The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 12801 | Maximum Profit | £ 5,583,604 | |
| 12802 | MaximumRetaliation | £ 345,639 | |
| 12803 | Maximus Inc | £ -27,673 | |
| 12804 | maximus industries | £ 52,863,673 | |
| 12805 | Maximus Pyrotechnics | £ -22,809,232 | |
| 12806 | Maximus Storage | £ 4,310,218 | |
| 12807 | Maximuscle | £ 3,759,106 | |
| 12808 | Maxxis | £ 2,547,439 | |
| 12809 | May | £ 321,223,063 | |
| 12810 | May Day | £ 10,362,997 | |
| 12811 | May Hay | £ 6,903,268 | |
| 12812 | may help | £ 23,308,617 | |
| 12813 | Maya | £ 857,798,735 | |
| 12814 | Mayans | £ 28,668,150 | |
| 12815 | Maybach Music | £ 12,470,379 | |
| 12816 | Mayhem | £ 116,618,582 | |
| 12817 | Mayoland Inc. | £ -390,754 | |
| 12818 | Maz1 | £ 4,123,280 | |
| 12819 | Maz2 | £ 4,145,139 | |
| 12820 | Maz3 | £ 4,137,031 | |
| 12821 | Maz4 | £ 4,101,386 | |
| 12822 | Maziacs | £ 214,690,206 | |
| 12823 | MazManInc | £ 258,718 | |
| 12824 | mbm | £ 81,202,527 | |
| 12825 | Mc Dowells 2.0 | £ 14,294,011 | |
| 12826 | mc3 | £ 62,358,543 | |
| 12827 | McBombFace | £ 3,871,640 | |
| 12828 | Mcboobs Knocking Shops | £ 27,084 | |
| 12829 | mcbuttface | £ 3,955,729 | |
| 12830 | McCann Ind | £ -29,449 | |
| 12831 | McCon Inc. | £ 82,346,992 | |
| 12832 | McCormick Enterprises | £ 704,217 | |
| 12833 | McDAB | £ 76,475,382 | |
| 12834 | McDavid | £ 5,507,687 | |
| 12835 | McDonalds | £ 18,885,463 | |
| 12836 | Mcdonalds Corporation | £ 134,518,979 | |
| 12837 | McDonaldsZim | £ 63,176,931 | |
| 12838 | McDuck Enterprises | £ 39,780,943 | |
| 12839 | McDumponface | £ 3,660 | |
| 12840 | McFadden | £ -131,571 | |
| 12841 | Mcfc88 | £ 10,404,015 | |
| 12842 | McFcuk | £ 3,374,116 | |
| 12843 | McGarrett | £ 193,129,471 | |
| 12844 | McGeeters | £ 83,681 | |
| 12845 | McGill | £ 55,076,173 | |
| 12846 | McGirk Waste Management | £ 86,656 | |
| 12847 | MCI Communications | £ 134,374,955 | |
| 12848 | Mckutchen | £ 1,830,803 | |
| 12849 | Mclaren Mercedes | £ 2,778,685 | |
| 12850 | McLovin | £ 2,299,983 | |
| 12851 | mcm | £ 57,999,853 | |
| 12852 | McNasty Burgers | £ 61,139,769 | |
| 12853 | McNuthugger | £ 5,002,136 | |
| 12854 | MCOC | £ 56,966,011 | |
| 12855 | Mcsmash | £ -11,927 | |
| 12856 | MDD Company | £ 34,883,687 | |
| 12857 | MDD3 company | £ 52,874,397 | |
| 12858 | MDD4 company | £ 39,561,399 | |
| 12859 | MDMA | £ 58,653,746 | |
| 12860 | Mdog 4 life | £ 233,659,584 | |
| 12861 | Mdog Enterprises | £ 164,256,199 | |
| 12862 | MDP | £ 10,472,259 | |
| 12863 | MDW Business | £ 5,507,240 | |
| 12864 | Me And I | £ 629,795 | |
| 12865 | me corp | £ 2,801,416 | |
| 12866 | Me crack in | £ 131,344,322 | |
| 12867 | me free | £ 367,615,854 | |
| 12868 | Me Only | £ 4,926,881 | |
| 12869 | Me Please | £ 82,095,731 | |
| 12870 | Me Silly | £ 106,123,518 | |
| 12871 | Me to see | £ 62,947,323 | |
| 12872 | Me, Im Counting | £ 4,820,143,977 | |
| 12873 | MEA | £ 356,839,045 | |
| 12874 | Meadow | £ 349,035,541 | |
| 12875 | Meal Time | £ 53,033,234 | |
| 12876 | Mean and Deadly LTD | £ 10,098,464 | |
| 12877 | Mean Electricity Ltd | £ -5,065,941 | |
| 12878 | Mean Machine | £ 174,484,012 | |
| 12879 | Mean Machine 10 | £ 101,887,250 | |
| 12880 | Mean Machine 11 | £ 83,273,024 | |
| 12881 | Mean Machine 12 | £ 24,847,409 | |
| 12882 | Mean Machine 2 | £ 112,632,517 | |
| 12883 | Mean Machine 3 | £ 125,726,960 | |
| 12884 | Mean Machine 4 | £ 180,450,398 | |
| 12885 | Mean Machine 5 | £ 160,955,182 | |
| 12886 | Mean Machine 6 | £ 135,487,477 | |
| 12887 | Mean Machine 7 | £ 104,371,655 | |
| 12888 | Mean Machine 8 | £ 124,950,567 | |
| 12889 | Mean Machine 9 | £ 104,923,716 | |
| 12890 | Meanies | £ 8,065,960 | |
| 12891 | Meaning | £ 261,740,977 | |
| 12892 | meanmoney | £ 288,694 | |
| 12893 | Means | £ 1,790,892,545 | |
| 12894 | Meastro2 | £ 239,761 | |
| 12895 | Measurement | £ 1,169,469,436 | |
| 12896 | MEAT | £ 67,857,491 | |
| 12897 | meat locker | £ 4,528,034 | |
| 12898 | Meat Pies | £ 4,217,653 | |
| 12899 | Meat popsticle | £ 18,382,336 | |
| 12900 | meats | £ 682,792,016 | |
