The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 11801 | mania | £ 311,404,918 | |
| 11802 | Maniac Express | £ 24,619,316 | |
| 11803 | Manic Miner | £ 81,614,358 | |
| 11804 | Manifestation | £ 101,056,786 | |
| 11805 | Manities | £ 59,837,318 | |
| 11806 | Mankind | £ 170,883,979 | |
| 11807 | Manly Living | £ 2,808,857 | |
| 11808 | ManManMan | £ 38,206,350 | |
| 11809 | Mannanin Co | £ 8,845,526 | |
| 11810 | Manny | £ 1,083,588,597 | |
| 11811 | Mans Best Friend | £ 279,475,422 | |
| 11812 | Mans World | £ 103,865,359 | |
| 11813 | Mansell Industries Ltd. | £ 4,333,127,257 | |
| 11814 | Mansfield Bitter | £ 397,755,385 | |
| 11815 | Manta | £ 7,067,125,870 | |
| 11816 | Manta. | £ 21,707,124 | |
| 11817 | mantis | £ 5,463,181 | |
| 11818 | Manu upon avon | £ 1,056,762 | |
| 11819 | manu-de-janeiro | £ 12,962,879 | |
| 11820 | manu-upon-avon | £ 106,781,988 | |
| 11821 | manu-upon-avon2 | £ 7,786,748 | |
| 11822 | manu-upon-tyne | £ 12,073,546 | |
| 11823 | Manual Shift | £ 514,808,382 | |
| 11824 | Manwe Sulimo | £ 928,312,493 | |
| 11825 | Many | £ 5,464,758 | |
| 11826 | Many acres | £ 521,974,837 | |
| 11827 | many companies | £ 64,173,944 | |
| 11828 | Many Ends | £ 10,771,456 | |
| 11829 | Many Faces | £ 1,248,505,824 | |
| 11830 | Many Fossil Fuels | £ 55,702,842 | |
| 11831 | Many houses | £ 357,182,784 | |
| 11832 | Many Missiles | £ 194,838,117 | |
| 11833 | Many Monies Corporation | £ 50,000 | |
| 11834 | Many more | £ 62,287,354 | |
| 11835 | Many mushrooms | £ -14,428,318 | |
| 11836 | Many Mysteries | £ 765,679 | |
| 11837 | Many Names | £ 124,144,010 | |
| 11838 | many numbers | £ 43,995,214 | |
| 11839 | Many Talents | £ 5,504,706 | |
| 11840 | Many Women | £ 4,358,376 | |
| 11841 | Many Years | £ 380,300 | |
| 11842 | Manytimesusedpubbucket | £ 5,530,466 | |
| 11843 | Mao Tse-Tung | £ 2,260,808,135 | |
| 11844 | Mao Tsu Tsung | £ -1,713,345 | |
| 11845 | Maolina | £ 6,447,323 | |
| 11846 | Maose BV | £ 46,741 | |
| 11847 | Maosim | £ 62,212,646 | |
| 11848 | Map Flateners | £ 66,340,384 | |
| 11849 | Maple Leaf | £ 9,272,710 | |
| 11850 | Maple Syrup | £ 53,276,118 | |
| 11851 | Maple Syrup Monsters | £ 5,683,586 | |
| 11852 | MapleGrove | £ 483,977 | |
| 11853 | Mapleton Corp | £ 4,561,154 | |
| 11854 | MapleTree | £ 95,287,088 | |
| 11855 | Mapple | £ 7,653,759 | |
| 11856 | Maps | £ 5,503,263 | |
| 11857 | Mar MB | £ 59,938,508 | |
| 11858 | Mara Salvatrucha | £ 440,730,837 | |
| 11859 | Marathon | £ 59,899,042 | |
| 11860 | Marathon Runner | £ 58,033,010 | |
| 11861 | Marauders Inc | £ 4,803,396 | |
| 11862 | Marbles | £ 336,923,960 | |
| 11863 | Marc Enterprises | £ 25,832,788 | |
| 11864 | Marcandmoles5 | £ 4,486,455 | |
| 11865 | March | £ 6,102,999 | |
| 11866 | Marching-Affair | £ 9,701,603,338 | |
| 11867 | Marching-Again | £ 1,729,189,416 | |
| 11868 | Marco Inc | £ 12,220,734 | |
| 11869 | Marco Marketing | £ 350,613,978 | |
| 11870 | Marco Pierre White | £ 45,711,831 | |
| 11871 | Marco Simoncelli | £ 858,499,264 | |
| 11872 | Marcome Inc | £ -205,648 | |
| 11873 | Marcomm Inc | £ 5,254,390 | |
| 11874 | Marcus corp | £ 2,161,927 | |
| 11875 | Mare Nubium | £ 96,863,343 | |
| 11876 | Mareals Beneficence | £ 10,471,098 | |
| 11877 | Margam | £ 581,332 | |
| 11878 | Margaret Thatcher | £ 63,413,613 | |
| 11879 | Marges | £ 978,012,084 | |
| 11880 | Marian | £ 10,841,138,789 | |
| 11881 | Marianas Trench | £ 362,582,082 | |
| 11882 | Marijuana | £ 139,330,510 | |
| 11883 | Marijuana Laws | £ 358,185,343 | |
| 11884 | Marik Stelele | £ 1,645,091 | |
| 11885 | Marine Drive | £ 599,977,567 | |
| 11886 | Mario | £ 148,719,211 | |
| 11887 | Mario Bros. Plumbing | £ 21,346,748 | |
| 11888 | Marion Morrison | £ 127,909,303 | |
| 11889 | Marissa | £ 1,378,328,809 | |
| 11890 | Marissa 2 | £ 524,757,169 | |
| 11891 | Marissa 3 | £ 667,967,397 | |
| 11892 | Marissa 4 | £ 312,726,823 | |
| 11893 | Marissa 5 | £ 238,611,098 | |
| 11894 | Marissa 6 | £ 495,989,312 | |
| 11895 | Marissa 7 | £ 407,172,119 | |
| 11896 | Marissa 8 | £ 425,196,899 | |
| 11897 | Marissa 9 | £ 548,552,830 | |
| 11898 | Marissa Love | £ 220,710,374 | |
| 11899 | Maritime Fish Factory | £ 2,719,055 | |
| 11900 | Mark Chapman | £ 54,086,382 | |
