The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 22801 | The Mad House | £ 51,706,990 | |
| 22802 | the madman | £ 58,693,331 | |
| 22803 | The Mafia | £ 117,704,083 | |
| 22804 | The Magic Castle | £ 136,600,825 | |
| 22805 | The Magic Dog | £ 5,342,231 | |
| 22806 | The Magic Roundabout | £ 39,202,274 | |
| 22807 | The Magic Smoke | £ 146,733,119 | |
| 22808 | The Magic Torch | £ 473,241,474 | |
| 22809 | The Magical Forest | £ 86,898,264 | |
| 22810 | The Magician | £ 809,968,819 | |
| 22811 | The Maginot Line | £ 188,719,834 | |
| 22812 | The Magna Carta | £ 344,369,982 | |
| 22813 | The Mainstream | £ 774,545,072 | |
| 22814 | The Majestic Clown | £ 560,094,074 | |
| 22815 | The Major | £ 6,700,434 | |
| 22816 | The malevolence | £ 139,044,065 | |
| 22817 | the Manhattan Company | £ 1,639,178,951 | |
| 22818 | The Manhattan Project | £ 83,130,996 | |
| 22819 | The Manor | £ 1,197,203,714 | |
| 22820 | the manta | £ 276,055,997 | |
| 22821 | The Manx Express | £ 249,940,164 | |
| 22822 | The Many | £ 359,142,808 | |
| 22823 | The Marathon inc. | £ 129,600,183 | |
| 22824 | The Mask | £ 176,042,378 | |
| 22825 | THE MASSES | £ 645,920,385 | |
| 22826 | The Master Baker | £ 6,896,521 | |
| 22827 | The Matress Co. | £ 100,399,840 | |
| 22828 | The Matrix | £ 11,485,333 | |
| 22829 | The Matrix Reloaded | £ 14,205,259 | |
| 22830 | The Matter | £ 2,873,644,737 | |
| 22831 | The Maya | £ 339,027,331 | |
| 22832 | The Mayan Civilization | £ 238,808,712 | |
| 22833 | The Mayans | £ 11,762,395 | |
| 22834 | The Meaty Mallet | £ 219,748,066 | |
| 22835 | The Mechanic | £ 73,904,728 | |
| 22836 | The Medellin Cartel | £ 1,077,713,433 | |
| 22837 | The Mega Ship | £ 242,076,377 | |
| 22838 | The Melon Patch | £ 1,064,694,626 | |
| 22839 | The Meme | £ 1,565,699 | |
| 22840 | The Memphis Belle | £ 690,810,086 | |
| 22841 | the Menacing Tomatoes | £ 86,673,776 | |
| 22842 | The Mental Retards | £ 98,167,935 | |
| 22843 | The Merchant Fleet 01 | £ 25,009,697 | |
| 22844 | The Merchant Fleet 02 | £ 45,019,303 | |
| 22845 | The Merchant Fleet 03 | £ 29,966,027 | |
| 22846 | The Merchant Fleet 04 | £ 34,753,571 | |
| 22847 | The Merchant Fleet 05 | £ 9,278,122 | |
| 22848 | The Merchant Fleet 06 | £ 37,434,556 | |
| 22849 | The Merchant Fleet 07 | £ 45,301,340 | |
| 22850 | The Merchant Fleet 08 | £ 35,676,110 | |
| 22851 | The Merchant Fleet 09 | £ 25,841,555 | |
| 22852 | The Merchant Fleet 10 | £ 33,125,233 | |
| 22853 | the merciless | £ 54,993,376 | |
| 22854 | The Merovingian | £ 1,067,192 | |
| 22855 | The Merry Lynchmen | £ 6,347,929 | |
| 22856 | The Merry-men | £ 7,761,231,290 | |
| 22857 | The Miami Heat | £ 277,397,071 | |
| 22858 | the Microscope | £ 422,348,829 | |
| 22859 | the Middle East | £ 4,349,219 | |
| 22860 | The Middle Lane | £ 50,278,417 | |
| 22861 | The Middle-Ages | £ 5,431,112,091 | |
| 22862 | The Midnight Dragon | £ 479,640,806 | |
| 22863 | The Midnight Gardener | £ 8,093,409 | |
| 22864 | The Mighty Mississippi | £ 60,039,958 | |
| 22865 | The Mighty One | £ 2,070,018,210 | |
| 22866 | The Mile High Club | £ 1,725,013,727 | |
| 22867 | The Milestone | £ 23,704,110 | |
| 22868 | the Militia Immaculata | £ 1,066,565,443 | |
| 22869 | The Milkmans Eye | £ 10,437,798 | |
| 22870 | The Mill | £ 361,225,502 | |
| 22871 | The Millenium | £ 396,179,756 | |
| 22872 | the Millers Son | £ 6,350,555,600 | |
| 22873 | The Mind | £ -166,243 | |
| 22874 | The Mirage | £ 44,772,935 | |
| 22875 | The Mob | £ 2,338,184 | |
| 22876 | The Mobile Phone | £ 21,425,857 | |
| 22877 | The Mog Station | £ 81,096,071 | |
| 22878 | The Mohicans | £ 71,658,887 | |
| 22879 | The Moist Envelope Co. | £ 16,977,080 | |
| 22880 | the Mole People | £ 58,738,078 | |
| 22881 | the molly maguires | £ 662,415,023 | |
| 22882 | The Moment | £ 682,279,892 | |
| 22883 | The Mona Lisa | £ 5,502,730 | |
| 22884 | The Monarchy | £ 150,682,640 | |
| 22885 | the money | £ 132,791,348 | |
| 22886 | The Money Bin | £ 54,577,164 | |
| 22887 | The Money Corporation | £ 10,985,764 | |
| 22888 | The Mongol Horde | £ 2,248,823,987 | |
| 22889 | THE MONKEY | £ 27,480,751 | |
| 22890 | The month | £ 14,421,171 | |
| 22891 | The Montmartre | £ 6,136,112 | |
| 22892 | the Moody Goose | £ 217,282,144 | |
| 22893 | The Moon | £ 59,386,228 | |
| 22894 | the moon incorporated | £ 5,552,241 | |
| 22895 | The Moon Is | £ 167,808,651 | |
| 22896 | The Mooninites | £ 320,421,660 | |
| 22897 | The Moonriders | £ 208,782,443 | |
| 22898 | the moons | £ 11,774,272 | |
| 22899 | The Moose is Loose | £ 39,957,517 | |
| 22900 | The Mooses | £ 119,334,426 | |
