The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 12701 | Manities | £ 59,837,318 | |
| 12702 | Mankind | £ 170,883,979 | |
| 12703 | Mankind Divided | £ 511,833,059 | |
| 12704 | Manly Living | £ 2,808,857 | |
| 12705 | ManManMan | £ 47,858,669 | |
| 12706 | Mann | £ 45,188,424 | |
| 12707 | Mannanin Co | £ 8,845,526 | |
| 12708 | Manners | £ 5,259,968 | |
| 12709 | Manny | £ 1,263,886,299 | |
| 12710 | Mans Best Friend | £ 279,475,422 | |
| 12711 | Mans World | £ 103,865,359 | |
| 12712 | Mansell Industries Ltd. | £ 5,444,121,114 | |
| 12713 | Mansfield Bitter | £ 397,755,385 | |
| 12714 | Manta | £ 7,067,125,870 | |
| 12715 | Manta. | £ 21,707,124 | |
| 12716 | mantis | £ 5,463,181 | |
| 12717 | manu-de-janeiro | £ 12,962,879 | |
| 12718 | manu-upon-avon | £ 106,781,988 | |
| 12719 | manu-upon-avon2 | £ 7,786,748 | |
| 12720 | manu-upon-tyne | £ 12,073,546 | |
| 12721 | Manual Shift | £ 514,808,382 | |
| 12722 | Manwe Sulimo | £ 1,555,092,617 | |
| 12723 | Many | £ 5,464,758 | |
| 12724 | Many acres | £ 529,586,073 | |
| 12725 | many burner comps | £ 765,950,776 | |
| 12726 | many companies | £ 64,173,944 | |
| 12727 | Many Ends | £ 10,771,456 | |
| 12728 | Many Faces | £ 311,460,504 | |
| 12729 | Many Fossil Fuels | £ 55,702,842 | |
| 12730 | Many houses | £ 362,641,942 | |
| 12731 | Many Missiles | £ 266,730,387 | |
| 12732 | Many Monies Corporation | £ 50,000 | |
| 12733 | Many more | £ 62,287,354 | |
| 12734 | Many mushrooms | £ -14,428,318 | |
| 12735 | Many Mysteries | £ 765,679 | |
| 12736 | Many Names | £ 126,369,379 | |
| 12737 | many numbers | £ 43,995,214 | |
| 12738 | many sources | £ 104,908,241 | |
| 12739 | Many Talents | £ 5,504,706 | |
| 12740 | many wars | £ 107,597,129 | |
| 12741 | Many Women | £ 9,789,150 | |
| 12742 | Mao Tse-Tung | £ 2,985,024,402 | |
| 12743 | Mao Tsu Tsung | £ -1,713,345 | |
| 12744 | Maolina | £ 6,447,323 | |
| 12745 | Maose BV | £ 46,741 | |
| 12746 | Maosim | £ 91,071,858 | |
| 12747 | Map 1 | £ 5,331,030 | |
| 12748 | Map Flateners | £ 66,340,384 | |
| 12749 | Maple Leaf | £ 9,272,710 | |
| 12750 | Maple Syrup Monsters | £ 5,683,586 | |
| 12751 | MapleGrove | £ 483,977 | |
| 12752 | Mapleton Corp | £ 4,561,154 | |
| 12753 | Mapletree | £ 92,714,419 | |
| 12754 | Mapple | £ 7,653,759 | |
| 12755 | Maps | £ 50,934,215 | |
| 12756 | Mar MB | £ 59,938,508 | |
| 12757 | Mara Salvatrucha | £ 732,815,570 | |
| 12758 | Marathon | £ 59,899,042 | |
| 12759 | Marathon Runner | £ 58,033,010 | |
| 12760 | Marauders Inc | £ 4,803,396 | |
| 12761 | Marbles | £ 336,923,960 | |
| 12762 | Marc Enterprises | £ 25,832,788 | |
| 12763 | Marcandmoles5 | £ 4,486,455 | |
| 12764 | March | £ 6,102,999 | |
| 12765 | March Equinox | £ 4,332,872 | |
| 12766 | Marching-Affair | £ 9,711,202,901 | |
| 12767 | Marching-Again | £ 1,729,189,416 | |
| 12768 | Marco Inc | £ 12,220,734 | |
| 12769 | Marco Marketing | £ 350,613,978 | |
| 12770 | Marco Simoncelli | £ 1,001,318,886 | |
| 12771 | Marcome Inc | £ -205,648 | |
| 12772 | Marcomm Inc | £ 5,254,390 | |
| 12773 | Mare Nubium | £ 169,810,294 | |
| 12774 | Mareals Beneficence | £ 10,471,098 | |
| 12775 | Margaret Thatcher | £ 63,413,613 | |
| 12776 | marge | £ 5,671,351 | |
| 12777 | Marges | £ 978,012,084 | |
| 12778 | Maria Vistablo | £ 115,729,223 | |
| 12779 | Marian | £ 10,841,138,789 | |
| 12780 | Mariana Trench | £ 1,298,582,692 | |
| 12781 | Marianas Trench | £ 265,826,285 | |
| 12782 | Marijuana | £ 139,330,510 | |
| 12783 | Marillion | £ 111,012,650 | |
| 12784 | Marilyn Monroe | £ 160,766,717 | |
| 12785 | Mario | £ 148,719,211 | |
| 12786 | Mario Bros. Plumbing | £ 21,346,748 | |
| 12787 | Mario Brothers Plumbing | £ 5,252,769 | |
| 12788 | Marion Morrison | £ 127,909,303 | |
| 12789 | Mariqueen | £ 81,601,618 | |
| 12790 | Maritime Fish Factory | £ 2,719,055 | |
| 12791 | Mark Chapman | £ 54,086,382 | |
| 12792 | Mark Co | £ 529,484 | |
| 12793 | Market failure | £ 395,568,250 | |
| 12794 | Market Spike | £ 1,374,802 | |
| 12795 | MarketLiquidity | £ 10,169,358 | |
| 12796 | Marks and Spencer | £ 1,079,238,828 | |
| 12797 | Marley | £ 5,014,024 | |
| 12798 | Marlin inc | £ 1,915,058 | |
| 12799 | Marmalade | £ 1,031,582,249 | |
| 12800 | Marmara | £ 1,010,339,022 | |
