The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 13801 | Mags Estate | £ 5,508,790 | |
| 13802 | Mags Ltd | £ 4,552,528 | |
| 13803 | Mags Summer | £ 5,708,628 | |
| 13804 | Mah Na Mah Na | £ 3,130,458 | |
| 13805 | Mai Kao Jai | £ 38,479,227 | |
| 13806 | Maicibai | £ 47,404,486 | |
| 13807 | Maid | £ 155,417,138 | |
| 13808 | £ 548,105,424 | ||
| 13809 | Main | £ 92,271,660 | |
| 13810 | Main Force Patrol | £ 32,257,237 | |
| 13811 | Maintenance | £ 619,311,696 | |
| 13812 | Majic | £ 23,532,228 | |
| 13813 | Majic Mushrooms | £ 54,504,646 | |
| 13814 | major proportions | £ 330,952,609 | |
| 13815 | Major Space Crossroutes | £ 167,618,040 | |
| 13816 | Major Suite | £ 17,697 | |
| 13817 | Major Tom | £ 49,349,221 | |
| 13818 | Make America Great Again | £ 5,508,261 | |
| 13819 | Make Gotham Great | £ 134,979,354 | |
| 13820 | make money | £ 4,810,592 | |
| 13821 | Make Netro Great | £ 3,983,342 | |
| 13822 | make this yet | £ 90,110,795 | |
| 13823 | makeofthis | £ 134,245,142 | |
| 13824 | Maker Inc. | £ 2,239,625 | |
| 13825 | Makes Me Feel Fine | £ 64,773,514 | |
| 13826 | Making America Great | £ 164,451,564 | |
| 13827 | Making Pennies | £ 92,844,685 | |
| 13828 | making so many | £ 85,241,085 | |
| 13829 | Mako | £ 10,829,833 | |
| 13830 | Maks a Muckle | £ 938,220,068 | |
| 13831 | Malak.Co | £ -47,512 | |
| 13832 | Malaria | £ 1,959,297 | |
| 13833 | Malawi | £ 178,768,230 | |
| 13834 | Malaysia | £ 59,026,830 | |
| 13835 | MalCo | £ 16,148,870 | |
| 13836 | Malcontent | £ 110,148,082 | |
| 13837 | Malevolence | £ 1,704,444,541 | |
| 13838 | malformed creature | £ 267,031,614 | |
| 13839 | Malice | £ 1,663,650,147 | |
| 13840 | Malicious Intent | £ 55,421,858 | |
| 13841 | Malignant Mutt | £ 55,594,011 | |
| 13842 | Malik Inc. | £ 43,598 | |
| 13843 | Malinois Inc | £ 112,063,766 | |
| 13844 | Maliwan Munitions | £ 54,479,643 | |
| 13845 | Malkowitz Industries | £ 303,579,424 | |
| 13846 | Mall | £ 33,937,859 | |
| 13847 | Mallard | £ 47,485,699 | |
| 13848 | Malt Liquor Hulk | £ 118,058,614 | |
| 13849 | Malta | £ 5,500,838 | |
| 13850 | Maltesers | £ 54,432,517 | |
| 13851 | Maltou Avenue | £ 4,176,354 | |
| 13852 | Maluku Inc. | £ 32,601,576 | |
| 13853 | MAMA | £ 10,429,149 | |
| 13854 | Mama Said Knock You Out | £ 239,813,209 | |
| 13855 | mamamiah | £ 7,580,475 | |
| 13856 | mamamiahah | £ 73,270,710 | |
| 13857 | Mamba | £ 140,045,572 | |
| 13858 | Mambeast Pte Ltd | £ -17,776,530 | |
| 13859 | mami | £ 10,204,605 | |
| 13860 | Mammaries | £ 443,603,860 | |
| 13861 | Mammi | £ 42,251,220 | |
| 13862 | Mammiiah | £ 6,959,891 | |
| 13863 | Mammon | £ 5,509,324 | |
| 13864 | mammoth proportions | £ 503,376,369 | |
| 13865 | mams secret milk | £ 5,504,304 | |
| 13866 | Man | £ 17,801,890 | |
| 13867 | Man 53 | £ 28,656,765 | |
| 13868 | Man Chu | £ 58,613 | |
| 13869 | Man Flu | £ 5,664,188 | |
| 13870 | Man in the Mirror | £ 20,566,211 | |
| 13871 | Man Kind | £ 100,281,734 | |
| 13872 | Man Lab | £ 2,388,802 | |
| 13873 | Man Standing | £ 64,498,616 | |
| 13874 | Man Utd Please | £ 13,441,810 | |
| 13875 | Mana | £ 199,521 | |
| 13876 | managed | £ 272,908,637 | |
| 13877 | Manamana | £ 12,300,998 | |
| 13878 | Mananama | £ 14,088,511 | |
| 13879 | Manaus | £ 257,899,725 | |
| 13880 | ManBearPig | £ 502,877,277 | |
| 13881 | ManChat | £ 24,921,317 | |
| 13882 | Manchester | £ 303,684,849 | |
| 13883 | Manchester City fc | £ 29,318,533 | |
| 13884 | Manchester Mayhem | £ 84,056 | |
| 13885 | Manchester United F.C. | £ 6,128,552,077 | |
| 13886 | Manchester United XI | £ 5,357,466 | |
| 13887 | Manchester Unitedfc | £ -1,131,040 | |
| 13888 | Manco Capac | £ 2,037,711,203 | |
| 13889 | Mancunia | £ -32,487 | |
| 13890 | Mancunia 2 | £ 138,386 | |
| 13891 | Mandalay Bay | £ 6,146,133 | |
| 13892 | Mandalore | £ 114,249,627 | |
| 13893 | Mandelbrot Set | £ 736,073,883 | |
| 13894 | mang | £ 2,904,476 | |
| 13895 | manginas | £ 46,000 | |
| 13896 | Mangle Inc | £ 16,870,733 | |
| 13897 | Mango Escapade | £ 115,346,715 | |
| 13898 | Mango incorporated | £ 76,448 | |
| 13899 | Manhattan Project | £ 466,625,026 | |
| 13900 | mania | £ 311,404,918 | |
