The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 10101 | Maya | £ 788,764,343 | |
| 10102 | Mayans | £ 28,668,150 | |
| 10103 | Maybach Music | £ 12,470,379 | |
| 10104 | Mayhem | £ 116,618,582 | |
| 10105 | Mayoland Inc. | £ -390,754 | |
| 10106 | Maz1 | £ 4,123,280 | |
| 10107 | Maz2 | £ 4,145,139 | |
| 10108 | Maz3 | £ 4,137,031 | |
| 10109 | Maz4 | £ 4,101,386 | |
| 10110 | Maziacs | £ 214,690,206 | |
| 10111 | MazManInc | £ 258,718 | |
| 10112 | mbm | £ 81,202,527 | |
| 10113 | mc3 | £ 62,358,543 | |
| 10114 | Mcboobs Knocking Shops | £ 27,084 | |
| 10115 | mcbuttface | £ 3,955,729 | |
| 10116 | McCann Ind | £ -29,449 | |
| 10117 | McCormick Enterprises | £ 704,217 | |
| 10118 | McDAB | £ 53,108,625 | |
| 10119 | McDonalds | £ 18,885,463 | |
| 10120 | Mcdonalds Corporation | £ 134,518,979 | |
| 10121 | McDonaldsZim | £ 63,176,931 | |
| 10122 | McDumponface | £ 3,660 | |
| 10123 | McFadden | £ -131,571 | |
| 10124 | Mcfc88 | £ -3,069,433 | |
| 10125 | McGarrett | £ 193,129,471 | |
| 10126 | McGeeters | £ 83,681 | |
| 10127 | McGirk Waste Management | £ 2,848,421 | |
| 10128 | MCI Communications | £ 134,374,955 | |
| 10129 | Mckutchen | £ 1,830,803 | |
| 10130 | Mclaren Mercedes | £ 2,778,685 | |
| 10131 | McLovin | £ 2,299,983 | |
| 10132 | mcm | £ 57,999,853 | |
| 10133 | McNasty Burgers | £ 61,139,769 | |
| 10134 | McNuthugger | £ 5,002,136 | |
| 10135 | MCOC | £ 56,966,011 | |
| 10136 | Mcsmash | £ -11,927 | |
| 10137 | MDD Company | £ 34,883,687 | |
| 10138 | MDD3 company | £ 52,874,397 | |
| 10139 | MDD4 company | £ 39,561,399 | |
| 10140 | MDMA | £ 58,653,746 | |
| 10141 | Mdog 4 life | £ 111,028,668 | |
| 10142 | Mdog Enterprises | £ 241,225,148 | |
| 10143 | MDW Business | £ 5,507,240 | |
| 10144 | Me And I | £ 629,795 | |
| 10145 | me corp | £ 2,801,416 | |
| 10146 | Me crack in | £ 131,344,322 | |
| 10147 | me free | £ 367,615,854 | |
| 10148 | Me Only | £ 4,926,881 | |
| 10149 | Me Please | £ 82,095,731 | |
| 10150 | Me Silly | £ 106,123,518 | |
| 10151 | Me to see | £ 62,947,323 | |
| 10152 | Me, Im Counting | £ 4,820,143,977 | |
| 10153 | MEA | £ 356,839,045 | |
| 10154 | Meadow | £ 349,035,541 | |
| 10155 | Meal Time | £ 53,033,234 | |
| 10156 | Mean and Deadly LTD | £ 10,098,464 | |
| 10157 | Mean Electricity Ltd | £ -5,065,941 | |
| 10158 | Mean Machine | £ 174,248,395 | |
| 10159 | Mean Machine 10 | £ 101,887,250 | |
| 10160 | Mean Machine 11 | £ 83,273,024 | |
| 10161 | Mean Machine 12 | £ 24,847,409 | |
| 10162 | Mean Machine 2 | £ 112,632,517 | |
| 10163 | Mean Machine 3 | £ 125,726,960 | |
| 10164 | Mean Machine 4 | £ 180,450,398 | |
| 10165 | Mean Machine 5 | £ 160,955,182 | |
| 10166 | Mean Machine 6 | £ 135,487,477 | |
| 10167 | Mean Machine 7 | £ 104,371,655 | |
| 10168 | Mean Machine 8 | £ 124,950,567 | |
| 10169 | Mean Machine 9 | £ 104,923,716 | |
| 10170 | Meanies | £ 8,065,960 | |
| 10171 | Meaning | £ 261,740,977 | |
| 10172 | meanmoney | £ 288,694 | |
| 10173 | Means | £ 311,681,968 | |
| 10174 | Meastro2 | £ 239,761 | |
| 10175 | Measurement | £ 46,809,417 | |
| 10176 | MEAT | £ 67,857,491 | |
| 10177 | meat locker | £ 4,528,034 | |
| 10178 | Meat Pies | £ 4,217,653 | |
| 10179 | Meat popsticle | £ 18,382,336 | |
| 10180 | meats | £ 67,393,136 | |
| 10181 | MeatSacks LTD | £ 3,245,824 | |
| 10182 | Meatwads Dance Xplosion | £ 14,858,073 | |
| 10183 | mebers^6 | £ 1,012,181 | |
| 10184 | Mechastein | £ 108,302,529 | |
| 10185 | Mechastein Inc | £ 55,690,006 | |
| 10186 | Media Market | £ 31,425,226 | |
| 10187 | Media Player | £ 11,385,898 | |
| 10188 | Medical City | £ 504,119,499 | |
| 10189 | Medicine.Com | £ 184,984,146 | |
| 10190 | Medient | £ 508,983 | |
| 10191 | Mediumship | £ 162,850,423 | |
| 10192 | MedPharm | £ 62,403,617 | |
| 10193 | Medusa | £ 198,333,307 | |
| 10194 | Medwain | £ 110,111,172 | |
| 10195 | Mee | £ 27,657,186 | |
| 10196 | Meeney Corp | £ 9,839,052 | |
| 10197 | Meeny Inc | £ 22,570,987 | |
| 10198 | Meep meep | £ 493,156,074 | |
| 10199 | Meerkat Movies | £ 70,976,024 | |
| 10200 | Meerkats | £ 550,594,543 | |
