The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 13701 | mackbean | £ 29,057,490 | |
| 13702 | Mackensen | £ 1,985,565 | |
| 13703 | Macks Autos | £ 54,727,113 | |
| 13704 | MacPro | £ 60,967,224 | |
| 13705 | MacroHard-1 | £ 5,898,317 | |
| 13706 | MacroPolo Ent | £ 114,889,566 | |
| 13707 | MacroPolo Inc | £ 59,339,741 | |
| 13708 | Macros The Black | £ 93,166,215 | |
| 13709 | macs united | £ 170,666 | |
| 13710 | MactheKnife | £ 12,601,969 | |
| 13711 | Macwill | £ 5,259,176 | |
| 13712 | macwill2285 | £ 9,334,215 | |
| 13713 | MAD AS HELL | £ 2,349,476 | |
| 13714 | Mad Cow Disease | £ 367,617,936 | |
| 13715 | Mad Dog Coll | £ 42,800,617 | |
| 13716 | Mad Dog Enterprise | £ 32,168,238 | |
| 13717 | Mad Dog Ltd | £ 50,000 | |
| 13718 | Mad Dogg Money | £ 65,796,411 | |
| 13719 | Mad Dogs | £ 57,790,153 | |
| 13720 | Mad Fortunate | £ 50,000 | |
| 13721 | madamada | £ 233,630 | |
| 13722 | Madd Dogg 2020 | £ 10,742,409 | |
| 13723 | MadDogHoldings | £ 5,043,725 | |
| 13724 | Maddy Moo | £ 115,199,118 | |
| 13725 | Made a better decision | £ 51,894,350 | |
| 13726 | Made in Brazil | £ 61,550,105 | |
| 13727 | Made in canada | £ 5,496,632 | |
| 13728 | Made in China | £ 60,382,429 | |
| 13729 | Made in India | £ 18,870,885 | |
| 13730 | madeds | £ 95,442 | |
| 13731 | Madeira Inc | £ 131,914,835 | |
| 13732 | MadHatter | £ -238,315 | |
| 13733 | Madison Square Gardens | £ 1,149,642,170 | |
| 13734 | MadMafia | £ 132,483,479 | |
| 13735 | madman enterprise | £ 2,426,958 | |
| 13736 | madmen | £ 2,133,394,509 | |
| 13737 | Madness | £ 6,736,333 | |
| 13738 | Madness Holdings | £ 5,606,294 | |
| 13739 | Madness Inc | £ 71,179,360 | |
| 13740 | MadridCo | £ 63,090,434 | |
| 13741 | Madtax | £ 60,599,818 | |
| 13742 | Maelstrom | £ 74,490 | |
| 13743 | Maes | £ 5,506,699 | |
| 13744 | Maestro Inc | £ 10,020,096 | |
| 13745 | Maestro1 | £ 9,268,941 | |
| 13746 | Maestro3 | £ 50,000 | |
| 13747 | MaFFia | £ 174,487,021 | |
| 13748 | Mafia | £ 1,753,185 | |
| 13749 | Mafia Company | £ 30,978,732 | |
| 13750 | Mafia Enterprises | £ 8,427,838 | |
| 13751 | Mafia Mexicana | £ 579,567,327 | |
| 13752 | mafism | £ 22,493,332 | |
| 13753 | Mag1c | £ 9,025,059 | |
| 13754 | MAGA | £ 149,392,802 | |
| 13755 | Magazine Distributors | £ 37,320,017 | |
| 13756 | Magdalene | £ 1,003,412,911 | |
| 13757 | Magellan of Voyage | £ 5,290,991 | |
| 13758 | Magenta Weed | £ 271,410,952 | |
| 13759 | Maggic7 | £ -443,731 | |
| 13760 | Magic | £ 487,337,098 | |
| 13761 | Magic Carpet | £ 11,874,743 | |
| 13762 | Magic Emporium | £ 103,205,187 | |
| 13763 | Magic Industries | £ -1,643 | |
| 13764 | Magic Mirror | £ 2,172,047 | |
| 13765 | Magic Monkeyz | £ 8,114,425 | |
| 13766 | Magic Mountain | £ 72,113,974 | |
| 13767 | Magic Mushrooms | £ 160,108,013 | |
| 13768 | Magic Pie | £ 490,215,342 | |
| 13769 | Magic Rock Garden | £ 88,058,735 | |
| 13770 | Magic Round About | £ 60,232,415 | |
| 13771 | Magic Roundabout | £ 5,733,823 | |
| 13772 | Magic Tricks | £ 167,258,671 | |
| 13773 | Magic Unicorns | £ 5,507,889 | |
| 13774 | Magician | £ 43,263,578 | |
| 13775 | MagicMan LTD | £ 70,652,795 | |
| 13776 | magics | £ 89,717,576 | |
| 13777 | Magik | £ 8,435,088 | |
| 13778 | Magikarp | £ 54,441,892 | |
| 13779 | magma | £ 256,976,687 | |
| 13780 | Magnag Industries | £ 5,423,817 | |
| 13781 | Magnesia | £ 49,545,385 | |
| 13782 | Magnesium | £ -10,504,907 | |
| 13783 | Magnetic Flux Density | £ 44,740,657 | |
| 13784 | Magneto. | £ 41,525,507 | |
| 13785 | Magnets | £ 21,520,577 | |
| 13786 | Magnolia Properties | £ 5,505,968 | |
| 13787 | Magnum P.I. | £ 4,478,573,315 | |
| 13788 | Magnus | £ 5,372,184 | |
| 13789 | Magnus Global | £ 79,802,258 | |
| 13790 | MagnusCorp | £ 56,468,260 | |
| 13791 | Magoo | £ 17,276,464 | |
| 13792 | Magoos | £ 35,729,833 | |
| 13793 | Magpie | £ 149,817,398 | |
| 13794 | Magrathea | £ 54,106,264 | |
| 13795 | Mags Estate | £ 5,508,790 | |
| 13796 | Mags Ltd | £ 4,552,528 | |
| 13797 | Mags Summer | £ 5,708,628 | |
| 13798 | Mah Na Mah Na | £ 3,236,557 | |
| 13799 | Mai Kao Jai | £ 38,479,227 | |
| 13800 | Maicibai | £ 47,404,486 | |
