The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 10601 | Meth Inq | £ 192,418 | |
| 10602 | methadrine inc. | £ -2,620,751 | |
| 10603 | methane | £ 167,580,714 | |
| 10604 | Methuselah | £ 1,235,104,585 | |
| 10605 | metime | £ 7,016,004 | |
| 10606 | MeToo | £ 48,902,168 | |
| 10607 | metro | £ 326,059,689 | |
| 10608 | Metro News | £ 1,186,988 | |
| 10609 | Metrocity | £ 117,426,077 | |
| 10610 | MetroMan | £ 2,205,870 | |
| 10611 | MewMew | £ 3,983,504 | |
| 10612 | Mexican Elf-Fellaters | £ 380,836 | |
| 10613 | Mexican Fine Dining | £ 147,174,383 | |
| 10614 | Mexico | £ 143,099,228 | |
| 10615 | MG metal | £ 83,272,537 | |
| 10616 | MGandH | £ 5,503,263 | |
| 10617 | Mi Socio | £ 236,861,461 | |
| 10618 | MI5 | £ 141,793,336 | |
| 10619 | MI6 | £ 150,488,809 | |
| 10620 | mia lingua italiana | £ 446,549,861 | |
| 10621 | Mia Ventures | £ 182,100,857 | |
| 10622 | Miami | £ 58,175,004 | |
| 10623 | Miami Heat | £ 1,187,523 | |
| 10624 | Miccpelt | £ 414,182,779 | |
| 10625 | Mice | £ 54,981,578 | |
| 10626 | Mice and Men | £ 406,351,331 | |
| 10627 | Mice CORP | £ 4,657,778 | |
| 10628 | Mice INC | £ -8,592,908 | |
| 10629 | Mice LTD | £ -1,811 | |
| 10630 | Mice TM | £ -240,470 | |
| 10631 | Michael | £ 1,522,266 | |
| 10632 | Michael Jackson | £ 35,590,097 | |
| 10633 | MichaelUnitedJuggernaut | £ 944,737 | |
| 10634 | Michelangelo | £ 63,411,929 | |
| 10635 | Michelin Mogul | £ 89,056,676 | |
| 10636 | Michigan | £ 83,780,074 | |
| 10637 | Michigan 1 | £ 4,091,450 | |
| 10638 | Mickey Mouse | £ 534,504,800 | |
| 10639 | micks empire | £ 5,500,143 | |
| 10640 | Micky | £ 1,186,247,866 | |
| 10641 | Micoss | £ 50,000 | |
| 10642 | Micro Waves | £ 27,270,073 | |
| 10643 | Microbix | £ 5,230,264 | |
| 10644 | Microboom | £ 45,468,171 | |
| 10645 | Microhard | £ 16,911,150 | |
| 10646 | Microserve | £ 5,974,813 | |
| 10647 | Microsft Enterprises | £ 6,100,321 | |
| 10648 | Microsoft | £ 564,820,057 | |
| 10649 | Microsoft Corporation | £ 58,800,390 | |
| 10650 | Microsoft Inc | £ 47,435,049 | |
| 10651 | Microsoft Retail Ltd. | £ 1,276,186 | |
| 10652 | Midas | £ 26,756,564 | |
| 10653 | Midgar | £ 17,036,842 | |
| 10654 | Midget | £ 6,955,245,553 | |
| 10655 | Midget Enterprises | £ 4,592,005,545 | |
| 10656 | Midget Inc | £ 9,759,712,772 | |
| 10657 | Midget Tossing | £ 57,557,330 | |
| 10658 | Midget World | £ 20,288,292,395 | |
| 10659 | Midgets | £ 83,354,303 | |
| 10660 | Midlands13th | £ 6,244,011 | |
| 10661 | Midnight | £ 50,252,909 | |
| 10662 | Midnight Bombers | £ 32,340,913 | |
| 10663 | Midnight Express | £ 52,062,394 | |
| 10664 | Midnight Fun | £ 186,160,753 | |
| 10665 | Midnight Madness | £ 1,057,296,161 | |
| 10666 | Midnight Marauder | £ 32,345,237 | |
| 10667 | Midnight Marauders | £ 553,311,151 | |
| 10668 | Midnight Rider | £ 1,145,186,918 | |
| 10669 | midnight run | £ 257,727,295 | |
| 10670 | Migdets Mom | £ 54,069,365 | |
| 10671 | Might and Magic | £ 423,208 | |
| 10672 | MightBeRight Industries | £ 6,243,134 | |
| 10673 | mighty boosh | £ 176,084 | |
| 10674 | MIGHTY MOUSE | £ 122,814,519 | |
| 10675 | Miguel Cotto | £ 198,095,540 | |
| 10676 | Mij Dan | £ 199,252,042 | |
| 10677 | Mijn vliegmachine | £ 5,506,987 | |
| 10678 | Mike Hunt | £ 193,467,436 | |
| 10679 | Mike Tyson | £ 194,766,793 | |
| 10680 | Mike Tyson mysteries | £ 85,813,405 | |
| 10681 | miked re | £ 55,307,237 | |
| 10682 | Mikem | £ 3,201,045,591 | |
| 10683 | MikeM Enterprises | £ 19,136,827 | |
| 10684 | Mikems Main Company | £ 79,372,363 | |
| 10685 | MikeysMillions | £ 6,525,157 | |
| 10686 | Miklagaard | £ 42,330,338 | |
| 10687 | mild flanging effect | £ 550,481,202 | |
| 10688 | Milestone Tomorrow | £ 598,168 | |
| 10689 | Milf Inc. | £ 74,819,012 | |
| 10690 | Milk | £ 374,457,790 | |
| 10691 | Milk Tray | £ 159,123,521 | |
| 10692 | milktray | £ 2,289,863 | |
| 10693 | milkyway | £ 4,197,343 | |
| 10694 | Millennium Falcon | £ 99,404,066 | |
| 10695 | Miller Time | £ 17,723,529 | |
| 10696 | Million Inc. | £ -293,992 | |
| 10697 | Millions Holdings Plc | £ 66,308,357 | |
| 10698 | Millwall | £ 7,007,570 | |
| 10699 | Millwall F.C. | £ 215,672,325 | |
| 10700 | Milnezy | £ 50,000 | |
