The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 12401 | Magazine Distributors | £ 37,320,017 | |
| 12402 | Magdalene | £ 1,003,412,911 | |
| 12403 | Magellan of Voyage | £ 5,290,991 | |
| 12404 | Magenta Weed | £ 271,410,952 | |
| 12405 | Maggic7 | £ -443,731 | |
| 12406 | maggots | £ 173,239,467 | |
| 12407 | Magic | £ 487,337,098 | |
| 12408 | Magic Carpet | £ 11,874,743 | |
| 12409 | Magic Emporium | £ 103,205,187 | |
| 12410 | Magic Industries | £ -1,643 | |
| 12411 | Magic Mirror | £ 2,172,047 | |
| 12412 | Magic Monkeyz | £ 8,114,425 | |
| 12413 | Magic Mountain | £ 1,385,588 | |
| 12414 | Magic Mushrooms | £ 160,108,013 | |
| 12415 | Magic Pie | £ 490,215,342 | |
| 12416 | Magic Rock Garden | £ 88,058,735 | |
| 12417 | Magic Round About | £ 60,232,415 | |
| 12418 | Magic Roundabout | £ 5,733,823 | |
| 12419 | Magic Stars | £ 95,200,834 | |
| 12420 | Magic Unicorns | £ 5,507,889 | |
| 12421 | Magical Moments | £ 39,356,038 | |
| 12422 | Magician | £ 43,263,578 | |
| 12423 | magics | £ 9,148,464 | |
| 12424 | Magik | £ 8,435,088 | |
| 12425 | Magikarp | £ 54,441,892 | |
| 12426 | magma | £ 256,976,687 | |
| 12427 | Magnag Industries | £ 5,423,817 | |
| 12428 | Magnesium | £ -10,504,907 | |
| 12429 | Magnolia Properties | £ 5,505,968 | |
| 12430 | Magnum P.I. | £ 4,478,573,315 | |
| 12431 | Magnum Performance | £ 1,406,444 | |
| 12432 | Magnus Global | £ 79,802,258 | |
| 12433 | MagnusCorp | £ 56,468,260 | |
| 12434 | Magoo | £ 17,276,464 | |
| 12435 | Magoos | £ 35,729,833 | |
| 12436 | Magpie | £ 5,500,937 | |
| 12437 | Magrathea | £ 54,106,264 | |
| 12438 | Mags Estate | £ 5,508,790 | |
| 12439 | Mags Ltd | £ 4,552,528 | |
| 12440 | Mags Summer | £ 5,708,628 | |
| 12441 | Mai Kao Jai | £ 38,479,227 | |
| 12442 | Maicibai | £ 47,404,486 | |
| 12443 | Maid | £ 25,627,043 | |
| 12444 | £ 399,681,500 | ||
| 12445 | Main Force Patrol | £ 32,257,237 | |
| 12446 | Main Street | £ 660,809,316 | |
| 12447 | Maison and Co | £ 2,656,528 | |
| 12448 | major proportions | £ 76,006,213 | |
| 12449 | Major Space Crossroutes | £ 199,658,701 | |
| 12450 | Major Suite | £ 17,697 | |
| 12451 | Makaveli | £ 59,162,119 | |
| 12452 | Makaveli II | £ 44,201,619 | |
| 12453 | Make America Great Again | £ 5,508,261 | |
| 12454 | Make Another Move | £ 225,614,005 | |
| 12455 | Make Gotham Great | £ 134,979,354 | |
| 12456 | make money | £ 4,810,592 | |
| 12457 | Make Netro Great | £ 3,983,342 | |
| 12458 | make this yet | £ 90,110,795 | |
| 12459 | makeofthis | £ 134,245,142 | |
| 12460 | maker | £ 6,849,833 | |
| 12461 | Maker Inc. | £ 2,239,625 | |
| 12462 | Makes Me Feel Fine | £ 64,773,514 | |
| 12463 | Making America Great | £ 164,451,564 | |
| 12464 | Making Pennies | £ 92,844,685 | |
| 12465 | making so many | £ 85,241,085 | |
| 12466 | Mako | £ 7,379,065 | |
| 12467 | Maks a Muckle | £ 938,220,068 | |
| 12468 | Malak.Co | £ -47,512 | |
| 12469 | Malaria | £ 1,959,297 | |
| 12470 | Malawi | £ 178,768,230 | |
| 12471 | Malaysia | £ 59,026,830 | |
| 12472 | Malaysia Jet Lost | £ 965,177 | |
| 12473 | MalCo | £ 16,148,870 | |
| 12474 | Malcontent | £ 110,148,082 | |
| 12475 | Malevolence | £ 1,718,918,855 | |
| 12476 | malformed creature | £ 267,031,614 | |
| 12477 | Malice | £ 1,113,733,441 | |
| 12478 | Malicious Intent | £ 55,421,858 | |
| 12479 | Malignant Mutt | £ 40,109,326 | |
| 12480 | Malik Inc. | £ 43,598 | |
| 12481 | Malkowitz Industries | £ 303,579,424 | |
| 12482 | Mall | £ 33,937,859 | |
| 12483 | Mallard | £ 47,485,699 | |
| 12484 | Malt Liquor Hulk | £ 44,506,271 | |
| 12485 | Malta | £ 5,500,838 | |
| 12486 | Maltesers | £ 54,432,517 | |
| 12487 | Maluku Inc. | £ 32,601,576 | |
| 12488 | MAMA | £ 10,429,149 | |
| 12489 | Mama Said Knock You Out | £ 239,813,209 | |
| 12490 | mamamiah | £ 7,580,475 | |
| 12491 | mamamiahah | £ 73,270,710 | |
| 12492 | Mambeast Pte Ltd | £ -17,776,530 | |
| 12493 | mami | £ 10,204,605 | |
| 12494 | Mammaries | £ 443,603,860 | |
| 12495 | Mammi | £ 42,251,220 | |
| 12496 | Mammiiah | £ 6,959,891 | |
| 12497 | Mammon | £ 5,509,324 | |
| 12498 | mammoth proportions | £ 503,376,369 | |
| 12499 | mams secret milk | £ 5,504,304 | |
| 12500 | Man | £ 15,615,588 | |
