The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 12401 | Melandas | £ 4,266,236 | |
| 12402 | Melandas Dynasty | £ 4,129,183 | |
| 12403 | Melandas General | £ 2,020,971 | |
| 12404 | Melandas Global | £ 3,541,345 | |
| 12405 | Melandas Pte Ltd | £ 3,229,876 | |
| 12406 | Melbourne | £ 419,554,023 | |
| 12407 | Melissa | £ 1,738,728,142 | |
| 12408 | Mellonballs | £ 9,882 | |
| 12409 | Mellons | £ 11,146 | |
| 12410 | Melodic Minor | £ 38,491,832 | |
| 12411 | Melting Apples | £ 53,274,340 | |
| 12412 | Melvin Capital | £ 16,421,242 | |
| 12413 | Members Only | £ 3,896,168 | |
| 12414 | Memo Re Foam | £ 163,951,375 | |
| 12415 | Memoria | £ 82,597,593 | |
| 12416 | Memories of Things | £ 296,637,002 | |
| 12417 | Memorize | £ 69,073,122 | |
| 12418 | Memory | £ 8,338,774 | |
| 12419 | memos | £ 44,525,104 | |
| 12420 | Men | £ 51,105,006 | |
| 12421 | Men In Black | £ 15,048,355 | |
| 12422 | men of mayhem | £ 5,110,741 | |
| 12423 | Menace | £ 120,290,215 | |
| 12424 | Mend | £ 28,443,353 | |
| 12425 | Mendozas | £ 10,155,704 | |
| 12426 | Menial Duties | £ 13,587,228 | |
| 12427 | Mensa | £ 30,678,192 | |
| 12428 | Mental | £ 18,517,755 | |
| 12429 | Mental corp | £ 50,000 | |
| 12430 | Mental Disease | £ 619,169,867 | |
| 12431 | Meow Meow Corporation | £ 9,692,122 | |
| 12432 | Meowmeows | £ 6,546,378 | |
| 12433 | Mephisto | £ 230,844,295 | |
| 12434 | Mercedes | £ 333,388,191 | |
| 12435 | Mercedes Benz | £ 13,561,258 | |
| 12436 | MercedesAMG Petronas F1 | £ 54,084,993 | |
| 12437 | Mercenaries | £ 1,427,822,080 | |
| 12438 | Mercenaries R Us | £ 119,524,890 | |
| 12439 | Merchiston | £ 79,224,604 | |
| 12440 | Merciful | £ 60,300,861 | |
| 12441 | Merck and Co Inc | £ 55,000,000 | |
| 12442 | Mercurial Holdings | £ 872,596,071 | |
| 12443 | Mercury | £ 83,833,529 | |
| 12444 | Mercy | £ 349,349,131 | |
| 12445 | Mercy Mercy Mercy | £ 9,768,971 | |
| 12446 | Merged Worlds | £ 120,586,114 | |
| 12447 | Mergers and acquisitions | £ 378,407,745 | |
| 12448 | Mergers and Monopolies | £ 862,143,710 | |
| 12449 | Merica | £ 56,698,378 | |
| 12450 | Meridian Marauders | £ 144,768,089 | |
| 12451 | Meritocracy | £ 5,511,444 | |
| 12452 | Merlendari | £ 34,644 | |
| 12453 | Merles Anarchsts | £ 3,733,376 | |
| 12454 | merlin co.uk | £ 351,089,880 | |
| 12455 | Meropenem | £ 51,505,654 | |
| 12456 | merple | £ 7,684,303 | |
| 12457 | Mess | £ 134,532,734 | |
| 12458 | Messy | £ 1,228,094 | |
| 12459 | MET | £ 20,898,349 | |
| 12460 | Met Police Service | £ 906,666,932 | |
| 12461 | Meta | £ 476,383,347 | |
| 12462 | Metal | £ 860,593,648 | |
| 12463 | Metal Church | £ 55,040,228 | |
| 12464 | Metal Gear | £ 7,948,377 | |
| 12465 | metal mulisha | £ 49,071,127 | |
| 12466 | METAL MULISHA CO | £ 13,264,672 | |
| 12467 | Metal Redneck | £ 13,953,424 | |
| 12468 | metal redneck co | £ 5,500,897 | |
| 12469 | Metalcore.Ind | £ 5,882,041 | |
| 12470 | Metalit | £ 1,398,496 | |
| 12471 | Metallica | £ 38,420,056 | |
| 12472 | MetallicLatice | £ 273,061 | |
| 12473 | Metantatopy | £ 306,149,463 | |
| 12474 | Metaphorisms | £ 1,409,332,172 | |
| 12475 | Metathoric Chocolates | £ 5,505,012 | |
| 12476 | Meteor | £ 5,109,252 | |
| 12477 | Meteor Shower | £ 891,977,507 | |
| 12478 | Meth | £ 83,666,830 | |
| 12479 | Meth Inq | £ 192,418 | |
| 12480 | methadrine inc. | £ -2,620,751 | |
| 12481 | methane | £ 167,580,714 | |
| 12482 | Method Not Allowed | £ 43,462,854 | |
| 12483 | Methuselah | £ 1,235,104,585 | |
| 12484 | metime | £ 7,016,004 | |
| 12485 | Metrics | £ 5,534,939 | |
| 12486 | Metro Boomin | £ 130,369,238 | |
| 12487 | Metro bucks | £ 127,208,808 | |
| 12488 | Metro News | £ 1,186,988 | |
| 12489 | Metrocity | £ 154,496,934 | |
| 12490 | MetroMan | £ 2,205,870 | |
| 12491 | MewMew | £ 3,983,504 | |
| 12492 | Mewtwo | £ 3,051,952 | |
| 12493 | Mexican Elf-Fellaters | £ 380,836 | |
| 12494 | Mexico | £ 143,099,228 | |
| 12495 | MFP | £ 55,947,585 | |
| 12496 | MG metal | £ 83,272,537 | |
| 12497 | MGandH | £ 5,503,263 | |
| 12498 | MGM Grand Las Vegas | £ 57,107,896 | |
| 12499 | Mi Socio | £ 238,322,295 | |
| 12500 | MI5 | £ 141,793,336 | |
