The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 12901 | Maximus Pyrotechnics | £ -22,809,232 | |
| 12902 | Maximus Storage | £ 4,310,218 | |
| 12903 | Maximuscle | £ 3,759,106 | |
| 12904 | Maxxis | £ 2,547,439 | |
| 12905 | May | £ 321,223,063 | |
| 12906 | May Day | £ 13,782,509 | |
| 12907 | May Hay | £ 6,903,268 | |
| 12908 | may help | £ 23,308,617 | |
| 12909 | Maya | £ 857,798,735 | |
| 12910 | Mayans | £ 28,668,150 | |
| 12911 | Maybach Music | £ 12,470,379 | |
| 12912 | Mayhem | £ 116,618,582 | |
| 12913 | Mayoland Inc. | £ -390,754 | |
| 12914 | Maz1 | £ 4,123,280 | |
| 12915 | Maz2 | £ 4,145,139 | |
| 12916 | Maz3 | £ 4,137,031 | |
| 12917 | Maz4 | £ 4,101,386 | |
| 12918 | Maziacs | £ 214,690,206 | |
| 12919 | MazManInc | £ 258,718 | |
| 12920 | mbm | £ 81,202,527 | |
| 12921 | Mc Dowells 2.0 | £ 14,294,011 | |
| 12922 | mc3 | £ 62,358,543 | |
| 12923 | McBombFace | £ 3,871,640 | |
| 12924 | Mcboobs Knocking Shops | £ 27,084 | |
| 12925 | mcbuttface | £ 3,955,729 | |
| 12926 | McCann Ind | £ -29,449 | |
| 12927 | McCon Inc. | £ 82,346,992 | |
| 12928 | McCormick Enterprises | £ 704,217 | |
| 12929 | McDAB | £ 76,475,382 | |
| 12930 | McDavid | £ 5,507,687 | |
| 12931 | McDonalds | £ 18,885,463 | |
| 12932 | Mcdonalds Corporation | £ 134,518,979 | |
| 12933 | McDonaldsZim | £ 63,176,931 | |
| 12934 | McDuck Enterprises | £ 32,837,973 | |
| 12935 | McDumponface | £ 3,660 | |
| 12936 | McFadden | £ -131,571 | |
| 12937 | Mcfc88 | £ 10,404,015 | |
| 12938 | McFcuk | £ 3,374,116 | |
| 12939 | McGarrett | £ 193,129,471 | |
| 12940 | McGeeters | £ 83,681 | |
| 12941 | McGill | £ 55,076,173 | |
| 12942 | McGirk Waste Management | £ 86,656 | |
| 12943 | MCI Communications | £ 134,374,955 | |
| 12944 | Mckutchen | £ 1,830,803 | |
| 12945 | Mclaren Mercedes | £ 2,778,685 | |
| 12946 | McLovin | £ 2,299,983 | |
| 12947 | mcm | £ 57,999,853 | |
| 12948 | McNasty Burgers | £ 61,139,769 | |
| 12949 | McNuthugger | £ 5,002,136 | |
| 12950 | MCOC | £ 56,966,011 | |
| 12951 | Mcsmash | £ -11,927 | |
| 12952 | MDD Company | £ 34,883,687 | |
| 12953 | MDD3 company | £ 52,874,397 | |
| 12954 | MDD4 company | £ 39,561,399 | |
| 12955 | MDMA | £ 58,653,746 | |
| 12956 | Mdog 4 life | £ 233,659,584 | |
| 12957 | Mdog Enterprises | £ 164,256,199 | |
| 12958 | MDP | £ 32,467,512 | |
| 12959 | MDW Business | £ 5,507,240 | |
| 12960 | Me And I | £ 629,795 | |
| 12961 | me corp | £ 2,801,416 | |
| 12962 | Me crack in | £ 131,344,322 | |
| 12963 | me free | £ 367,615,854 | |
| 12964 | Me Only | £ 4,926,881 | |
| 12965 | Me Please | £ 82,095,731 | |
| 12966 | Me Silly | £ 106,123,518 | |
| 12967 | Me to see | £ 62,947,323 | |
| 12968 | Me, Im Counting | £ 4,820,143,977 | |
| 12969 | MEA | £ 356,839,045 | |
| 12970 | Meadow | £ 349,035,541 | |
| 12971 | Meal Time | £ 53,033,234 | |
| 12972 | Mean and Deadly LTD | £ 10,098,464 | |
| 12973 | Mean Electricity Ltd | £ -5,065,941 | |
| 12974 | Mean Machine | £ 174,484,012 | |
| 12975 | Mean Machine 10 | £ 101,887,250 | |
| 12976 | Mean Machine 11 | £ 83,273,024 | |
| 12977 | Mean Machine 12 | £ 24,847,409 | |
| 12978 | Mean Machine 2 | £ 112,632,517 | |
| 12979 | Mean Machine 3 | £ 125,726,960 | |
| 12980 | Mean Machine 4 | £ 180,450,398 | |
| 12981 | Mean Machine 5 | £ 160,955,182 | |
| 12982 | Mean Machine 6 | £ 135,487,477 | |
| 12983 | Mean Machine 7 | £ 104,371,655 | |
| 12984 | Mean Machine 8 | £ 124,950,567 | |
| 12985 | Mean Machine 9 | £ 104,923,716 | |
| 12986 | Meanies | £ 8,065,960 | |
| 12987 | Meaning | £ 261,740,977 | |
| 12988 | meanmoney | £ 288,694 | |
| 12989 | Means | £ 1,792,761,265 | |
| 12990 | Means Motive Opportunity | £ 50,317,104 | |
| 12991 | Meastro2 | £ 239,761 | |
| 12992 | Measurement | £ 1,205,469,436 | |
| 12993 | MEAT | £ 67,857,491 | |
| 12994 | meat locker | £ 4,528,034 | |
| 12995 | Meat Pies | £ 4,217,653 | |
| 12996 | Meat popsticle | £ 18,382,336 | |
| 12997 | meats | £ 682,792,016 | |
| 12998 | MeatSacks LTD | £ 3,245,824 | |
| 12999 | Meatwads Dance Xplosion | £ 14,858,073 | |
| 13000 | mebers^6 | £ 1,012,181 | |
