The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 12701 | Materials | £ 5,293,904 | |
| 12702 | Mathewmatics | £ 6,466,483 | |
| 12703 | Matrix | £ 14,797,169 | |
| 12704 | Matrix Reimbursed | £ 134,369,263 | |
| 12705 | Mats | £ 6,079,772,915 | |
| 12706 | Matt Coprporations | £ 25,939,511 | |
| 12707 | Matt Corp 2 | £ 5,507,664 | |
| 12708 | Matt Lange | £ 171,062,826 | |
| 12709 | Matt Schaub | £ 210,415,111 | |
| 12710 | Matteo Messina Denaro | £ 5,501,813 | |
| 12711 | Matter | £ 811,765,265 | |
| 12712 | matthew martin | £ 11,196,263 | |
| 12713 | Matthews Kiosks | £ 877,790 | |
| 12714 | Mattikins | £ 50,000 | |
| 12715 | MattMurdoch | £ 66,808,737 | |
| 12716 | Matts money | £ 1,189,880 | |
| 12717 | Matts Place | £ 4,023,510 | |
| 12718 | Matty B Inc 7 | £ -331,481 | |
| 12719 | matty mears corporation | £ 7,886,001 | |
| 12720 | matty mears plc | £ 76,777,292 | |
| 12721 | MattyBinc | £ 69,763,618 | |
| 12722 | MattyBinc2 | £ 96,555,685 | |
| 12723 | MattyBinc3 | £ 38,675,838 | |
| 12724 | MattyBinc8 | £ 62,049,472 | |
| 12725 | Mau5trap | £ 939,845 | |
| 12726 | Maui Waui | £ -690,143 | |
| 12727 | Mauro | £ 5,504,457 | |
| 12728 | mauro mania | £ 50,000 | |
| 12729 | maurotech | £ 548,809 | |
| 12730 | Mauve en Wit | £ 24,014,076 | |
| 12731 | Maverick Inc | £ 14,453,208 | |
| 12732 | Maverick Trouble Inc | £ 37,638,244 | |
| 12733 | Mavs | £ -158,119 | |
| 12734 | Maw | £ 5,504,812 | |
| 12735 | MaWahhh | £ 90,231,150 | |
| 12736 | MawkiMawki | £ 6,983,736 | |
| 12737 | Max | £ 32,846,000 | |
| 12738 | Max Cash Grab Stuff Inc | £ 4,492,788 | |
| 12739 | Max Pain | £ 135,911,956 | |
| 12740 | Max Power | £ 113,331,826 | |
| 12741 | MaxAttack Ltd | £ 773,584 | |
| 12742 | Maxima | £ 9,994,577 | |
| 12743 | Maximalism | £ 71,468,650 | |
| 12744 | Maximas | £ 50,000 | |
| 12745 | Maximum | £ -2,213,330 | |
| 12746 | Maximum Force | £ 756,904,724 | |
| 12747 | Maximum Profit | £ 5,583,604 | |
| 12748 | MaximumRetaliation | £ 345,639 | |
| 12749 | Maximus Inc | £ -27,673 | |
| 12750 | maximus industries | £ 52,863,673 | |
| 12751 | Maximus Pyrotechnics | £ -22,809,232 | |
| 12752 | Maximus Storage | £ 4,310,218 | |
| 12753 | Maximuscle | £ 3,759,106 | |
| 12754 | Maxxis | £ 2,547,439 | |
| 12755 | May | £ 321,223,063 | |
| 12756 | May Day | £ 10,362,997 | |
| 12757 | May Hay | £ 6,903,268 | |
| 12758 | may help | £ 23,308,617 | |
| 12759 | Maya | £ 857,798,735 | |
| 12760 | Mayans | £ 28,668,150 | |
| 12761 | Maybach Music | £ 12,470,379 | |
| 12762 | Mayhem | £ 116,618,582 | |
| 12763 | Mayoland Inc. | £ -390,754 | |
| 12764 | Maz1 | £ 4,123,280 | |
| 12765 | Maz2 | £ 4,145,139 | |
| 12766 | Maz3 | £ 4,137,031 | |
| 12767 | Maz4 | £ 4,101,386 | |
| 12768 | Maziacs | £ 214,690,206 | |
| 12769 | MazManInc | £ 258,718 | |
| 12770 | mbm | £ 81,202,527 | |
| 12771 | Mc Dowells 2.0 | £ 14,294,011 | |
| 12772 | mc3 | £ 62,358,543 | |
| 12773 | McBombFace | £ 3,871,640 | |
| 12774 | Mcboobs Knocking Shops | £ 27,084 | |
| 12775 | mcbuttface | £ 3,955,729 | |
| 12776 | McCann Ind | £ -29,449 | |
| 12777 | McCon Inc. | £ 82,346,992 | |
| 12778 | McCormick Enterprises | £ 704,217 | |
| 12779 | McDAB | £ 76,475,382 | |
| 12780 | McDonalds | £ 18,885,463 | |
| 12781 | Mcdonalds Corporation | £ 134,518,979 | |
| 12782 | McDonaldsZim | £ 63,176,931 | |
| 12783 | McDumponface | £ 3,660 | |
| 12784 | McFadden | £ -131,571 | |
| 12785 | Mcfc88 | £ 10,404,015 | |
| 12786 | McFcuk | £ 3,374,116 | |
| 12787 | McGarrett | £ 193,129,471 | |
| 12788 | McGeeters | £ 83,681 | |
| 12789 | McGill | £ 55,076,173 | |
| 12790 | McGirk Waste Management | £ 86,656 | |
| 12791 | MCI Communications | £ 134,374,955 | |
| 12792 | Mckutchen | £ 1,830,803 | |
| 12793 | Mclaren Mercedes | £ 2,778,685 | |
| 12794 | McLovin | £ 2,299,983 | |
| 12795 | mcm | £ 57,999,853 | |
| 12796 | McNasty Burgers | £ 61,139,769 | |
| 12797 | McNuthugger | £ 5,002,136 | |
| 12798 | MCOC | £ 56,966,011 | |
| 12799 | Mcsmash | £ -11,927 | |
| 12800 | MDD Company | £ 34,883,687 | |
