The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 9801 | Many mushrooms | £ -14,428,318 | |
| 9802 | Many Mysteries | £ 765,679 | |
| 9803 | many numbers | £ 43,995,214 | |
| 9804 | Many Years | £ 380,300 | |
| 9805 | Manytimesusedpubbucket | £ 5,530,466 | |
| 9806 | Maolina | £ 6,447,323 | |
| 9807 | Maose BV | £ 46,741 | |
| 9808 | Maosim | £ 62,212,646 | |
| 9809 | Map Flateners | £ 66,340,384 | |
| 9810 | Maple Leaf | £ 9,272,710 | |
| 9811 | Maple Syrup | £ 53,276,118 | |
| 9812 | Maple Syrup Monsters | £ 5,683,586 | |
| 9813 | MapleGrove | £ 483,977 | |
| 9814 | Mapleton Corp | £ 4,561,154 | |
| 9815 | MapleTree | £ 95,287,088 | |
| 9816 | Mapple | £ 7,653,759 | |
| 9817 | Mar | £ 3,166,311,646 | |
| 9818 | Mara Salvatrucha | £ 440,730,837 | |
| 9819 | Marathon | £ 59,899,042 | |
| 9820 | Marathon Runner | £ 58,033,010 | |
| 9821 | Marauders Inc | £ 4,803,396 | |
| 9822 | Marc Enterprises | £ 25,832,788 | |
| 9823 | Marcandmoles5 | £ 4,486,455 | |
| 9824 | March | £ 6,102,999 | |
| 9825 | Marching-Affair | £ 9,200,772,213 | |
| 9826 | Marching-Again | £ 1,384,299,603 | |
| 9827 | Marco Inc | £ 7,330,897 | |
| 9828 | Marco Pierre White | £ 32,781,447 | |
| 9829 | Marcome Inc | £ -205,648 | |
| 9830 | Marcomm Inc | £ 5,254,390 | |
| 9831 | Mareals Beneficence | £ 5,020,666 | |
| 9832 | Margam | £ 581,332 | |
| 9833 | Margaret Thatcher | £ 63,413,613 | |
| 9834 | Marges | £ 969,309,341 | |
| 9835 | Marian | £ 8,061,539,785 | |
| 9836 | Marianas Trench | £ 362,432,595 | |
| 9837 | Marijuana | £ 139,330,510 | |
| 9838 | Marik Stelele | £ 1,645,091 | |
| 9839 | Marine Drive | £ 465,373,303 | |
| 9840 | Mario | £ 148,719,211 | |
| 9841 | Mario Bros. Plumbing | £ 21,346,748 | |
| 9842 | Marissa | £ 1,378,328,809 | |
| 9843 | Marissa 2 | £ 524,757,169 | |
| 9844 | Marissa 3 | £ 667,967,397 | |
| 9845 | Marissa 4 | £ 312,726,823 | |
| 9846 | Marissa 5 | £ 238,611,098 | |
| 9847 | Marissa 6 | £ 495,989,312 | |
| 9848 | Marissa 7 | £ 407,172,119 | |
| 9849 | Marissa 8 | £ 425,196,899 | |
| 9850 | Marissa 9 | £ 548,552,830 | |
| 9851 | Marissa Love | £ 220,710,374 | |
| 9852 | Maritime Fish Factory | £ 2,719,055 | |
| 9853 | Mark Chapman | £ 54,086,382 | |
| 9854 | Mark Co | £ 529,484 | |
| 9855 | Market Spike | £ 1,374,802 | |
| 9856 | MarketLiquidity | £ 10,169,358 | |
| 9857 | Marley | £ 5,014,024 | |
| 9858 | Marlin inc | £ 1,915,058 | |
| 9859 | Marmara | £ 1,010,339,022 | |
| 9860 | Marraqueta | £ 124,590,233 | |
| 9861 | Marriages | £ 150,444,453 | |
| 9862 | Marrissasempire | £ 1,227,037 | |
| 9863 | Marrying The Mafia | £ 532,818 | |
| 9864 | Mars | £ 55,103,707 | |
| 9865 | Mars bars LTD | £ 117,272,299 | |
| 9866 | Mars Rover | £ 10,459,384 | |
| 9867 | Mars wont find me | £ 246,116 | |
| 9868 | Marshmallow Machetes Inc | £ 4,163,631 | |
| 9869 | MarshSkye | £ 35,400 | |
| 9870 | Martin Luther King Jnr | £ 902,082,927 | |
| 9871 | martini | £ 266,861,163 | |
| 9872 | Marton Institute | £ 83,507,879 | |
| 9873 | Martydom | £ 42,943,748 | |
| 9874 | Martyr Inc | £ 8,895,123 | |
| 9875 | Marvel | £ 8,186,565 | |
| 9876 | Marxism Pte Ltd | £ 32,260,072 | |
| 9877 | Mary | £ 46,301,903 | |
| 9878 | mary celeste | £ 47,276,134 | |
| 9879 | Maryland Inc | £ 1,946,529 | |
| 9880 | MaSaMuNe | £ 311,178,664 | |
| 9881 | Mascots | £ 2,709,237 | |
| 9882 | mashsmashanddaash | £ 178,398 | |
| 9883 | Mask | £ 277,025,659 | |
| 9884 | Mass | £ 612,498,813 | |
| 9885 | Mass Destruction | £ 208,613,868 | |
| 9886 | Mass Distraction | £ 740,836,641 | |
| 9887 | Mass Extinctions | £ 147,371,116 | |
| 9888 | MaSs HiLiGhTeR | £ 55,491,788 | |
| 9889 | Mass Satisfaction | £ 108,172,069 | |
| 9890 | Massacre | £ 7,955,799 | |
| 9891 | Massage Rev Win | £ 1,080,472,344 | |
| 9892 | Massenet | £ 652,023,276 | |
| 9893 | Massive | £ 83,683,640 | |
| 9894 | Massive Attack | £ 40,160,601 | |
| 9895 | Massive Dong Enterprise | £ 5,754,083 | |
| 9896 | MASSIVE ELECTIONS | £ 16,692,085 | |
| 9897 | Massive Inc | £ 6,334,823 | |
| 9898 | Massively Small Inc. | £ 1,485,470,359 | |
| 9899 | Masta Ace Inc | £ 84,177,720 | |
| 9900 | Mastah Inc. | £ -5,386,656 | |
