The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 13901 | Mean Machine 5 | £ 160,955,182 | |
| 13902 | Mean Machine 6 | £ 135,487,477 | |
| 13903 | Mean Machine 7 | £ 104,371,655 | |
| 13904 | Mean Machine 8 | £ 124,950,567 | |
| 13905 | Mean Machine 9 | £ 104,923,716 | |
| 13906 | Meanies | £ 8,065,960 | |
| 13907 | Meaning | £ 261,740,977 | |
| 13908 | meanmoney | £ 288,694 | |
| 13909 | Means | £ 1,785,933,109 | |
| 13910 | Means Motive Opportunity | £ 1,345,501,185 | |
| 13911 | Meastro2 | £ 4,609,257 | |
| 13912 | Measurement | £ 1,528,484,989 | |
| 13913 | MEAT | £ 67,857,491 | |
| 13914 | meat locker | £ 4,528,034 | |
| 13915 | Meat popsticle | £ 18,382,336 | |
| 13916 | meats | £ 682,792,016 | |
| 13917 | MeatSacks LTD | £ 3,245,824 | |
| 13918 | MeatTrainers | £ 26,123,213 | |
| 13919 | Meatwads Dance Xplosion | £ 14,858,073 | |
| 13920 | mebers^6 | £ 1,012,181 | |
| 13921 | Mechanical Knowledge | £ 103,853,932 | |
| 13922 | Mechastein | £ 113,756,702 | |
| 13923 | Mechastein Inc | £ 60,914,193 | |
| 13924 | Mechrock | £ 397,826,364 | |
| 13925 | Medellin | £ 50,272,247 | |
| 13926 | Medellin 27 | £ 53,516,627 | |
| 13927 | Medellin11 | £ 8,448,804 | |
| 13928 | Medellin13 | £ 8,867,361 | |
| 13929 | Medellin14 | £ 45,435,311 | |
| 13930 | Medellin15 | £ 8,997,681 | |
| 13931 | Medellin18 | £ 8,863,845 | |
| 13932 | Medellin19 | £ 10,288,615 | |
| 13933 | Medellin21 | £ 7,920,345 | |
| 13934 | Medellin22 | £ 63,835,343 | |
| 13935 | Medellin23 | £ 8,741,668 | |
| 13936 | Medellin25 | £ 56,676,978 | |
| 13937 | Medellin26 | £ 48,157,316 | |
| 13938 | Medellin29 | £ 54,316,935 | |
| 13939 | Medellin3 | £ 67,916,908 | |
| 13940 | Medellin30 | £ 9,967,247 | |
| 13941 | Medellin33 | £ 45,320,039 | |
| 13942 | Medellin36 | £ 53,045,014 | |
| 13943 | Medellin37 | £ 9,169,339 | |
| 13944 | Medellin40 | £ 43,503,505 | |
| 13945 | Medellin45 | £ 53,599,598 | |
| 13946 | Medellin5 | £ 8,668,568 | |
| 13947 | Medellin6 | £ 39,388,847 | |
| 13948 | Medellin7 | £ 42,227,204 | |
| 13949 | Media Market | £ 31,425,226 | |
| 13950 | Media Player | £ 11,385,898 | |
| 13951 | Medical City | £ 1,783,801,720 | |
| 13952 | Medications | £ 56,501,237 | |
| 13953 | Medicine | £ 107,658,336 | |
| 13954 | Medicine.Com | £ 184,984,146 | |
| 13955 | Medient | £ 508,983 | |
| 13956 | Mediolanum | £ 89,849,157 | |
| 13957 | Mediumship | £ 643,037,062 | |
| 13958 | MedPharm | £ 62,403,617 | |
| 13959 | Medusa | £ 290,947,180 | |
| 13960 | Medwain | £ 110,111,172 | |
| 13961 | Mee | £ 27,657,186 | |
| 13962 | Meebs | £ 44,841,824 | |
| 13963 | Meeney Corp | £ 9,839,052 | |
| 13964 | Meeny Inc | £ 22,570,987 | |
| 13965 | Meep meep | £ 493,156,074 | |
| 13966 | Meerkats | £ 550,594,543 | |
| 13967 | MEG LTD | £ 23,571 | |
| 13968 | Mega Blox | £ 28,874,300,038 | |
| 13969 | Mega Boxes Around | £ 178,943,238 | |
| 13970 | MEGA BUDZ | £ 141,053 | |
| 13971 | Mega Bus | £ 30,000,909 | |
| 13972 | Mega Corporation | £ 172,049 | |
| 13973 | Mega Corporations | £ 46,579,095 | |
| 13974 | Mega Mindy | £ 4,096,781 | |
| 13975 | Mega Mullets | £ 115,054,272 | |
| 13976 | MEGA Resources | £ 572,731 | |
| 13977 | Mega Streak | £ 141,901,724 | |
| 13978 | Megababy Co. | £ 50,000 | |
| 13979 | Megabucks | £ 111,934 | |
| 13980 | Megabucks Dundee | £ 50,000 | |
| 13981 | Megabucks Inc | £ 5,930,887 | |
| 13982 | Megabucks United | £ 4,290,972 | |
| 13983 | Megabyte Systems | £ 52,181,792 | |
| 13984 | Megacorp | £ 594,680 | |
| 13985 | MEGACUCKxXxPEENLOVER | £ 6,893,653 | |
| 13986 | Megadeth | £ 65,357,403 | |
| 13987 | MegaDeth Mob | £ 61,516,745 | |
| 13988 | MegaloMafia | £ 612,786 | |
| 13989 | megamolloy | £ 2,797,245 | |
| 13990 | megamolloy3 | £ 4,226,104 | |
| 13991 | megapolis | £ 27,651,775 | |
| 13992 | Megasuperbadass Mart | £ 2,903,109 | |
| 13993 | Megaton | £ 290,639,244 | |
| 13994 | Megaton Atomic Research | £ 7,533,717 | |
| 13995 | Megatron | £ 397,174,154 | |
| 13996 | Mehoff Erection Co | £ 4,005,620 | |
| 13997 | Mehrunes Dagon | £ 293,462,589 | |
| 13998 | Mein Kampf | £ 183,164,770 | |
| 13999 | Melandas | £ 4,266,236 | |
| 14000 | Melandas Dynasty | £ 4,129,183 | |
