The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 13901 | Manchester | £ 303,684,849 | |
| 13902 | Manchester City fc | £ 29,318,533 | |
| 13903 | Manchester Mayhem | £ 84,056 | |
| 13904 | Manchester United F.C. | £ 6,143,552,077 | |
| 13905 | Manchester United XI | £ 5,357,466 | |
| 13906 | Manchester Unitedfc | £ -1,131,040 | |
| 13907 | Manco Capac | £ 2,037,711,203 | |
| 13908 | Mancunia | £ -32,487 | |
| 13909 | Mancunia 2 | £ 138,386 | |
| 13910 | Mandalay Bay | £ 6,146,133 | |
| 13911 | Mandalore | £ 114,249,627 | |
| 13912 | Mandelbrot Set | £ 735,914,118 | |
| 13913 | mang | £ 2,904,476 | |
| 13914 | manginas | £ 46,000 | |
| 13915 | Mangle Inc | £ 16,870,733 | |
| 13916 | Mango Escapade | £ 115,346,715 | |
| 13917 | Mango incorporated | £ 76,448 | |
| 13918 | Manhattan Project | £ 467,161,976 | |
| 13919 | mania | £ 311,404,918 | |
| 13920 | Maniac | £ 2,993,292 | |
| 13921 | Maniac Express | £ 24,619,316 | |
| 13922 | Manic Miner | £ 81,614,358 | |
| 13923 | Manifest Destiny | £ 1,268,459,603 | |
| 13924 | Manities | £ 59,837,318 | |
| 13925 | Mankind | £ 170,883,979 | |
| 13926 | Mankind Divided | £ 511,833,059 | |
| 13927 | Manliness | £ 1,302,580 | |
| 13928 | Manly Living | £ 2,808,857 | |
| 13929 | ManManMan | £ 47,858,669 | |
| 13930 | Mann | £ 166,137,557 | |
| 13931 | Mannanin Co | £ 8,845,526 | |
| 13932 | Manners | £ 5,259,968 | |
| 13933 | Manny | £ 1,263,886,299 | |
| 13934 | Mans Best Friend | £ 279,475,422 | |
| 13935 | Mans World | £ 114,904,442 | |
| 13936 | Mansell Industries Ltd. | £ 5,444,121,114 | |
| 13937 | Mansfield Bitter | £ 397,755,385 | |
| 13938 | Manta | £ 7,067,125,870 | |
| 13939 | Manta. | £ 21,707,124 | |
| 13940 | mantis | £ 5,463,181 | |
| 13941 | manu-de-janeiro | £ 12,962,879 | |
| 13942 | manu-upon-avon | £ 106,781,988 | |
| 13943 | manu-upon-avon2 | £ 7,786,748 | |
| 13944 | manu-upon-tyne | £ 12,073,546 | |
| 13945 | Manual Shift | £ 514,808,382 | |
| 13946 | Manwe Sulimo | £ 1,555,092,617 | |
| 13947 | Many | £ 5,464,758 | |
| 13948 | Many acres | £ 529,586,073 | |
| 13949 | many burner comps | £ 956,213,778 | |
| 13950 | many companies | £ 64,173,944 | |
| 13951 | Many Ends | £ 10,771,456 | |
| 13952 | Many Faces | £ 350,892,391 | |
| 13953 | Many Fossil Fuels | £ 55,702,842 | |
| 13954 | Many houses | £ 362,641,942 | |
| 13955 | Many Missiles | £ 323,489,477 | |
| 13956 | Many Monies Corporation | £ 50,000 | |
| 13957 | Many more | £ 62,287,354 | |
| 13958 | Many mushrooms | £ -14,428,318 | |
| 13959 | Many Mysteries | £ 765,679 | |
| 13960 | Many Names | £ 126,369,379 | |
| 13961 | many numbers | £ 43,995,214 | |
| 13962 | many sources | £ 104,908,241 | |
| 13963 | Many Talents | £ 5,504,706 | |
| 13964 | many wars | £ 107,597,129 | |
| 13965 | Many Women | £ 9,789,150 | |
| 13966 | Mao Tse-Tung | £ 2,985,024,402 | |
| 13967 | Mao Tsu Tsung | £ -1,713,345 | |
| 13968 | Maolina | £ 6,447,323 | |
| 13969 | Maose BV | £ 46,741 | |
| 13970 | Maosim | £ 91,071,858 | |
| 13971 | Map 1 | £ 225,267,148 | |
| 13972 | Map Flateners | £ 66,340,384 | |
| 13973 | Maple Leaf | £ 9,272,710 | |
| 13974 | Maple Syrup Monsters | £ 5,683,586 | |
| 13975 | MapleGrove | £ 483,977 | |
| 13976 | Mapleton Corp | £ 4,561,154 | |
| 13977 | Mapletree | £ 251,722,034 | |
| 13978 | Mapple | £ 7,653,759 | |
| 13979 | Maps | £ 419,662,549 | |
| 13980 | Mar MB | £ 59,938,508 | |
| 13981 | Mara Salvatrucha | £ 776,476,046 | |
| 13982 | Marathon | £ 59,899,042 | |
| 13983 | Marathon Runner | £ 58,033,010 | |
| 13984 | Marauders Inc | £ 4,803,396 | |
| 13985 | Marble Nook | £ -8,707,095 | |
| 13986 | Marbles | £ 336,923,960 | |
| 13987 | Marc Enterprises | £ 25,832,788 | |
| 13988 | Marcandmoles5 | £ 4,486,455 | |
| 13989 | March | £ 6,102,999 | |
| 13990 | March Equinox | £ 4,332,872 | |
| 13991 | Marching-Affair | £ 9,711,202,901 | |
| 13992 | Marching-Again | £ 1,729,189,416 | |
| 13993 | Marco Inc | £ 12,220,734 | |
| 13994 | Marco Marketing | £ 350,613,978 | |
| 13995 | Marco Simoncelli | £ 1,001,318,886 | |
| 13996 | Marcome Inc | £ -205,648 | |
| 13997 | Marcomm Inc | £ 5,254,390 | |
| 13998 | Mardi Gras | £ 8,313,571 | |
| 13999 | Mare Nubium | £ 217,810,294 | |
| 14000 | Mareals Beneficence | £ 10,471,098 | |
