The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 9801 | Magic Mushrooms | £ 160,108,013 | |
| 9802 | Magic Pie | £ 490,215,342 | |
| 9803 | Magic Rock Garden | £ 88,058,735 | |
| 9804 | Magic Round About | £ 60,232,415 | |
| 9805 | Magic Roundabout | £ 5,733,823 | |
| 9806 | Magic Stars | £ 173,127,270 | |
| 9807 | Magic Unicorns | £ 5,507,889 | |
| 9808 | Magician | £ 43,263,578 | |
| 9809 | magics | £ -12,910,537 | |
| 9810 | Magikarp | £ 54,441,892 | |
| 9811 | magma | £ 253,976,687 | |
| 9812 | Magnag Industries | £ 5,423,817 | |
| 9813 | Magnesia | £ 465,827,706 | |
| 9814 | Magnolia Properties | £ 5,505,968 | |
| 9815 | Magnum P.I. | £ 3,262,573,315 | |
| 9816 | Magnum Performance | £ 1,406,444 | |
| 9817 | Magnus Global | £ 79,802,258 | |
| 9818 | MagnusCorp | £ 56,468,260 | |
| 9819 | Magoo | £ 17,276,464 | |
| 9820 | Magoos | £ 35,729,833 | |
| 9821 | Magpie | £ 5,500,937 | |
| 9822 | Mags Estate | £ 5,508,790 | |
| 9823 | Mags Ltd | £ 4,552,528 | |
| 9824 | Mags Summer | £ 5,708,628 | |
| 9825 | Mai Kao Jai | £ 38,479,227 | |
| 9826 | Maicibai | £ 47,404,486 | |
| 9827 | Maid | £ 19,422,174 | |
| 9828 | £ 267,786,261 | ||
| 9829 | Main Force Patrol | £ 32,257,237 | |
| 9830 | Maison and Co | £ 2,656,528 | |
| 9831 | Major Suite | £ 17,697 | |
| 9832 | Makaveli | £ 54,448,813 | |
| 9833 | Makaveli II | £ 44,417,952 | |
| 9834 | Make America Great Again | £ 5,508,261 | |
| 9835 | Make Another Move | £ 196,432,513 | |
| 9836 | Make Gotham Great | £ 134,979,354 | |
| 9837 | make money | £ 4,810,592 | |
| 9838 | Make Netro Great | £ 1,733,342 | |
| 9839 | make this yet | £ 48,850,871 | |
| 9840 | makeofthis | £ 82,312,663 | |
| 9841 | maker | £ 6,849,833 | |
| 9842 | Maker Inc. | £ 2,239,625 | |
| 9843 | Makes Me Feel Fine | £ 64,773,514 | |
| 9844 | Making America Great | £ 164,451,564 | |
| 9845 | Making Pennies | £ 92,844,685 | |
| 9846 | Mako | £ 7,379,065 | |
| 9847 | Maks a Muckle | £ 926,730,009 | |
| 9848 | Malak.Co | £ -47,512 | |
| 9849 | Malaria | £ 1,959,297 | |
| 9850 | Malawi | £ 178,768,230 | |
| 9851 | Malaysia | £ 59,026,830 | |
| 9852 | Malaysia Jet Lost | £ 965,177 | |
| 9853 | MalCo | £ 16,148,870 | |
| 9854 | Malcontent | £ 110,148,082 | |
| 9855 | malformed creature | £ 226,729,818 | |
| 9856 | Malice | £ 779,213,606 | |
| 9857 | Malicious Intent | £ 55,421,858 | |
| 9858 | Malik Inc. | £ 43,598 | |
| 9859 | Malkowitz Industries | £ 303,579,424 | |
| 9860 | Mall | £ 33,937,859 | |
| 9861 | Mallard | £ 47,485,699 | |
| 9862 | Malt Liquor Hulk | £ 104,279,673 | |
| 9863 | Malta | £ 5,500,838 | |
| 9864 | Maltesers | £ 54,432,517 | |
| 9865 | Maluku Inc. | £ 32,601,576 | |
| 9866 | MAMA | £ 10,429,149 | |
| 9867 | mamamiah | £ 7,580,475 | |
| 9868 | mamamiahah | £ 73,270,710 | |
| 9869 | Mambeast Pte Ltd | £ -17,776,530 | |
| 9870 | mami | £ 10,204,605 | |
| 9871 | Mammaries | £ 443,603,860 | |
| 9872 | Mammi | £ 42,251,220 | |
| 9873 | Mammiiah | £ 6,959,891 | |
| 9874 | Mammon | £ 5,509,324 | |
| 9875 | mammoth proportions | £ 503,376,369 | |
| 9876 | mams secret milk | £ 5,504,304 | |
| 9877 | Man | £ 15,615,588 | |
| 9878 | Man 53 | £ 28,656,765 | |
| 9879 | Man Chu | £ 58,613 | |
| 9880 | Man Flu | £ 5,664,188 | |
| 9881 | Man in the Mirror | £ 20,566,211 | |
| 9882 | Man Kind | £ 100,281,734 | |
| 9883 | Man Lab | £ 2,388,802 | |
| 9884 | Man of Steel | £ 306,562,022 | |
| 9885 | Mana | £ 199,521 | |
| 9886 | Manaus | £ 257,899,725 | |
| 9887 | ManBearPig | £ 502,877,277 | |
| 9888 | ManChat | £ 24,921,317 | |
| 9889 | Manchester | £ 91,872,337 | |
| 9890 | Manchester Mayhem | £ 84,056 | |
| 9891 | manchester united | £ 5,711,474 | |
| 9892 | Manchester United XI | £ 5,357,466 | |
| 9893 | Manco Capac | £ 2,031,711,203 | |
| 9894 | Mancunia | £ -32,487 | |
| 9895 | Mancunia 2 | £ 138,386 | |
| 9896 | Mandalay Bay | £ 6,146,133 | |
| 9897 | Mandelbrot Set | £ 317,179,042 | |
| 9898 | mang | £ 2,904,476 | |
| 9899 | manginas | £ 46,000 | |
| 9900 | Mangle Inc | £ 16,870,733 | |
