The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 10501 | Matthews Kiosks | £ 877,790 | |
| 10502 | Mattikins | £ 50,000 | |
| 10503 | Matts money | £ 1,189,880 | |
| 10504 | Matts Place | £ 4,023,510 | |
| 10505 | Matty B Inc 7 | £ -331,481 | |
| 10506 | matty mears corporation | £ 7,886,001 | |
| 10507 | matty mears plc | £ 76,777,292 | |
| 10508 | MattyBinc | £ 69,763,618 | |
| 10509 | MattyBinc2 | £ 96,555,685 | |
| 10510 | MattyBinc3 | £ 38,675,838 | |
| 10511 | MattyBinc8 | £ 62,049,472 | |
| 10512 | Mau5trap | £ 939,845 | |
| 10513 | Mauro | £ 5,504,457 | |
| 10514 | mauro mania | £ 50,000 | |
| 10515 | maurotech | £ 548,809 | |
| 10516 | Mauve en Wit | £ 24,014,076 | |
| 10517 | Maverick Inc | £ 14,453,208 | |
| 10518 | Maverick Trouble Inc | £ 37,638,244 | |
| 10519 | Mavs | £ -158,119 | |
| 10520 | Maw | £ 5,504,812 | |
| 10521 | MaWahhh | £ 90,231,150 | |
| 10522 | MawkiMawki | £ 6,983,736 | |
| 10523 | Max Cash Grab Stuff Inc | £ 4,492,788 | |
| 10524 | Max Power | £ 113,331,826 | |
| 10525 | MaxAttack Ltd | £ 773,584 | |
| 10526 | Maxima | £ 9,994,577 | |
| 10527 | Maximas | £ 50,000 | |
| 10528 | Maximum | £ -2,213,330 | |
| 10529 | Maximum Force | £ 756,904,724 | |
| 10530 | Maximum Profit | £ 5,583,604 | |
| 10531 | MaximumRetaliation | £ 345,639 | |
| 10532 | Maximus Inc | £ -27,673 | |
| 10533 | maximus industries | £ 52,863,673 | |
| 10534 | Maximus Pyrotechnics | £ -22,809,232 | |
| 10535 | Maximus Storage | £ 4,310,218 | |
| 10536 | Maximuscle | £ 3,759,106 | |
| 10537 | Maxxis | £ 2,547,439 | |
| 10538 | May | £ 321,223,063 | |
| 10539 | May Day | £ 10,362,997 | |
| 10540 | May Hay | £ 6,903,268 | |
| 10541 | may help | £ 23,308,617 | |
| 10542 | Maya | £ 788,764,343 | |
| 10543 | Mayans | £ 28,668,150 | |
| 10544 | Maybach Music | £ 12,470,379 | |
| 10545 | Mayhem | £ 116,618,582 | |
| 10546 | Mayoland Inc. | £ -390,754 | |
| 10547 | Maz1 | £ 4,123,280 | |
| 10548 | Maz2 | £ 4,145,139 | |
| 10549 | Maz3 | £ 4,137,031 | |
| 10550 | Maz4 | £ 4,101,386 | |
| 10551 | Maziacs | £ 214,690,206 | |
| 10552 | MazManInc | £ 258,718 | |
| 10553 | mbm | £ 81,202,527 | |
| 10554 | Mc Dowells 2.0 | £ 14,294,011 | |
| 10555 | mc3 | £ 62,358,543 | |
| 10556 | Mcboobs Knocking Shops | £ 27,084 | |
| 10557 | mcbuttface | £ 3,955,729 | |
| 10558 | McCann Ind | £ -29,449 | |
| 10559 | McCon Inc. | £ 82,346,992 | |
| 10560 | McCormick Enterprises | £ 704,217 | |
| 10561 | McDAB | £ 53,108,625 | |
| 10562 | McDonalds | £ 18,885,463 | |
| 10563 | Mcdonalds Corporation | £ 134,518,979 | |
| 10564 | McDonaldsZim | £ 63,176,931 | |
| 10565 | McDumponface | £ 3,660 | |
| 10566 | McFadden | £ -131,571 | |
| 10567 | Mcfc88 | £ 5,201,809 | |
| 10568 | McGarrett | £ 193,129,471 | |
| 10569 | McGeeters | £ 83,681 | |
| 10570 | McGirk Waste Management | £ 2,848,421 | |
| 10571 | MCI Communications | £ 134,374,955 | |
| 10572 | Mckutchen | £ 1,830,803 | |
| 10573 | Mclaren Mercedes | £ 2,778,685 | |
| 10574 | McLovin | £ 2,299,983 | |
| 10575 | mcm | £ 57,999,853 | |
| 10576 | McNasty Burgers | £ 61,139,769 | |
| 10577 | McNuthugger | £ 5,002,136 | |
| 10578 | MCOC | £ 56,966,011 | |
| 10579 | Mcsmash | £ -11,927 | |
| 10580 | MDD Company | £ 34,883,687 | |
| 10581 | MDD3 company | £ 52,874,397 | |
| 10582 | MDD4 company | £ 39,561,399 | |
| 10583 | MDMA | £ 58,653,746 | |
| 10584 | Mdog 4 life | £ 111,028,668 | |
| 10585 | Mdog Enterprises | £ 241,225,148 | |
| 10586 | MDW Business | £ 5,507,240 | |
| 10587 | Me And I | £ 629,795 | |
| 10588 | me corp | £ 2,801,416 | |
| 10589 | Me crack in | £ 131,344,322 | |
| 10590 | me free | £ 367,615,854 | |
| 10591 | Me Only | £ 4,926,881 | |
| 10592 | Me Please | £ 82,095,731 | |
| 10593 | Me Silly | £ 106,123,518 | |
| 10594 | Me to see | £ 62,947,323 | |
| 10595 | Me, Im Counting | £ 4,820,143,977 | |
| 10596 | MEA | £ 356,839,045 | |
| 10597 | Meadow | £ 349,035,541 | |
| 10598 | Meal Time | £ 53,033,234 | |
| 10599 | Mean and Deadly LTD | £ 10,098,464 | |
| 10600 | Mean Electricity Ltd | £ -5,065,941 | |
