The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 11801 | Mechastein Inc | £ 60,914,193 | |
| 11802 | Mechrock | £ 275,622,070 | |
| 11803 | Media Market | £ 31,425,226 | |
| 11804 | Media Player | £ 11,385,898 | |
| 11805 | Medical City | £ 950,273,052 | |
| 11806 | Medicine | £ 81,678,262 | |
| 11807 | Medicine.Com | £ 184,984,146 | |
| 11808 | Medient | £ 508,983 | |
| 11809 | Mediumship | £ 162,850,423 | |
| 11810 | MedPharm | £ 62,403,617 | |
| 11811 | Medusa | £ 290,947,180 | |
| 11812 | Medwain | £ 110,111,172 | |
| 11813 | Mee | £ 27,657,186 | |
| 11814 | Meeney Corp | £ 9,839,052 | |
| 11815 | Meeny Inc | £ 22,570,987 | |
| 11816 | Meep meep | £ 493,156,074 | |
| 11817 | Meerkat Movies | £ 70,976,024 | |
| 11818 | Meerkats | £ 550,594,543 | |
| 11819 | MEG LTD | £ 23,571 | |
| 11820 | Mega Blox | £ 18,211,643,458 | |
| 11821 | MEGA BUDZ | £ 141,053 | |
| 11822 | Mega Corporation | £ 172,049 | |
| 11823 | Mega Corporations | £ 46,579,095 | |
| 11824 | Mega Mindy | £ 4,096,781 | |
| 11825 | Mega Mullets | £ 68,118,288 | |
| 11826 | MEGA Resources | £ 572,731 | |
| 11827 | Megababy Co. | £ 50,000 | |
| 11828 | Megabucks | £ 111,934 | |
| 11829 | Megabucks Dundee | £ 50,000 | |
| 11830 | Megabucks Inc | £ 5,930,887 | |
| 11831 | Megabucks United | £ 4,290,972 | |
| 11832 | Megacorp | £ 594,680 | |
| 11833 | MEGACUCKxXxPEENLOVER | £ 6,893,653 | |
| 11834 | Megadeth | £ 65,357,403 | |
| 11835 | MegaDeth Mob | £ 61,516,745 | |
| 11836 | MegaloMafia | £ 612,786 | |
| 11837 | megamolloy | £ 2,797,245 | |
| 11838 | megamolloy3 | £ 4,226,104 | |
| 11839 | megapolis | £ 27,651,775 | |
| 11840 | Megasuperbadass Mart | £ 2,903,109 | |
| 11841 | Megaton | £ 290,639,244 | |
| 11842 | Megatron | £ 397,174,154 | |
| 11843 | Mehrunes Dagon | £ 239,206,510 | |
| 11844 | Mein Kampf | £ 183,164,770 | |
| 11845 | MELA | £ 923,348,418 | |
| 11846 | Melandas | £ 4,266,236 | |
| 11847 | Melandas Dynasty | £ 4,129,183 | |
| 11848 | Melandas General | £ 2,020,971 | |
| 11849 | Melandas Global | £ 3,541,345 | |
| 11850 | Melandas Pte Ltd | £ 3,229,876 | |
| 11851 | Melbourne | £ 358,554,023 | |
| 11852 | Melissa | £ 137,653,069 | |
| 11853 | Melissa Benoist | £ 681,251,959 | |
| 11854 | Mellonballs | £ 9,882 | |
| 11855 | Mellons | £ 11,146 | |
| 11856 | Melodic Minor | £ 38,491,832 | |
| 11857 | Melting Apples | £ 53,274,340 | |
| 11858 | Melvin Capital | £ 12,992,030 | |
| 11859 | Members Only | £ 3,896,168 | |
| 11860 | Memo Re Foam | £ 163,951,375 | |
| 11861 | Memoria | £ 82,597,593 | |
| 11862 | Memories | £ 61,112 | |
| 11863 | Memorize | £ 69,073,122 | |
| 11864 | Memory | £ 8,338,774 | |
| 11865 | Men | £ 51,105,006 | |
| 11866 | Men In Black | £ 15,048,355 | |
| 11867 | men of mayhem | £ 5,110,741 | |
| 11868 | Menace | £ 120,290,215 | |
| 11869 | Mend | £ 28,443,353 | |
| 11870 | Mendozas | £ 10,155,704 | |
| 11871 | Menial Duties | £ 13,587,228 | |
| 11872 | Menopause | £ 3,405,240 | |
| 11873 | Mensa | £ 30,678,192 | |
| 11874 | Mental | £ 18,517,755 | |
| 11875 | Mental corp | £ 50,000 | |
| 11876 | Mental Disease | £ 619,169,867 | |
| 11877 | Meow Meow Corporation | £ 9,692,122 | |
| 11878 | Meowmeows | £ 6,546,378 | |
| 11879 | Mephisto | £ 160,553,973 | |
| 11880 | Mephistopheles | £ 108,730,107 | |
| 11881 | Mercedes | £ 333,388,191 | |
| 11882 | Mercedes Benz | £ 13,561,258 | |
| 11883 | MercedesAMG Petronas F1 | £ 54,084,993 | |
| 11884 | Mercenaries | £ 1,025,791,487 | |
| 11885 | Mercenaries R Us | £ 119,524,890 | |
| 11886 | Merchiston | £ 79,224,604 | |
| 11887 | Merciful | £ 60,300,861 | |
| 11888 | Merciless | £ 52,967,252 | |
| 11889 | Merck and Co Inc | £ 50,000 | |
| 11890 | Mercurial Skirmish 161 | £ 18,337,880 | |
| 11891 | Mercury | £ 143,136,466 | |
| 11892 | Mercy | £ 335,849,131 | |
| 11893 | Merged Worlds | £ 120,586,114 | |
| 11894 | Mergers and acquisitions | £ 148,878,142 | |
| 11895 | Mergers and Monopolies | £ 273,918,887 | |
| 11896 | Merica | £ 56,698,378 | |
| 11897 | Merit | £ 252,144,129 | |
| 11898 | Merles Anarchsts | £ 3,733,376 | |
| 11899 | Meropenem | £ 42,440,970 | |
| 11900 | merple | £ 7,684,303 | |
