The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 13501 | magics | £ 89,717,576 | |
| 13502 | Magik | £ 8,435,088 | |
| 13503 | Magikarp | £ 54,441,892 | |
| 13504 | magma | £ 256,976,687 | |
| 13505 | Magnag Industries | £ 5,423,817 | |
| 13506 | Magnesia | £ 49,545,385 | |
| 13507 | Magnesium | £ -10,504,907 | |
| 13508 | Magnetic Flux Density | £ 53,513,845 | |
| 13509 | Magneto. | £ 41,525,507 | |
| 13510 | Magnets | £ 57,903,878 | |
| 13511 | Magnolia Properties | £ 5,505,968 | |
| 13512 | Magnum P.I. | £ 4,478,573,315 | |
| 13513 | Magnus | £ 9,726,515 | |
| 13514 | Magnus Global | £ 79,802,258 | |
| 13515 | MagnusCorp | £ 56,468,260 | |
| 13516 | Magoo | £ 17,276,464 | |
| 13517 | Magoos | £ 35,729,833 | |
| 13518 | Magpie | £ 172,943,574 | |
| 13519 | Magrathea | £ 54,106,264 | |
| 13520 | Mags Estate | £ 5,508,790 | |
| 13521 | Mags Ltd | £ 4,552,528 | |
| 13522 | Mags Summer | £ 5,708,628 | |
| 13523 | Mah Na Mah Na | £ 49,630,458 | |
| 13524 | Mai Kao Jai | £ 38,479,227 | |
| 13525 | Maicibai | £ 47,404,486 | |
| 13526 | Maid | £ 155,417,138 | |
| 13527 | £ 553,615,210 | ||
| 13528 | Main | £ 51,495,215 | |
| 13529 | Main Force Patrol | £ 32,257,237 | |
| 13530 | Maintenance | £ 619,311,696 | |
| 13531 | Majic | £ 25,759,014 | |
| 13532 | Majic Mushrooms | £ 54,504,646 | |
| 13533 | major proportions | £ 330,952,609 | |
| 13534 | Major Space Crossroutes | £ 167,618,040 | |
| 13535 | Major Suite | £ 17,697 | |
| 13536 | Major Tom | £ 46,286,951 | |
| 13537 | Make America Great Again | £ 5,508,261 | |
| 13538 | Make Gotham Great | £ 134,979,354 | |
| 13539 | make money | £ 4,810,592 | |
| 13540 | Make Netro Great | £ 3,983,342 | |
| 13541 | make this yet | £ 90,110,795 | |
| 13542 | makeofthis | £ 134,245,142 | |
| 13543 | Maker Inc. | £ 2,239,625 | |
| 13544 | Makes Me Feel Fine | £ 64,773,514 | |
| 13545 | Making America Great | £ 164,451,564 | |
| 13546 | Making Pennies | £ 92,844,685 | |
| 13547 | making so many | £ 85,241,085 | |
| 13548 | Mako | £ 10,829,833 | |
| 13549 | Maks a Muckle | £ 938,220,068 | |
| 13550 | Malak.Co | £ -47,512 | |
| 13551 | Malaria | £ 2,489,623 | |
| 13552 | Malawi | £ 178,768,230 | |
| 13553 | Malaysia | £ 59,026,830 | |
| 13554 | MalCo | £ 16,148,870 | |
| 13555 | Malcontent | £ 110,148,082 | |
| 13556 | Malevolence | £ 1,704,444,541 | |
| 13557 | malformed creature | £ 267,031,614 | |
| 13558 | Malice | £ 1,706,552,288 | |
| 13559 | Malicious Intent | £ 55,421,858 | |
| 13560 | Malignant Mutt | £ 55,594,011 | |
| 13561 | Malik Inc. | £ 43,598 | |
| 13562 | Malinois Inc | £ 112,063,766 | |
| 13563 | Maliwan Munitions | £ 124,202,559 | |
| 13564 | Malkowitz Industries | £ 303,579,424 | |
| 13565 | Mall | £ 33,937,859 | |
| 13566 | Mallard | £ 47,485,699 | |
| 13567 | Malt Liquor Hulk | £ 118,441,625 | |
| 13568 | Malta | £ 5,500,838 | |
| 13569 | Maltesers | £ 54,432,517 | |
| 13570 | Maluku Inc. | £ 32,601,576 | |
| 13571 | MAMA | £ 10,429,149 | |
| 13572 | Mama Said Knock You Out | £ 239,813,209 | |
| 13573 | mamamiah | £ 7,580,475 | |
| 13574 | mamamiahah | £ 73,270,710 | |
| 13575 | Mamba | £ 202,226 | |
| 13576 | Mambeast Pte Ltd | £ -17,776,530 | |
| 13577 | mami | £ 10,204,605 | |
| 13578 | Mammaries | £ 443,603,860 | |
| 13579 | Mammi | £ 42,251,220 | |
| 13580 | Mammiiah | £ 6,959,891 | |
| 13581 | Mammon | £ 5,509,324 | |
| 13582 | mammoth proportions | £ 503,376,369 | |
| 13583 | mams secret milk | £ 5,504,304 | |
| 13584 | Man | £ 17,801,890 | |
| 13585 | Man Chu | £ 58,613 | |
| 13586 | Man Flu | £ 5,664,188 | |
| 13587 | Man in the Mirror | £ 20,566,211 | |
| 13588 | Man Kind | £ 100,281,734 | |
| 13589 | Man Lab | £ 2,388,802 | |
| 13590 | Man Standing | £ 64,904,424 | |
| 13591 | Man Utd Please | £ 10,508,237 | |
| 13592 | Mana | £ 199,521 | |
| 13593 | managed | £ 272,908,637 | |
| 13594 | Manamana | £ 22,323,344 | |
| 13595 | Mananama | £ 13,007,157 | |
| 13596 | Manaus | £ 257,899,725 | |
| 13597 | ManBearPig | £ 502,877,277 | |
| 13598 | ManChat | £ 24,921,317 | |
| 13599 | Manchester | £ 303,684,849 | |
| 13600 | Manchester City fc | £ 29,318,533 | |
