The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 11401 | ManManMan | £ 38,206,350 | |
| 11402 | Mannanin Co | £ 8,845,526 | |
| 11403 | Manny | £ 333,621,158 | |
| 11404 | Mans Best Friend | £ 279,475,422 | |
| 11405 | Mans World | £ 103,865,359 | |
| 11406 | Mansell Industries Ltd. | £ 3,075,895,590 | |
| 11407 | Mansfield Bitter | £ 397,755,385 | |
| 11408 | Manta | £ 7,067,125,870 | |
| 11409 | Manta. | £ 21,707,124 | |
| 11410 | mantis | £ 5,463,181 | |
| 11411 | Manu upon avon | £ 1,056,762 | |
| 11412 | manu-de-janeiro | £ 12,962,879 | |
| 11413 | manu-upon-avon | £ 106,781,988 | |
| 11414 | manu-upon-avon2 | £ 7,786,748 | |
| 11415 | manu-upon-tyne | £ 12,073,546 | |
| 11416 | Manual Shift | £ 514,808,382 | |
| 11417 | Manwe Sulimo | £ 53,048,180 | |
| 11418 | Many | £ 5,464,758 | |
| 11419 | Many acres | £ 521,974,837 | |
| 11420 | many companies | £ 64,173,944 | |
| 11421 | Many Ends | £ 10,771,456 | |
| 11422 | Many Faces | £ 730,713,208 | |
| 11423 | Many Fossil Fuels | £ 55,702,842 | |
| 11424 | Many houses | £ 357,182,784 | |
| 11425 | Many Missiles | £ 193,838,117 | |
| 11426 | Many Monies Corporation | £ 50,000 | |
| 11427 | Many more | £ 62,287,354 | |
| 11428 | Many mushrooms | £ -14,428,318 | |
| 11429 | Many Mysteries | £ 765,679 | |
| 11430 | Many Names | £ 64,578 | |
| 11431 | many numbers | £ 43,995,214 | |
| 11432 | Many Women | £ 4,358,376 | |
| 11433 | Many Years | £ 380,300 | |
| 11434 | Manytimesusedpubbucket | £ 5,530,466 | |
| 11435 | Mao Tse-Tung | £ 1,345,130,259 | |
| 11436 | Mao Tsu Tsung | £ -1,713,345 | |
| 11437 | Maolina | £ 6,447,323 | |
| 11438 | Maose BV | £ 46,741 | |
| 11439 | Maosim | £ 62,212,646 | |
| 11440 | Map Flateners | £ 66,340,384 | |
| 11441 | Maple Leaf | £ 9,272,710 | |
| 11442 | Maple Syrup | £ 53,276,118 | |
| 11443 | Maple Syrup Monsters | £ 5,683,586 | |
| 11444 | MapleGrove | £ 483,977 | |
| 11445 | Mapleton Corp | £ 4,561,154 | |
| 11446 | MapleTree | £ 95,287,088 | |
| 11447 | Mapple | £ 7,653,759 | |
| 11448 | Maps | £ 2,149,816 | |
| 11449 | Mar | £ 3,945,236,508 | |
| 11450 | Mar MB | £ 59,938,508 | |
| 11451 | Mara Salvatrucha | £ 440,730,837 | |
| 11452 | Marathon | £ 59,899,042 | |
| 11453 | Marathon Runner | £ 58,033,010 | |
| 11454 | Marauders Inc | £ 4,803,396 | |
| 11455 | Marbles | £ 242,173,960 | |
| 11456 | Marc Enterprises | £ 25,832,788 | |
| 11457 | Marcandmoles5 | £ 4,486,455 | |
| 11458 | March | £ 6,102,999 | |
| 11459 | Marching-Affair | £ 9,701,603,338 | |
| 11460 | Marching-Again | £ 1,729,189,416 | |
| 11461 | Marco Inc | £ 12,220,734 | |
| 11462 | Marco Marketing | £ 350,613,978 | |
| 11463 | Marco Pierre White | £ 45,711,831 | |
| 11464 | Marco Simoncelli | £ 207,322,690 | |
| 11465 | Marcome Inc | £ -205,648 | |
| 11466 | Marcomm Inc | £ 5,254,390 | |
| 11467 | Marcus corp | £ 2,161,927 | |
| 11468 | Mareals Beneficence | £ 10,471,098 | |
| 11469 | Margam | £ 581,332 | |
| 11470 | Margaret Thatcher | £ 63,413,613 | |
| 11471 | Marges | £ 978,012,084 | |
| 11472 | Marian | £ 10,841,138,789 | |
| 11473 | Marianas Trench | £ 362,582,082 | |
| 11474 | Marijuana | £ 139,330,510 | |
| 11475 | Marijuana Laws | £ 251,258,403 | |
| 11476 | Marik Stelele | £ 1,645,091 | |
| 11477 | Marine Drive | £ 601,113,891 | |
| 11478 | Mario | £ 148,719,211 | |
| 11479 | Mario Bros. Plumbing | £ 21,346,748 | |
| 11480 | Marion Morrison | £ 43,028,122 | |
| 11481 | Marissa | £ 1,378,328,809 | |
| 11482 | Marissa 2 | £ 524,757,169 | |
| 11483 | Marissa 3 | £ 667,967,397 | |
| 11484 | Marissa 4 | £ 312,726,823 | |
| 11485 | Marissa 5 | £ 238,611,098 | |
| 11486 | Marissa 6 | £ 495,989,312 | |
| 11487 | Marissa 7 | £ 407,172,119 | |
| 11488 | Marissa 8 | £ 425,196,899 | |
| 11489 | Marissa 9 | £ 548,552,830 | |
| 11490 | Marissa Love | £ 220,710,374 | |
| 11491 | Maritime Fish Factory | £ 2,719,055 | |
| 11492 | Mark Chapman | £ 54,086,382 | |
| 11493 | Mark Co | £ 529,484 | |
| 11494 | Market failure | £ 97,086,734 | |
| 11495 | Market Spike | £ 1,374,802 | |
| 11496 | MarketLiquidity | £ 10,169,358 | |
| 11497 | Marks and Spencer | £ 280,848,949 | |
| 11498 | Marley | £ 5,014,024 | |
| 11499 | Marlin inc | £ 1,915,058 | |
| 11500 | Marmalade | £ 202,435,212 | |
