The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 10601 | Master Builders | £ 6,821,399 | |
| 10602 | master molloy2 | £ 3,015,413 | |
| 10603 | Master of Zelda | £ -757,416 | |
| 10604 | Master Sticker Peelers | £ 256,154 | |
| 10605 | Master Swords and Bows | £ 24,666,107 | |
| 10606 | Mastercard | £ 252,652,100 | |
| 10607 | mastermolloy1 | £ 4,589,292 | |
| 10608 | mastermolloy4 | £ 878,532 | |
| 10609 | Masters | £ 72,653,951 | |
| 10610 | mastertkd | £ 156,322,341 | |
| 10611 | Masterton | £ 9,742,506 | |
| 10612 | Mata.inc | £ 13,598,445 | |
| 10613 | Matador Cattle Company | £ 5,024,777 | |
| 10614 | matches | £ 795,209,718 | |
| 10615 | Matches plus Petrol | £ 241,036,177 | |
| 10616 | Matchlock | £ 324,682 | |
| 10617 | Materia | £ 19,046,923 | |
| 10618 | Mathewmatics | £ 6,466,483 | |
| 10619 | Matrix | £ 14,797,169 | |
| 10620 | Matrix Reimbursed | £ 134,369,263 | |
| 10621 | Mats | £ 6,079,772,915 | |
| 10622 | Matt Coprporations | £ 25,939,511 | |
| 10623 | Matt Corp 2 | £ 5,507,664 | |
| 10624 | Matt Lange | £ 171,005,052 | |
| 10625 | Matt Schaub | £ 210,415,111 | |
| 10626 | Matter | £ 285,331,946 | |
| 10627 | Matthews Kiosks | £ 877,790 | |
| 10628 | Mattikins | £ 50,000 | |
| 10629 | Matts money | £ 1,189,880 | |
| 10630 | Matts Place | £ 4,023,510 | |
| 10631 | Matty B Inc 7 | £ -331,481 | |
| 10632 | matty mears corporation | £ 7,886,001 | |
| 10633 | matty mears plc | £ 76,777,292 | |
| 10634 | MattyBinc | £ 69,763,618 | |
| 10635 | MattyBinc2 | £ 96,555,685 | |
| 10636 | MattyBinc3 | £ 38,675,838 | |
| 10637 | MattyBinc8 | £ 62,049,472 | |
| 10638 | Mau5trap | £ 939,845 | |
| 10639 | Mauro | £ 5,504,457 | |
| 10640 | mauro mania | £ 50,000 | |
| 10641 | maurotech | £ 548,809 | |
| 10642 | Mauve en Wit | £ 24,014,076 | |
| 10643 | Maverick Inc | £ 14,453,208 | |
| 10644 | Maverick Trouble Inc | £ 37,638,244 | |
| 10645 | Mavs | £ -158,119 | |
| 10646 | Maw | £ 5,504,812 | |
| 10647 | MaWahhh | £ 90,231,150 | |
| 10648 | MawkiMawki | £ 6,983,736 | |
| 10649 | Max Cash Grab Stuff Inc | £ 4,492,788 | |
| 10650 | Max Power | £ 113,331,826 | |
| 10651 | MaxAttack Ltd | £ 773,584 | |
| 10652 | Maxima | £ 9,994,577 | |
| 10653 | Maximas | £ 50,000 | |
| 10654 | Maximum | £ -2,213,330 | |
| 10655 | Maximum Force | £ 756,904,724 | |
| 10656 | Maximum Profit | £ 5,583,604 | |
| 10657 | MaximumRetaliation | £ 345,639 | |
| 10658 | Maximus Inc | £ -27,673 | |
| 10659 | maximus industries | £ 52,863,673 | |
| 10660 | Maximus Pyrotechnics | £ -22,809,232 | |
| 10661 | Maximus Storage | £ 4,310,218 | |
| 10662 | Maximuscle | £ 3,759,106 | |
| 10663 | Maxxis | £ 2,547,439 | |
| 10664 | May | £ 321,223,063 | |
| 10665 | May Day | £ 10,362,997 | |
| 10666 | May Hay | £ 6,903,268 | |
| 10667 | may help | £ 23,308,617 | |
| 10668 | Maya | £ 788,764,343 | |
| 10669 | Mayans | £ 28,668,150 | |
| 10670 | Maybach Music | £ 12,470,379 | |
| 10671 | Mayhem | £ 116,618,582 | |
| 10672 | Mayoland Inc. | £ -390,754 | |
| 10673 | Maz1 | £ 4,123,280 | |
| 10674 | Maz2 | £ 4,145,139 | |
| 10675 | Maz3 | £ 4,137,031 | |
| 10676 | Maz4 | £ 4,101,386 | |
| 10677 | Maziacs | £ 214,690,206 | |
| 10678 | MazManInc | £ 258,718 | |
| 10679 | mbm | £ 81,202,527 | |
| 10680 | Mc Dowells 2.0 | £ 14,294,011 | |
| 10681 | mc3 | £ 62,358,543 | |
| 10682 | Mcboobs Knocking Shops | £ 27,084 | |
| 10683 | mcbuttface | £ 3,955,729 | |
| 10684 | McCann Ind | £ -29,449 | |
| 10685 | McCon Inc. | £ 82,346,992 | |
| 10686 | McCormick Enterprises | £ 704,217 | |
| 10687 | McDAB | £ 53,108,625 | |
| 10688 | McDonalds | £ 18,885,463 | |
| 10689 | Mcdonalds Corporation | £ 134,518,979 | |
| 10690 | McDonaldsZim | £ 63,176,931 | |
| 10691 | McDumponface | £ 3,660 | |
| 10692 | McFadden | £ -131,571 | |
| 10693 | Mcfc88 | £ 5,201,809 | |
| 10694 | McGarrett | £ 193,129,471 | |
| 10695 | McGeeters | £ 83,681 | |
| 10696 | McGirk Waste Management | £ 2,848,421 | |
| 10697 | MCI Communications | £ 134,374,955 | |
| 10698 | Mckutchen | £ 1,830,803 | |
| 10699 | Mclaren Mercedes | £ 2,778,685 | |
| 10700 | McLovin | £ 2,299,983 | |
