The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 10901 | metime | £ 7,016,004 | |
| 10902 | MeToo | £ 48,902,168 | |
| 10903 | metro | £ 326,059,689 | |
| 10904 | Metro News | £ 1,186,988 | |
| 10905 | Metrocity | £ 117,426,077 | |
| 10906 | MetroMan | £ 2,205,870 | |
| 10907 | MewMew | £ 3,983,504 | |
| 10908 | Mexican Elf-Fellaters | £ 380,836 | |
| 10909 | Mexican Fine Dining | £ 514,026,236 | |
| 10910 | Mexico | £ 143,099,228 | |
| 10911 | MG metal | £ 83,272,537 | |
| 10912 | MGandH | £ 5,503,263 | |
| 10913 | Mi Socio | £ 236,861,461 | |
| 10914 | MI5 | £ 141,793,336 | |
| 10915 | MI6 | £ 150,488,809 | |
| 10916 | mia lingua italiana | £ 446,549,861 | |
| 10917 | Mia Ventures | £ 182,100,857 | |
| 10918 | Miami | £ 58,175,004 | |
| 10919 | Miami Heat | £ 1,187,523 | |
| 10920 | Miccpelt | £ 414,182,779 | |
| 10921 | Mice | £ 54,981,578 | |
| 10922 | Mice and Men | £ 406,351,331 | |
| 10923 | Mice CORP | £ 4,657,778 | |
| 10924 | Mice INC | £ -8,592,908 | |
| 10925 | Mice LTD | £ -1,811 | |
| 10926 | Mice TM | £ -240,470 | |
| 10927 | Michael | £ 1,522,266 | |
| 10928 | Michael Jackson | £ 35,590,097 | |
| 10929 | MichaelUnitedJuggernaut | £ 944,737 | |
| 10930 | Michelangelo | £ 63,411,929 | |
| 10931 | Michelin Mogul | £ 89,056,676 | |
| 10932 | Michigan | £ 83,780,074 | |
| 10933 | Michigan 1 | £ 4,091,450 | |
| 10934 | Mickey Mouse | £ 534,504,800 | |
| 10935 | micks empire | £ 5,500,143 | |
| 10936 | Micky | £ 1,186,247,866 | |
| 10937 | Micoss | £ 50,000 | |
| 10938 | Micro Waves | £ 27,270,073 | |
| 10939 | Microbix | £ 5,230,264 | |
| 10940 | Microboom | £ 45,468,171 | |
| 10941 | Microhard | £ 16,911,150 | |
| 10942 | Microserve | £ 5,974,813 | |
| 10943 | Microsft Enterprises | £ 6,100,321 | |
| 10944 | Microsoft | £ 564,820,057 | |
| 10945 | Microsoft Corporation | £ 58,800,390 | |
| 10946 | Microsoft Inc | £ 62,016,589 | |
| 10947 | Microsoft Retail Ltd. | £ 1,276,186 | |
| 10948 | Midas | £ 26,756,564 | |
| 10949 | Middle East | £ 74,744,663 | |
| 10950 | Midgar | £ 17,036,842 | |
| 10951 | Midget | £ 6,955,245,553 | |
| 10952 | Midget Enterprises | £ 4,592,005,545 | |
| 10953 | Midget Inc | £ 9,759,712,772 | |
| 10954 | Midget Tossing | £ 57,557,330 | |
| 10955 | Midget World | £ 20,300,276,195 | |
| 10956 | Midgets | £ 83,354,303 | |
| 10957 | Midlands13th | £ 6,244,011 | |
| 10958 | Midnight | £ 50,252,909 | |
| 10959 | Midnight Bombers | £ 32,340,913 | |
| 10960 | Midnight Express | £ 52,062,394 | |
| 10961 | Midnight Fun | £ 186,160,753 | |
| 10962 | Midnight Madness | £ 1,057,296,161 | |
| 10963 | Midnight Marauder | £ 78,987,375 | |
| 10964 | Midnight Marauders | £ 553,311,151 | |
| 10965 | Midnight Rider | £ 1,145,186,918 | |
| 10966 | midnight run | £ 257,727,295 | |
| 10967 | Migdets Mom | £ 98,159,028 | |
| 10968 | Might and Magic | £ 423,208 | |
| 10969 | might dabble | £ 501,568 | |
| 10970 | MightBeRight Industries | £ 6,243,134 | |
| 10971 | mighty boosh | £ 176,084 | |
| 10972 | MIGHTY MOUSE | £ 122,814,519 | |
| 10973 | Miguel Cotto | £ 198,095,540 | |
| 10974 | Mij Dan | £ 199,252,042 | |
| 10975 | Mijn vliegmachine | £ 5,506,987 | |
| 10976 | Mike Hunt | £ 193,467,436 | |
| 10977 | Mike Tyson | £ 194,766,793 | |
| 10978 | Mike Tyson mysteries | £ 85,813,405 | |
| 10979 | miked re | £ 55,307,237 | |
| 10980 | Mikem | £ 3,454,515,731 | |
| 10981 | MikeM Enterprises | £ 19,136,827 | |
| 10982 | Mikems Main Company | £ 79,372,363 | |
| 10983 | MikeysMillions | £ 6,525,157 | |
| 10984 | Miklagaard | £ 42,330,338 | |
| 10985 | mild flanging effect | £ 550,481,202 | |
| 10986 | Mildly Unstable Ltd | £ 221,192,655 | |
| 10987 | Milestone Tomorrow | £ 598,168 | |
| 10988 | Milf Inc. | £ 74,819,012 | |
| 10989 | Milk | £ 374,457,790 | |
| 10990 | Milk Tray | £ 159,123,521 | |
| 10991 | milktray | £ 2,289,863 | |
| 10992 | Milky Inc | £ 1,130,491 | |
| 10993 | milkyway | £ 4,197,343 | |
| 10994 | Millennium Falcon | £ 99,404,066 | |
| 10995 | Miller Time | £ 17,723,529 | |
| 10996 | Million Inc. | £ -293,992 | |
| 10997 | Millions Holdings Plc | £ 66,308,357 | |
| 10998 | Millwall | £ 7,007,570 | |
| 10999 | Millwall F.C. | £ 215,672,325 | |
| 11000 | Milnezy | £ 50,000 | |
