £ 4,625,817 | |
| 13624 | Mithandir | £ 396,977,160 | |
| 13625 | Mitigating Circumstances | £ 162,513,039 | |
| 13626 | Mitres | £ 684,354,522 | |
| 13627 | Mizuko Holdings | £ 50,000 | |
| 13628 | MJHCo. | £ 81,836,520 | |
| 13629 | MJI | £ 5,141,163 | |
| 13630 | MJII | £ 1,514,759 | |
| 13631 | MJIII | £ 1,341,503 | |
| 13632 | MJIV | £ 334,370 | |
| 13633 | MJJ Incorporated | £ 1,023,622,671 | |
| 13634 | MJLee | £ 12,045,209 | |
| 13635 | MJM 2 | £ 50,000 | |
| 13636 | MJM Games | £ 921,860 | |
| 13637 | Mjolnir | £ 7,621,400,179 | |
| 13638 | MK II | £ 50,000 | |
| 13639 | MK Ultra | £ -17,863,353 | |
| 13640 | Mk11 | £ 166,091,598 | |
| 13641 | MkIII Industries | £ 5,121,147 | |
| 13642 | MKL | £ 4,926,291,030 | |
| 13643 | mkyumku | £ 1,322,486 | |
| 13644 | mlawenterprise | £ 206,267,702 | |
| 13645 | mlawenterprises | £ 74,433,740 | |
| 13646 | MLH Industries | £ 31,163,815 | |
| 13647 | MLM | £ 25,891,997,903 | |
| 13648 | MLM Group | £ 153,402,015 | |
| 13649 | MM Holdings | £ 635,853,561 | |
| 13650 | MM Holdings 2 | £ 76,436,413 | |
| 13651 | MM Holdings 3 | £ 69,425,091 | |
| 13652 | MM Holdings 4 | £ 70,585,626 | |
| 13653 | MMA | £ 8,755,358 | |
| 13654 | MMI | £ 3,194,811 | |
| 13655 | MMI Holdings | £ 2,450,207 | |
| 13656 | MMI2 | £ 4,617,014 | |
| 13657 | MMI3 | £ 161,241 | |
| 13658 | mmmHHHMmm | £ 1,268,288 | |
| 13659 | MMMM CAKE | £ 11,700,419 | |
| 13660 | MMORPG | £ 386,202,529 | |
| 13661 | MMS | £ 728,736 | |
| 13662 | MN Painting | £ 69,865,838 | |
| 13663 | mnb | £ 5,869,704 | |
| 13664 | MNGA | £ -541,189 | |
| 13665 | Mo Alba | £ 497,470,179 | |
| 13666 | moarbkup | £ 5,508,731 | |
| 13667 | moarCarparks | £ 5,546,279 | |
| 13668 | MOASS | £ 10,968,075 | |
| 13669 | Mob Life Inc | £ 5,489,924 | |
| 13670 | Mob Mentality | £ 3,456,883 | |
| 13671 | Mob Rule | £ 187,313,616 | |
| 13672 | Mobbin Service | £ 37,804,870 | |
| 13673 | Mochrum | £ 580,414,845 | |
| 13674 | Mockingbird Heights | £ 267,999,298 | |
| 13675 | Mod786 | £ 28,058,765 | |
| 13676 | Mod7866 | £ 5,631,868 | |
| 13677 | model | £ 126,900,274 | |
| 13678 | Model 1910 | £ 15,519,029 | |
| 13679 | Model in Black | £ 32,036,184 | |
| 13680 | model1 | £ 298,042,055 | |
| 13681 | Moderate Pharmaceuticals | £ 7,403,273 | |
| 13682 | Modern Chemistry | £ 50,000 | |
| 13683 | Modern Day Filth | £ 39,727,103 | |
| 13684 | modern homes and windows | £ 61,033,378 | |
| 13685 | Modus operandi | £ 271,888,639 | |
| 13686 | mog | £ 62,817,831 | |
| 13687 | MoguMogu | £ 50,000 | |
| 13688 | Mogwai | £ 2,678,866,607 | |
| 13689 | Mohawk | £ 5,884,779 | |
| 13690 | mohicans | £ 87,704,089 | |
| 13691 | MoIIy | £ 22,448,748 | |
| 13692 | MoIly | £ 15,318,712 | |
| 13693 | Moist Industries | £ 375,651,044 | |
| 13694 | Mojacar | £ 141,096,958 | |
| 13695 | MojoMonies | £ -11,846,511 | |
| 13696 | molenstraat | £ 2,013,822 | |
| 13697 | Molko | £ 88,524,189 | |
| 13698 | Molly | £ 58,389,036 | |
| 13699 | Molokozavod | £ 8,147,120 | |
| 13700 | Molotov | £ 4,678,705,578 | |
