The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 12301 | McLovin | £ 2,299,983 | |
| 12302 | mcm | £ 57,999,853 | |
| 12303 | McNasty Burgers | £ 61,139,769 | |
| 12304 | MCOC | £ 56,966,011 | |
| 12305 | Mcsmash | £ -11,927 | |
| 12306 | MDD Company | £ 34,883,687 | |
| 12307 | MDD3 company | £ 52,874,397 | |
| 12308 | MDD4 company | £ 39,561,399 | |
| 12309 | MDMA | £ 58,653,746 | |
| 12310 | Mdog 4 life | £ 233,659,584 | |
| 12311 | Mdog Enterprises | £ 164,256,199 | |
| 12312 | MDP | £ 132,576,535 | |
| 12313 | MDW Business | £ 5,507,240 | |
| 12314 | Me And I | £ 629,795 | |
| 12315 | me corp | £ 2,801,416 | |
| 12316 | Me crack in | £ 131,344,322 | |
| 12317 | Me Only | £ 4,926,881 | |
| 12318 | Me Please | £ 82,095,731 | |
| 12319 | Me Silly | £ 106,123,518 | |
| 12320 | Me to see | £ 62,947,323 | |
| 12321 | Me, Im Counting | £ 4,820,143,977 | |
| 12322 | MEA | £ 356,839,045 | |
| 12323 | Meadow | £ 349,035,541 | |
| 12324 | Meal Time | £ 53,033,234 | |
| 12325 | Mean and Deadly LTD | £ 10,098,464 | |
| 12326 | Mean Electricity Ltd | £ -5,065,941 | |
| 12327 | Mean Machine | £ 174,484,012 | |
| 12328 | Mean Machine 10 | £ 101,887,250 | |
| 12329 | Mean Machine 11 | £ 83,273,024 | |
| 12330 | Mean Machine 12 | £ 24,847,409 | |
| 12331 | Mean Machine 2 | £ 112,632,517 | |
| 12332 | Mean Machine 3 | £ 125,726,960 | |
| 12333 | Mean Machine 4 | £ 180,450,398 | |
| 12334 | Mean Machine 5 | £ 160,955,182 | |
| 12335 | Mean Machine 6 | £ 135,487,477 | |
| 12336 | Mean Machine 7 | £ 104,371,655 | |
| 12337 | Mean Machine 8 | £ 124,950,567 | |
| 12338 | Mean Machine 9 | £ 104,923,716 | |
| 12339 | Meanies | £ 8,065,960 | |
| 12340 | Meaning | £ 261,740,977 | |
| 12341 | meanmoney | £ 288,694 | |
| 12342 | Means | £ 1,785,933,109 | |
| 12343 | Means Motive Opportunity | £ 138,834,373 | |
| 12344 | Meastro2 | £ 239,761 | |
| 12345 | Measurement | £ 1,524,409,040 | |
| 12346 | MEAT | £ 67,857,491 | |
| 12347 | meat locker | £ 4,528,034 | |
| 12348 | Meat popsticle | £ 18,382,336 | |
| 12349 | meats | £ 682,792,016 | |
| 12350 | MeatSacks LTD | £ 3,245,824 | |
| 12351 | Meatwads Dance Xplosion | £ 14,858,073 | |
| 12352 | mebers^6 | £ 1,012,181 | |
| 12353 | Mechanical Knowledge | £ 103,853,932 | |
| 12354 | Mechastein | £ 113,756,702 | |
| 12355 | Mechastein Inc | £ 60,914,193 | |
| 12356 | Mechrock | £ 397,826,364 | |
| 12357 | Media Market | £ 31,425,226 | |
| 12358 | Media Player | £ 11,385,898 | |
| 12359 | Medical City | £ 1,643,780,585 | |
| 12360 | Medications | £ 48,762,602 | |
| 12361 | Medicine | £ 107,658,336 | |
| 12362 | Medicine.Com | £ 184,984,146 | |
| 12363 | Medient | £ 508,983 | |
| 12364 | Mediolanum | £ 54,420,832 | |
| 12365 | Mediumship | £ 358,112,060 | |
| 12366 | MedPharm | £ 62,403,617 | |
| 12367 | Medusa | £ 290,947,180 | |
| 12368 | Medwain | £ 110,111,172 | |
| 12369 | Mee | £ 27,657,186 | |
| 12370 | Meeney Corp | £ 9,839,052 | |
| 12371 | Meeny Inc | £ 22,570,987 | |
| 12372 | Meep meep | £ 493,156,074 | |
| 12373 | Meerkats | £ 550,594,543 | |
| 12374 | MEG LTD | £ 23,571 | |
| 12375 | Mega Blox | £ 24,519,464,612 | |
| 12376 | MEGA BUDZ | £ 141,053 | |
| 12377 | Mega Corporation | £ 172,049 | |
| 12378 | Mega Corporations | £ 46,579,095 | |
| 12379 | Mega Mindy | £ 4,096,781 | |
| 12380 | Mega Mullets | £ 81,689,849 | |
| 12381 | MEGA Resources | £ 572,731 | |
| 12382 | Megababy Co. | £ 50,000 | |
| 12383 | Megabucks | £ 111,934 | |
| 12384 | Megabucks Dundee | £ 50,000 | |
| 12385 | Megabucks Inc | £ 5,930,887 | |
| 12386 | Megabucks United | £ 4,290,972 | |
| 12387 | Megabyte Systems | £ 42,778,217 | |
| 12388 | Megacorp | £ 594,680 | |
| 12389 | MEGACUCKxXxPEENLOVER | £ 6,893,653 | |
| 12390 | Megadeth | £ 65,357,403 | |
| 12391 | MegaDeth Mob | £ 61,516,745 | |
| 12392 | MegaloMafia | £ 612,786 | |
| 12393 | megamolloy | £ 2,797,245 | |
| 12394 | megamolloy3 | £ 4,226,104 | |
| 12395 | megapolis | £ 27,651,775 | |
| 12396 | Megasuperbadass Mart | £ 2,903,109 | |
| 12397 | Megaton | £ 290,639,244 | |
| 12398 | Megatron | £ 397,174,154 | |
| 12399 | Mehoff Erection Co | £ 4,005,620 | |
| 12400 | Mehrunes Dagon | £ 291,812,589 | |
