The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 12801 | Mean and Deadly LTD | £ 10,098,464 | |
| 12802 | Mean Machine | £ 174,484,012 | |
| 12803 | Mean Machine 10 | £ 101,887,250 | |
| 12804 | Mean Machine 11 | £ 83,273,024 | |
| 12805 | Mean Machine 12 | £ 24,847,409 | |
| 12806 | Mean Machine 2 | £ 112,632,517 | |
| 12807 | Mean Machine 3 | £ 125,726,960 | |
| 12808 | Mean Machine 4 | £ 180,450,398 | |
| 12809 | Mean Machine 5 | £ 160,955,182 | |
| 12810 | Mean Machine 6 | £ 135,487,477 | |
| 12811 | Mean Machine 7 | £ 104,371,655 | |
| 12812 | Mean Machine 8 | £ 124,950,567 | |
| 12813 | Mean Machine 9 | £ 104,923,716 | |
| 12814 | Meanies | £ 8,065,960 | |
| 12815 | Meaning | £ 261,740,977 | |
| 12816 | Means | £ 1,785,933,109 | |
| 12817 | Means Motive Opportunity | £ 1,346,001,185 | |
| 12818 | Meastro2 | £ 4,609,257 | |
| 12819 | Measurement | £ 1,528,484,989 | |
| 12820 | MEAT | £ 67,857,491 | |
| 12821 | meat locker | £ 4,528,034 | |
| 12822 | Meat popsticle | £ 18,382,336 | |
| 12823 | meats | £ 682,792,016 | |
| 12824 | MeatSacks LTD | £ 3,245,824 | |
| 12825 | MeatTrainers | £ 52,950,887 | |
| 12826 | mebers^6 | £ 1,012,181 | |
| 12827 | Mechanical Keyboards | £ 39,699,718 | |
| 12828 | Mechanical Knowledge | £ 103,853,932 | |
| 12829 | Mechastein | £ 113,756,702 | |
| 12830 | Mechastein Inc | £ 60,914,193 | |
| 12831 | Mechrock | £ 397,826,364 | |
| 12832 | Medellin | £ 10,619,929 | |
| 12833 | Medellin 27 | £ 53,516,627 | |
| 12834 | Medellin11 | £ 10,563,922 | |
| 12835 | Medellin13 | £ 8,726,971 | |
| 12836 | Medellin14 | £ 41,604,365 | |
| 12837 | Medellin15 | £ 15,842,537 | |
| 12838 | Medellin18 | £ 8,669,554 | |
| 12839 | Medellin19 | £ 9,019,839 | |
| 12840 | Medellin21 | £ 8,195,062 | |
| 12841 | Medellin22 | £ 10,374,427 | |
| 12842 | Medellin23 | £ 8,795,968 | |
| 12843 | Medellin25 | £ 9,539,347 | |
| 12844 | Medellin26 | £ 15,757,140 | |
| 12845 | Medellin29 | £ 9,337,974 | |
| 12846 | Medellin3 | £ 10,309,224 | |
| 12847 | Medellin30 | £ 9,420,523 | |
| 12848 | Medellin33 | £ 14,877,143 | |
| 12849 | Medellin36 | £ 10,489,358 | |
| 12850 | Medellin37 | £ 8,714,697 | |
| 12851 | Medellin40 | £ 42,366,277 | |
| 12852 | Medellin45 | £ 9,204,199 | |
| 12853 | Medellin5 | £ 10,655,389 | |
| 12854 | Medellin6 | £ 8,586,798 | |
| 12855 | Medellin7 | £ 41,650,349 | |
| 12856 | Media Player | £ 11,385,898 | |
| 12857 | Medical City | £ 1,819,187,788 | |
| 12858 | Medications | £ 56,501,237 | |
| 12859 | Medicine | £ 107,658,336 | |
| 12860 | Medicine.Com | £ 184,984,146 | |
| 12861 | Medickey | £ 33,663,609 | |
| 12862 | Medient | £ 508,983 | |
| 12863 | Mediolanum | £ 89,849,157 | |
| 12864 | Medium Cheese Corp. | £ 2,903,395 | |
| 12865 | Mediumship | £ 845,665,818 | |
| 12866 | MedPharm | £ 62,403,617 | |
| 12867 | Medusa | £ 290,947,180 | |
| 12868 | Medwain | £ 110,111,172 | |
| 12869 | Mee | £ 27,657,186 | |
| 12870 | Meeney Corp | £ 9,839,052 | |
| 12871 | Meeny Inc | £ 22,570,987 | |
| 12872 | Meep meep | £ 493,156,074 | |
| 12873 | Meerkats | £ 550,594,543 | |
| 12874 | Mega Blox | £ 30,733,815,272 | |
| 12875 | Mega Boxes Around | £ 275,543,155 | |
| 12876 | Mega Bus | £ 127,000,909 | |
| 12877 | Mega Corporations | £ 46,579,095 | |
| 12878 | Mega Mindy | £ 4,096,781 | |
| 12879 | Mega Mullets | £ 347,102,098 | |
| 12880 | MEGA Resources | £ 572,731 | |
| 12881 | Mega Streak | £ 223,794,963 | |
| 12882 | Megabucks Inc | £ 5,930,887 | |
| 12883 | Megabucks United | £ 4,290,972 | |
| 12884 | Megabyte Systems | £ 49,744,034 | |
| 12885 | Megacorp | £ 594,680 | |
| 12886 | MEGACUCKxXxPEENLOVER | £ 6,893,653 | |
| 12887 | Megadeth | £ 65,357,403 | |
| 12888 | MegaDeth Mob | £ 61,516,745 | |
| 12889 | MegaloMafia | £ 612,786 | |
| 12890 | megamolloy | £ 2,797,245 | |
| 12891 | megamolloy3 | £ 4,226,104 | |
| 12892 | megapolis | £ 27,651,775 | |
| 12893 | Megasuperbadass Mart | £ 2,903,109 | |
| 12894 | Megaton | £ 290,639,244 | |
| 12895 | Megaton Atomic Research | £ 7,533,717 | |
| 12896 | Megatron | £ 397,174,154 | |
| 12897 | Mehoff Erection Co | £ 4,005,620 | |
| 12898 | Mehrunes Dagon | £ 293,462,589 | |
| 12899 | Mehx Mehx | £ 3,784,133 | |
| 12900 | Mein Kampf | £ 183,164,770 | |
