The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 12901 | MissFubar PLC | £ 31,726,370 | |
| 12902 | missile command | £ 363,500,728 | |
| 12903 | Missiles Incorporated | £ 1,859,206 | |
| 12904 | missing a toe | £ 93,592,827 | |
| 12905 | Missing Out | £ 46,518,703 | |
| 12906 | Mission | £ 166,801,144 | |
| 12907 | Mission Survive | £ 114,950,288 | |
| 12908 | Missionary | £ 65,346,270 | |
| 12909 | Mississippi | £ 5,500,599 | |
| 12910 | Mississippi Burning | £ 47,665,328 | |
| 12911 | Mississippi Dreams | £ 269,344,047 | |
| 12912 | Mississippi Inc | £ 5,281,962 | |
| 12913 | MississippiMusic | £ 2,811,899 | |
| 12914 | MISSOURI | £ 1,148,314,366 | |
| 12915 | Missyxx | £ 50,000 | |
| 12916 | Mistake | £ 1,937,719,857 | |
| 12917 | Mistake Not | £ 4,245,817,468 | |
| 12918 | Mistaken Identity | £ 109,775,714 | |
| 12919 | mistaken yidentit | £ 20,847,058 | |
| 12920 | Mistakes | £ 24,462,673 | |
| 12921 | Mistakes were made | £ 49,724,190 | |
| 12922 | mister | £ 15,343,639 | |
| 12923 | Mister Mister | £ 25,037,060 | |
| 12924 | Mistree | £ 50,000 | |
| 12925 | Mitchell Ltd | £ -2,115,101 | |
| 12926 | Mitchell Ltd2 | £ -1,529,234 | |
| 12927 | Mitchell Ltd3 | £ 5,496,523 | |
| 12928 | Mitchell Ltd4 | £ 4,625,817 | |
| 12929 | Mitigating Circumstances | £ 162,513,039 | |
| 12930 | Mitres | £ 684,354,522 | |
| 12931 | mix | £ 11,825,750 | |
| 12932 | Mixture | £ 34,126,543 | |
| 12933 | Mizuko Holdings | £ 50,000 | |
| 12934 | MJHCo. | £ 81,836,520 | |
| 12935 | MJI | £ 5,141,163 | |
| 12936 | MJII | £ 1,514,759 | |
| 12937 | MJIII | £ 1,341,503 | |
| 12938 | MJIV | £ 334,370 | |
| 12939 | MJJ Incorporated | £ 417,024,623 | |
| 12940 | MJLee | £ 12,045,209 | |
| 12941 | MJM 2 | £ 50,000 | |
| 12942 | MJM Games | £ 921,860 | |
| 12943 | Mjolnir | £ 6,686,597,478 | |
| 12944 | MK II | £ -371,982 | |
| 12945 | MK Ultra | £ -17,913,353 | |
| 12946 | Mk11 | £ 109,579,979 | |
| 12947 | MKL | £ 4,803,361,489 | |
| 12948 | MKUltra | £ 37,198,198 | |
| 12949 | mkyumku | £ 1,322,486 | |
| 12950 | mlawenterprise | £ 206,267,702 | |
| 12951 | mlawenterprises | £ 74,433,740 | |
| 12952 | MLM | £ 10,988,456,165 | |
| 12953 | MLM Group | £ 85,259,170 | |
| 12954 | MMI | £ 3,194,811 | |
| 12955 | MMI Holdings | £ 2,450,207 | |
| 12956 | MMI2 | £ 4,617,014 | |
| 12957 | MMI3 | £ 161,241 | |
| 12958 | mmmHHHMmm | £ 1,268,288 | |
| 12959 | MMMM CAKE | £ 11,700,419 | |
| 12960 | MMORPG | £ 386,202,529 | |
| 12961 | MMS | £ 728,736 | |
| 12962 | MN Painting | £ 69,865,838 | |
| 12963 | mnb | £ 5,869,704 | |
| 12964 | MNGA | £ -591,189 | |
| 12965 | Mnv | £ 69,523,625 | |
| 12966 | Mo Alba | £ 497,470,179 | |
| 12967 | MOAB | £ 50,000 | |
| 12968 | moarbkup | £ 5,508,731 | |
| 12969 | moarCarparks | £ 5,546,279 | |
| 12970 | MOASS | £ 10,968,075 | |
| 12971 | Mob Life Inc | £ 5,489,924 | |
| 12972 | Mob Mentality | £ 3,456,883 | |
| 12973 | Mobbin Service | £ 37,804,870 | |
| 12974 | Mod786 | £ 28,058,765 | |
| 12975 | Mod7866 | £ 5,631,868 | |
| 12976 | Mode | £ 401,332,556 | |
| 12977 | model | £ 126,900,274 | |
| 12978 | Model 1910 | £ 15,519,029 | |
| 12979 | Model in Black | £ 32,036,184 | |
| 12980 | model1 | £ 298,042,055 | |
| 12981 | Moderate Pharmaceuticals | £ 7,403,273 | |
| 12982 | Modern Chemistry | £ 50,000 | |
| 12983 | Modern Day Filth | £ 39,727,103 | |
| 12984 | modern homes and windows | £ 60,782,477 | |
| 12985 | Modern Medicine | £ 696,810,422 | |
| 12986 | Modus operandi | £ 156,762,294 | |
| 12987 | mog | £ 62,817,831 | |
| 12988 | MoguMogu | £ 50,000 | |
| 12989 | Mogwai | £ 2,484,565,998 | |
| 12990 | Mohawk | £ 5,884,779 | |
| 12991 | mohicans | £ 87,704,089 | |
| 12992 | Mojacar | £ 47,829,007 | |
| 12993 | Mojacar Playa | £ 4,415,605 | |
| 12994 | MojoMonies | £ -11,896,511 | |
| 12995 | Mojon Inc | £ 2,533,275 | |
| 12996 | Moldy Bread | £ 3,146,415 | |
| 12997 | Mole | £ 2,572,348 | |
| 12998 | molenstraat | £ 2,013,822 | |
| 12999 | Molko | £ 88,524,189 | |
| 13000 | Molly | £ 58,389,036 | |
