The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 13601 | Magnetic Flux Density | £ 53,513,845 | |
| 13602 | Magneto. | £ 41,525,507 | |
| 13603 | Magnets | £ 41,773,779 | |
| 13604 | Magnolia Properties | £ 5,505,968 | |
| 13605 | Magnum P.I. | £ 4,478,573,315 | |
| 13606 | Magnus | £ 9,726,515 | |
| 13607 | Magnus Global | £ 79,802,258 | |
| 13608 | MagnusCorp | £ 56,468,260 | |
| 13609 | Magoo | £ 17,276,464 | |
| 13610 | Magoos | £ 35,729,833 | |
| 13611 | Magpie | £ 172,943,574 | |
| 13612 | Magrathea | £ 54,106,264 | |
| 13613 | Mags Estate | £ 5,508,790 | |
| 13614 | Mags Ltd | £ 4,552,528 | |
| 13615 | Mags Summer | £ 5,708,628 | |
| 13616 | Mah Na Mah Na | £ 69,152,572 | |
| 13617 | Mai Kao Jai | £ 38,479,227 | |
| 13618 | Maicibai | £ 47,404,486 | |
| 13619 | Maico | £ 54,061,083 | |
| 13620 | Maid | £ 155,417,138 | |
| 13621 | £ 559,208,790 | ||
| 13622 | Main | £ 99,923,706 | |
| 13623 | Main Force Patrol | £ 32,257,237 | |
| 13624 | Maintenance | £ 619,311,696 | |
| 13625 | Majic | £ 25,759,014 | |
| 13626 | Majic Mushrooms | £ 54,504,646 | |
| 13627 | Major Consequences | £ 26,485,597 | |
| 13628 | major proportions | £ 330,952,609 | |
| 13629 | Major Space Crossroutes | £ 167,618,040 | |
| 13630 | Major Suite | £ 17,697 | |
| 13631 | Major Tom | £ 48,054,857 | |
| 13632 | Make America Great Again | £ 5,508,261 | |
| 13633 | Make Gotham Great | £ 134,979,354 | |
| 13634 | make money | £ 4,810,592 | |
| 13635 | Make Netro Great | £ 3,983,342 | |
| 13636 | make this yet | £ 90,110,795 | |
| 13637 | makeofthis | £ 134,245,142 | |
| 13638 | Maker Inc. | £ 2,239,625 | |
| 13639 | Makes Me Feel Fine | £ 64,773,514 | |
| 13640 | Making America Great | £ 164,451,564 | |
| 13641 | Making Pennies | £ 92,844,685 | |
| 13642 | making so many | £ 85,241,085 | |
| 13643 | Mako | £ 10,829,833 | |
| 13644 | Maks a Muckle | £ 938,220,068 | |
| 13645 | Malak.Co | £ -47,512 | |
| 13646 | Malaria | £ 7,409,841 | |
| 13647 | Malawi | £ 178,768,230 | |
| 13648 | Malaysia | £ 59,026,830 | |
| 13649 | MalCo | £ 16,148,870 | |
| 13650 | Malcontent | £ 110,148,082 | |
| 13651 | Malevolence | £ 1,704,444,541 | |
| 13652 | malformed creature | £ 267,031,614 | |
| 13653 | Malice | £ 1,778,574,506 | |
| 13654 | Malicious Intent | £ 55,421,858 | |
| 13655 | Malignant Mutt | £ 55,594,011 | |
| 13656 | Malik Inc. | £ 43,598 | |
| 13657 | Malinois Inc | £ 112,063,766 | |
| 13658 | Maliwan Munitions | £ 104,050,096 | |
| 13659 | Malkowitz Industries | £ 303,579,424 | |
| 13660 | Mall | £ 33,937,859 | |
| 13661 | Mallard | £ 47,485,699 | |
| 13662 | Malt Liquor Hulk | £ 117,724,630 | |
| 13663 | Malta | £ 5,500,838 | |
| 13664 | Maltesers | £ 54,432,517 | |
| 13665 | Maluku Inc. | £ 32,601,576 | |
| 13666 | MAMA | £ 10,429,149 | |
| 13667 | Mama Said Knock You Out | £ 239,813,209 | |
| 13668 | mamamiah | £ 7,580,475 | |
| 13669 | mamamiahah | £ 73,270,710 | |
| 13670 | Mamba | £ 149,609,474 | |
| 13671 | Mambeast Pte Ltd | £ -17,776,530 | |
| 13672 | mami | £ 10,204,605 | |
| 13673 | Mammaries | £ 443,603,860 | |
| 13674 | Mammi | £ 42,251,220 | |
| 13675 | Mammiiah | £ 6,959,891 | |
| 13676 | Mammon | £ 5,509,324 | |
| 13677 | mammoth proportions | £ 503,376,369 | |
| 13678 | mams secret milk | £ 5,504,304 | |
| 13679 | Man | £ 17,801,890 | |
| 13680 | Man Chu | £ 58,613 | |
| 13681 | Man Flu | £ 5,664,188 | |
| 13682 | Man in the Mirror | £ 20,566,211 | |
| 13683 | Man Kind | £ 100,281,734 | |
| 13684 | Man Lab | £ 2,388,802 | |
| 13685 | Man Standing | £ 65,477,557 | |
| 13686 | Man Utd Please | £ 10,767,400 | |
| 13687 | Mana | £ 199,521 | |
| 13688 | managed | £ 272,908,637 | |
| 13689 | Manamana | £ 42,169,083 | |
| 13690 | Mananama | £ 19,038,264 | |
| 13691 | Manaus | £ 257,899,725 | |
| 13692 | ManBearPig | £ 502,877,277 | |
| 13693 | ManChat | £ 24,921,317 | |
| 13694 | Manchester | £ 303,684,849 | |
| 13695 | Manchester City fc | £ 29,318,533 | |
| 13696 | Manchester Mayhem | £ 84,056 | |
| 13697 | Manchester United F.C. | £ 6,609,473,583 | |
| 13698 | Manchester United XI | £ 5,357,466 | |
| 13699 | Manchester Unitedfc | £ -1,131,040 | |
| 13700 | Manco Capac | £ 2,037,711,203 | |
