The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 13501 | Manners | £ 5,259,968 | |
| 13502 | Manny | £ 1,263,886,299 | |
| 13503 | Mans Best Friend | £ 279,475,422 | |
| 13504 | Mans World | £ 114,904,442 | |
| 13505 | Mansell Industries Ltd. | £ 5,444,121,114 | |
| 13506 | Mansfield Bitter | £ 397,755,385 | |
| 13507 | Manta | £ 7,067,125,870 | |
| 13508 | Manta. | £ 21,707,124 | |
| 13509 | mantis | £ 5,463,181 | |
| 13510 | manu-de-janeiro | £ 12,962,879 | |
| 13511 | manu-upon-avon | £ 106,781,988 | |
| 13512 | manu-upon-avon2 | £ 7,786,748 | |
| 13513 | manu-upon-tyne | £ 12,073,546 | |
| 13514 | Manual Shift | £ 514,808,382 | |
| 13515 | Manwe Sulimo | £ 1,555,092,617 | |
| 13516 | Many | £ 5,464,758 | |
| 13517 | Many acres | £ 529,586,073 | |
| 13518 | many burner comps | £ 900,145,260 | |
| 13519 | many companies | £ 64,173,944 | |
| 13520 | Many Ends | £ 10,771,456 | |
| 13521 | Many Faces | £ 327,015,984 | |
| 13522 | Many Fossil Fuels | £ 55,702,842 | |
| 13523 | Many houses | £ 362,641,942 | |
| 13524 | Many Missiles | £ 275,489,477 | |
| 13525 | Many Monies Corporation | £ 50,000 | |
| 13526 | Many more | £ 62,287,354 | |
| 13527 | Many mushrooms | £ -14,428,318 | |
| 13528 | Many Mysteries | £ 765,679 | |
| 13529 | Many Names | £ 126,369,379 | |
| 13530 | many numbers | £ 43,995,214 | |
| 13531 | many sources | £ 104,908,241 | |
| 13532 | Many Talents | £ 5,504,706 | |
| 13533 | many wars | £ 107,597,129 | |
| 13534 | Many Women | £ 9,789,150 | |
| 13535 | Mao Tse-Tung | £ 2,985,024,402 | |
| 13536 | Mao Tsu Tsung | £ -1,713,345 | |
| 13537 | Maolina | £ 6,447,323 | |
| 13538 | Maose BV | £ 46,741 | |
| 13539 | Maosim | £ 91,071,858 | |
| 13540 | Map 1 | £ 175,167,149 | |
| 13541 | Map Flateners | £ 66,340,384 | |
| 13542 | Maple Leaf | £ 9,272,710 | |
| 13543 | Maple Syrup Monsters | £ 5,683,586 | |
| 13544 | MapleGrove | £ 483,977 | |
| 13545 | Mapleton Corp | £ 4,561,154 | |
| 13546 | Mapletree | £ 142,001,624 | |
| 13547 | Mapple | £ 7,653,759 | |
| 13548 | Maps | £ 75,096,388 | |
| 13549 | Mar MB | £ 59,938,508 | |
| 13550 | Mara Salvatrucha | £ 775,516,343 | |
| 13551 | Marathon | £ 59,899,042 | |
| 13552 | Marathon Runner | £ 58,033,010 | |
| 13553 | Marauders Inc | £ 4,803,396 | |
| 13554 | Marble Nook | £ -9,484,279 | |
| 13555 | Marbles | £ 336,923,960 | |
| 13556 | Marc Enterprises | £ 25,832,788 | |
| 13557 | Marcandmoles5 | £ 4,486,455 | |
| 13558 | March | £ 6,102,999 | |
| 13559 | March Equinox | £ 4,332,872 | |
| 13560 | Marching-Affair | £ 9,711,202,901 | |
| 13561 | Marching-Again | £ 1,729,189,416 | |
| 13562 | Marco Inc | £ 12,220,734 | |
| 13563 | Marco Marketing | £ 350,613,978 | |
| 13564 | Marco Simoncelli | £ 1,001,318,886 | |
| 13565 | Marcome Inc | £ -205,648 | |
| 13566 | Marcomm Inc | £ 5,254,390 | |
| 13567 | Mardi Gras | £ 2,896,195 | |
| 13568 | Mare Nubium | £ 217,810,294 | |
| 13569 | Mareals Beneficence | £ 10,471,098 | |
| 13570 | Margaret Thatcher | £ 63,413,613 | |
| 13571 | marge | £ 5,671,351 | |
| 13572 | Marges | £ 978,012,084 | |
| 13573 | Margot | £ 41,025,577 | |
| 13574 | Maria Vistablo | £ 235,031,231 | |
| 13575 | Marian | £ 10,841,138,789 | |
| 13576 | Mariana Trench | £ 1,345,764,308 | |
| 13577 | Marianas Trench | £ 272,221,173 | |
| 13578 | Marijuana | £ 139,330,510 | |
| 13579 | Marijuana Land | £ 50,000 | |
| 13580 | Marillion | £ 652,236,539 | |
| 13581 | Marilyn Manson | £ 3,231,724 | |
| 13582 | Marilyn Monroe | £ 193,036,060 | |
| 13583 | Mario | £ 148,719,211 | |
| 13584 | Mario Bros. Plumbing | £ 81,456,365 | |
| 13585 | Mario Brothers Plumbing | £ 5,252,769 | |
| 13586 | Marion Morrison | £ 127,909,303 | |
| 13587 | Mariqueen | £ 98,160,306 | |
| 13588 | Maritime Fish Factory | £ 2,719,055 | |
| 13589 | Mark Chapman | £ 54,086,382 | |
| 13590 | Mark Co | £ 529,484 | |
| 13591 | Mark Zuckerberg Pte Ltd | £ 891,370,451 | |
| 13592 | Market failure | £ 440,613,693 | |
| 13593 | Market Spike | £ 1,374,802 | |
| 13594 | MarketLiquidity | £ 10,169,358 | |
| 13595 | Marks and Spencer | £ 1,077,412,977 | |
| 13596 | Marley | £ 5,014,024 | |
| 13597 | Marlin inc | £ 1,915,058 | |
| 13598 | Marmalade | £ 1,098,236,003 | |
| 13599 | Marmara | £ 1,010,339,022 | |
| 13600 | Marmite | £ 192,554,630 | |
