The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 13601 | Mancunia | £ -32,487 | |
| 13602 | Mancunia 2 | £ 138,386 | |
| 13603 | Mandalay Bay | £ 6,146,133 | |
| 13604 | Mandalore | £ 114,249,627 | |
| 13605 | Mandelbrot Set | £ 637,290,394 | |
| 13606 | mang | £ 2,904,476 | |
| 13607 | manginas | £ 46,000 | |
| 13608 | Mangle Inc | £ 16,870,733 | |
| 13609 | Mango Escapade | £ 115,346,715 | |
| 13610 | Mango incorporated | £ 76,448 | |
| 13611 | Manhattan Project | £ 362,488,934 | |
| 13612 | mania | £ 311,404,918 | |
| 13613 | Maniac | £ 2,993,292 | |
| 13614 | Maniac Express | £ 24,619,316 | |
| 13615 | Manic Miner | £ 81,614,358 | |
| 13616 | Manifest Destiny | £ 1,260,090,367 | |
| 13617 | Manities | £ 59,837,318 | |
| 13618 | Mankind | £ 170,883,979 | |
| 13619 | Mankind Divided | £ 511,833,059 | |
| 13620 | Manly Living | £ 2,808,857 | |
| 13621 | ManManMan | £ 47,858,669 | |
| 13622 | Mann | £ 93,159,477 | |
| 13623 | Mannanin Co | £ 8,845,526 | |
| 13624 | Manners | £ 5,259,968 | |
| 13625 | Manny | £ 1,263,886,299 | |
| 13626 | Mans Best Friend | £ 279,475,422 | |
| 13627 | Mans World | £ 114,904,442 | |
| 13628 | Mansell Industries Ltd. | £ 5,444,121,114 | |
| 13629 | Mansfield Bitter | £ 397,755,385 | |
| 13630 | Manta | £ 7,067,125,870 | |
| 13631 | Manta. | £ 21,707,124 | |
| 13632 | mantis | £ 5,463,181 | |
| 13633 | manu-de-janeiro | £ 12,962,879 | |
| 13634 | manu-upon-avon | £ 106,781,988 | |
| 13635 | manu-upon-avon2 | £ 7,786,748 | |
| 13636 | manu-upon-tyne | £ 12,073,546 | |
| 13637 | Manual Shift | £ 514,808,382 | |
| 13638 | Manwe Sulimo | £ 1,555,092,617 | |
| 13639 | Many | £ 5,464,758 | |
| 13640 | Many acres | £ 529,586,073 | |
| 13641 | many burner comps | £ 919,991,095 | |
| 13642 | many companies | £ 64,173,944 | |
| 13643 | Many Ends | £ 10,771,456 | |
| 13644 | Many Faces | £ 350,183,931 | |
| 13645 | Many Fossil Fuels | £ 55,702,842 | |
| 13646 | Many houses | £ 362,641,942 | |
| 13647 | Many Missiles | £ 317,489,477 | |
| 13648 | Many Monies Corporation | £ 50,000 | |
| 13649 | Many more | £ 62,287,354 | |
| 13650 | Many mushrooms | £ -14,428,318 | |
| 13651 | Many Mysteries | £ 765,679 | |
| 13652 | Many Names | £ 126,369,379 | |
| 13653 | many numbers | £ 43,995,214 | |
| 13654 | many sources | £ 104,908,241 | |
| 13655 | Many Talents | £ 5,504,706 | |
| 13656 | many wars | £ 107,597,129 | |
| 13657 | Many Women | £ 9,789,150 | |
| 13658 | Mao Tse-Tung | £ 2,985,024,402 | |
| 13659 | Mao Tsu Tsung | £ -1,713,345 | |
| 13660 | Maolina | £ 6,447,323 | |
| 13661 | Maose BV | £ 46,741 | |
| 13662 | Maosim | £ 91,071,858 | |
| 13663 | Map 1 | £ 245,267,148 | |
| 13664 | Map Flateners | £ 66,340,384 | |
| 13665 | Maple Leaf | £ 9,272,710 | |
| 13666 | Maple Syrup Monsters | £ 5,683,586 | |
| 13667 | MapleGrove | £ 483,977 | |
| 13668 | Mapleton Corp | £ 4,561,154 | |
| 13669 | Mapletree | £ 223,868,287 | |
| 13670 | Mapple | £ 7,653,759 | |
| 13671 | Maps | £ 125,558,869 | |
| 13672 | Mar MB | £ 59,938,508 | |
| 13673 | Mara Salvatrucha | £ 775,080,841 | |
| 13674 | Marathon | £ 59,899,042 | |
| 13675 | Marathon Runner | £ 58,033,010 | |
| 13676 | Marauders Inc | £ 4,803,396 | |
| 13677 | Marble Nook | £ -8,707,095 | |
| 13678 | Marbles | £ 336,923,960 | |
| 13679 | Marc Enterprises | £ 25,832,788 | |
| 13680 | Marcandmoles5 | £ 4,486,455 | |
| 13681 | March | £ 6,102,999 | |
| 13682 | March Equinox | £ 4,332,872 | |
| 13683 | Marching-Affair | £ 9,711,202,901 | |
| 13684 | Marching-Again | £ 1,729,189,416 | |
| 13685 | Marco Inc | £ 12,220,734 | |
| 13686 | Marco Marketing | £ 350,613,978 | |
| 13687 | Marco Simoncelli | £ 1,001,318,886 | |
| 13688 | Marcome Inc | £ -205,648 | |
| 13689 | Marcomm Inc | £ 5,254,390 | |
| 13690 | Mardi Gras | £ 8,780,596 | |
| 13691 | Mare Nubium | £ 217,810,294 | |
| 13692 | Mareals Beneficence | £ 10,471,098 | |
| 13693 | Margaret Thatcher | £ 63,413,613 | |
| 13694 | marge | £ 5,671,351 | |
| 13695 | Marges | £ 978,012,084 | |
| 13696 | Margot | £ 41,025,577 | |
| 13697 | Maria Vistablo | £ 232,659,468 | |
| 13698 | Marian | £ 10,841,138,789 | |
| 13699 | Mariana Trench | £ 1,393,094,580 | |
| 13700 | Marianas Trench | £ 272,221,173 | |
