The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 10401 | Merciful | £ 5,254,502 | |
| 10402 | Merciless | £ 52,967,252 | |
| 10403 | Merck and Co Inc | £ 50,000 | |
| 10404 | Mercurial Skirmish 161 | £ 18,337,880 | |
| 10405 | Mercury | £ 56,920,095 | |
| 10406 | Mercy | £ 203,709,743 | |
| 10407 | Merica | £ 56,698,378 | |
| 10408 | Merit | £ 252,144,129 | |
| 10409 | Merles Anarchsts | £ 3,733,376 | |
| 10410 | MET | £ 20,898,349 | |
| 10411 | Metal | £ 68,664,776 | |
| 10412 | Metal Church | £ 55,040,228 | |
| 10413 | Metal Gear | £ 7,948,377 | |
| 10414 | metal mulisha | £ 49,071,127 | |
| 10415 | METAL MULISHA CO | £ 13,264,672 | |
| 10416 | Metal Redneck | £ 13,953,424 | |
| 10417 | metal redneck co | £ 5,500,897 | |
| 10418 | Metalcore.Ind | £ 5,882,041 | |
| 10419 | Metalit | £ 1,398,496 | |
| 10420 | Metallica | £ 38,420,056 | |
| 10421 | MetallicLatice | £ 273,061 | |
| 10422 | Metantatopy | £ 306,149,463 | |
| 10423 | Meteor Shower | £ 891,977,507 | |
| 10424 | Meth | £ 83,666,830 | |
| 10425 | Meth Inq | £ 192,418 | |
| 10426 | methadrine inc. | £ -2,620,751 | |
| 10427 | methane | £ 167,580,714 | |
| 10428 | Methuselah | £ 1,235,104,585 | |
| 10429 | metime | £ 7,016,004 | |
| 10430 | MeToo | £ 48,902,168 | |
| 10431 | metro | £ 326,059,689 | |
| 10432 | Metro News | £ 1,186,988 | |
| 10433 | Metrocity | £ 117,426,077 | |
| 10434 | MetroMan | £ 2,205,870 | |
| 10435 | MewMew | £ 3,983,504 | |
| 10436 | Mexican Elf-Fellaters | £ 380,836 | |
| 10437 | Mexican Fine Dining | £ 120,767,643 | |
| 10438 | Mexico | £ 143,099,228 | |
| 10439 | MG metal | £ 83,272,537 | |
| 10440 | MGandH | £ 5,503,263 | |
| 10441 | Mi Socio | £ 236,861,461 | |
| 10442 | MI5 | £ 141,793,336 | |
| 10443 | MI6 | £ 150,488,809 | |
| 10444 | mia lingua italiana | £ 446,549,861 | |
| 10445 | Mia Ventures | £ 182,100,857 | |
| 10446 | Miami | £ 58,175,004 | |
| 10447 | Miami Heat | £ 1,187,523 | |
| 10448 | Miccpelt | £ 414,182,779 | |
| 10449 | Mice | £ 54,981,578 | |
| 10450 | Mice and Men | £ 406,351,331 | |
| 10451 | Mice CORP | £ 4,657,778 | |
| 10452 | Mice INC | £ -8,592,908 | |
| 10453 | Mice LTD | £ -1,811 | |
| 10454 | Mice TM | £ -240,470 | |
| 10455 | Michael | £ 1,522,266 | |
| 10456 | Michael Jackson | £ 35,590,097 | |
| 10457 | MichaelUnitedJuggernaut | £ 944,737 | |
| 10458 | Michelangelo | £ 63,411,929 | |
| 10459 | Michelin Mogul | £ 89,056,676 | |
| 10460 | Michigan | £ 83,780,074 | |
| 10461 | Michigan 1 | £ 4,091,450 | |
| 10462 | Mickey Mouse | £ 534,504,800 | |
| 10463 | micks empire | £ 5,500,143 | |
| 10464 | Micky | £ 803,404,630 | |
| 10465 | Micoss | £ 50,000 | |
| 10466 | Micro Waves | £ 27,270,073 | |
| 10467 | Microbix | £ 5,230,264 | |
| 10468 | Microboom | £ 45,468,171 | |
| 10469 | Microhard | £ 16,911,150 | |
| 10470 | Microserve | £ 5,974,813 | |
| 10471 | Microsft Enterprises | £ 6,100,321 | |
| 10472 | Microsoft | £ 564,820,057 | |
| 10473 | Microsoft Corporation | £ 58,800,390 | |
| 10474 | Microsoft Retail Ltd. | £ 1,276,186 | |
| 10475 | Midas | £ 26,756,564 | |
| 10476 | Midgar | £ 17,036,842 | |
| 10477 | Midget | £ 6,933,281,889 | |
| 10478 | Midget Enterprises | £ 4,576,064,754 | |
| 10479 | Midget Inc | £ 9,733,832,570 | |
| 10480 | Midget Tossing | £ 57,557,330 | |
| 10481 | Midget World | £ 20,006,530,331 | |
| 10482 | Midgets | £ 83,354,303 | |
| 10483 | Midlands13th | £ 6,244,011 | |
| 10484 | Midnight | £ 50,252,909 | |
| 10485 | Midnight Bombers | £ 32,340,913 | |
| 10486 | Midnight Express | £ 52,062,394 | |
| 10487 | Midnight Fun | £ 186,160,753 | |
| 10488 | Midnight Madness | £ 1,446,197,661 | |
| 10489 | Midnight Marauder | £ 35,547,408 | |
| 10490 | Midnight Marauders | £ 553,311,151 | |
| 10491 | Midnight Rider | £ 676,432,532 | |
| 10492 | midnight run | £ 257,727,295 | |
| 10493 | Migdets Mom | £ 62,435,359 | |
| 10494 | Might and Magic | £ 423,208 | |
| 10495 | MightBeRight Industries | £ 6,243,134 | |
| 10496 | mighty boosh | £ 176,084 | |
| 10497 | MIGHTY MOUSE | £ 122,814,519 | |
| 10498 | Miguel Cotto | £ 198,095,540 | |
| 10499 | Mij Dan | £ 199,252,042 | |
| 10500 | Mijn vliegmachine | £ 5,506,987 | |
