The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 13801 | Master Sticker Peelers | £ 256,154 | |
| 13802 | Master Swords and Bows | £ 58,558,951 | |
| 13803 | Masterbuilt | £ 552,143,649 | |
| 13804 | mastermolloy1 | £ 4,589,292 | |
| 13805 | mastermolloy4 | £ 878,532 | |
| 13806 | Masters | £ 1,276,472,914 | |
| 13807 | mastertkd | £ 156,322,341 | |
| 13808 | Masterton | £ 9,742,506 | |
| 13809 | Mata.inc | £ 13,598,445 | |
| 13810 | Matador Cattle Company | £ 5,024,777 | |
| 13811 | matches | £ 795,209,718 | |
| 13812 | Matches plus Petrol | £ 250,708,917 | |
| 13813 | Matchlock | £ 324,682 | |
| 13814 | Matchstick Men | £ 49,555,217 | |
| 13815 | Materia | £ 19,046,923 | |
| 13816 | Materials | £ 5,293,904 | |
| 13817 | Mathewmatics | £ 6,466,483 | |
| 13818 | Matrix | £ 14,797,169 | |
| 13819 | Matrix Industries | £ 30,899,641 | |
| 13820 | Matrix Reimbursed | £ 134,369,263 | |
| 13821 | Mats | £ 6,079,772,915 | |
| 13822 | Matt Coprporations | £ 25,939,511 | |
| 13823 | Matt Corp 2 | £ 5,507,664 | |
| 13824 | Matt Schaub | £ 210,415,111 | |
| 13825 | Matter | £ 811,765,265 | |
| 13826 | matthew martin | £ 11,196,263 | |
| 13827 | Matthews Kiosks | £ 877,790 | |
| 13828 | Mattikins | £ 50,000 | |
| 13829 | MattMurdoch | £ 66,808,737 | |
| 13830 | Matts money | £ 1,189,880 | |
| 13831 | Matts Place | £ 4,023,510 | |
| 13832 | Mattski Inc | £ 101,392 | |
| 13833 | Matty B Inc 7 | £ -331,481 | |
| 13834 | matty mears corporation | £ 7,886,001 | |
| 13835 | matty mears plc | £ 76,777,292 | |
| 13836 | MattyBinc | £ 69,763,618 | |
| 13837 | MattyBinc2 | £ 96,555,685 | |
| 13838 | MattyBinc3 | £ 38,675,838 | |
| 13839 | MattyBinc8 | £ 62,049,472 | |
| 13840 | Mau5trap | £ 939,845 | |
| 13841 | Maui Waui | £ -690,143 | |
| 13842 | Mauro | £ 5,504,457 | |
| 13843 | mauro mania | £ 50,000 | |
| 13844 | maurotech | £ 548,809 | |
| 13845 | Mauve en Wit | £ 29,086,507 | |
| 13846 | Maverick Inc | £ 14,453,208 | |
| 13847 | Maverick Trouble Inc | £ 37,638,244 | |
| 13848 | Mavs | £ -158,119 | |
| 13849 | Maw | £ 5,504,812 | |
| 13850 | MaWahhh | £ 90,231,150 | |
| 13851 | MawkiMawki | £ 6,983,736 | |
| 13852 | maws house of life | £ 39,699,207 | |
| 13853 | maws house of life 3 | £ 14,416,934 | |
| 13854 | maws house of life2 | £ 9,040,544 | |
| 13855 | Max | £ 32,846,000 | |
| 13856 | Max Cash Grab Stuff Inc | £ 4,492,788 | |
| 13857 | Max Pain | £ 135,911,956 | |
| 13858 | MaxAttack Ltd | £ 773,584 | |
| 13859 | Maxima | £ 9,994,577 | |
| 13860 | Maximas | £ 50,000 | |
| 13861 | Maximize your Lips | £ 3,373,774 | |
| 13862 | Maximum | £ -2,213,330 | |
| 13863 | Maximum Appeal Lettings | £ 52,332,978 | |
| 13864 | Maximum Force | £ 756,904,724 | |
| 13865 | Maximum Profit | £ 5,583,604 | |
| 13866 | MaximumRetaliation | £ 345,639 | |
| 13867 | Maximus Inc | £ -27,673 | |
| 13868 | maximus industries | £ 52,863,673 | |
| 13869 | Maximus Pyrotechnics | £ -22,809,232 | |
| 13870 | Maximus Storage | £ 4,310,218 | |
| 13871 | Maximuscle | £ 3,759,106 | |
| 13872 | Maxo-Million | £ 255,158 | |
| 13873 | Maxxis | £ 2,547,439 | |
| 13874 | May | £ 321,223,063 | |
| 13875 | may help | £ 23,308,617 | |
| 13876 | Maya | £ 857,798,735 | |
| 13877 | Mayans | £ 28,668,150 | |
| 13878 | Mayans MC | £ 484,412,444 | |
| 13879 | Maybach Music | £ 12,470,379 | |
| 13880 | Maybe next day | £ 3,220,045 | |
| 13881 | Maybe tomorrow | £ 8,640,605 | |
| 13882 | Mayday | £ 1,957,450 | |
| 13883 | Mayfair | £ 44,991,101 | |
| 13884 | Mayhem | £ 116,618,582 | |
| 13885 | Mayhem. | £ 178,430,050 | |
| 13886 | Mayoland Inc. | £ -390,754 | |
| 13887 | Maz1 | £ 4,123,280 | |
| 13888 | Maz2 | £ 4,145,139 | |
| 13889 | Maz3 | £ 4,137,031 | |
| 13890 | Maz4 | £ 4,101,386 | |
| 13891 | Mazda | £ 9,519,369 | |
| 13892 | Mazeryk Enterprise | £ 84,958,060 | |
| 13893 | Maziacs | £ 214,690,206 | |
| 13894 | MazManInc | £ 258,718 | |
| 13895 | mbm | £ 81,202,527 | |
| 13896 | Mc Dowells 2.0 | £ 14,294,011 | |
| 13897 | mc3 | £ 62,358,543 | |
| 13898 | McBombFace | £ 3,871,640 | |
| 13899 | Mcboobs Knocking Shops | £ 27,084 | |
| 13900 | mcbuttface | £ 3,955,729 | |
