The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 11501 | Mango incorporated | £ 76,448 | |
| 11502 | Manhattan Project | £ 279,369,758 | |
| 11503 | mania | £ 311,404,918 | |
| 11504 | Maniac Express | £ 24,619,316 | |
| 11505 | Manic Miner | £ 81,614,358 | |
| 11506 | Manifestation | £ 80,836,471 | |
| 11507 | Manities | £ 59,837,318 | |
| 11508 | Mankind | £ 170,883,979 | |
| 11509 | Manly Living | £ 2,808,857 | |
| 11510 | ManManMan | £ 38,206,350 | |
| 11511 | Mannanin Co | £ 8,845,526 | |
| 11512 | Manny | £ 576,929,005 | |
| 11513 | Mans Best Friend | £ 279,475,422 | |
| 11514 | Mans World | £ 103,865,359 | |
| 11515 | Mansell Industries Ltd. | £ 3,129,084,017 | |
| 11516 | Mansfield Bitter | £ 397,755,385 | |
| 11517 | Manta | £ 7,067,125,870 | |
| 11518 | Manta. | £ 21,707,124 | |
| 11519 | mantis | £ 5,463,181 | |
| 11520 | Manu upon avon | £ 1,056,762 | |
| 11521 | manu-de-janeiro | £ 12,962,879 | |
| 11522 | manu-upon-avon | £ 106,781,988 | |
| 11523 | manu-upon-avon2 | £ 7,786,748 | |
| 11524 | manu-upon-tyne | £ 12,073,546 | |
| 11525 | Manual Shift | £ 514,808,382 | |
| 11526 | Manwe Sulimo | £ 332,102,190 | |
| 11527 | Many | £ 5,464,758 | |
| 11528 | Many acres | £ 521,974,837 | |
| 11529 | many companies | £ 64,173,944 | |
| 11530 | Many Ends | £ 10,771,456 | |
| 11531 | Many Faces | £ 982,412,955 | |
| 11532 | Many Fossil Fuels | £ 55,702,842 | |
| 11533 | Many houses | £ 357,182,784 | |
| 11534 | Many Missiles | £ 194,838,117 | |
| 11535 | Many Monies Corporation | £ 50,000 | |
| 11536 | Many more | £ 62,287,354 | |
| 11537 | Many mushrooms | £ -14,428,318 | |
| 11538 | Many Mysteries | £ 765,679 | |
| 11539 | Many Names | £ 1,331,103 | |
| 11540 | many numbers | £ 43,995,214 | |
| 11541 | Many Talents | £ 5,504,706 | |
| 11542 | Many Women | £ 4,358,376 | |
| 11543 | Many Years | £ 380,300 | |
| 11544 | Manytimesusedpubbucket | £ 5,530,466 | |
| 11545 | Mao Tse-Tung | £ 1,683,433,348 | |
| 11546 | Mao Tsu Tsung | £ -1,713,345 | |
| 11547 | Maolina | £ 6,447,323 | |
| 11548 | Maose BV | £ 46,741 | |
| 11549 | Maosim | £ 62,212,646 | |
| 11550 | Map Flateners | £ 66,340,384 | |
| 11551 | Maple Leaf | £ 9,272,710 | |
| 11552 | Maple Syrup | £ 53,276,118 | |
| 11553 | Maple Syrup Monsters | £ 5,683,586 | |
| 11554 | MapleGrove | £ 483,977 | |
| 11555 | Mapleton Corp | £ 4,561,154 | |
| 11556 | MapleTree | £ 95,287,088 | |
| 11557 | Mapple | £ 7,653,759 | |
| 11558 | Maps | £ 5,503,263 | |
| 11559 | Mar | £ 4,075,882,351 | |
| 11560 | Mar MB | £ 59,938,508 | |
| 11561 | Mara Salvatrucha | £ 440,730,837 | |
| 11562 | Marathon | £ 59,899,042 | |
| 11563 | Marathon Runner | £ 58,033,010 | |
| 11564 | Marauders Inc | £ 4,803,396 | |
| 11565 | Marbles | £ 242,173,960 | |
| 11566 | Marc Enterprises | £ 25,832,788 | |
| 11567 | Marcandmoles5 | £ 4,486,455 | |
| 11568 | March | £ 6,102,999 | |
| 11569 | Marching-Affair | £ 9,701,603,338 | |
| 11570 | Marching-Again | £ 1,729,189,416 | |
| 11571 | Marco Inc | £ 12,220,734 | |
| 11572 | Marco Marketing | £ 350,613,978 | |
| 11573 | Marco Pierre White | £ 45,711,831 | |
| 11574 | Marco Simoncelli | £ 440,501,595 | |
| 11575 | Marcome Inc | £ -205,648 | |
| 11576 | Marcomm Inc | £ 5,254,390 | |
| 11577 | Marcus corp | £ 2,161,927 | |
| 11578 | Mare Nubium | £ 1,205,484 | |
| 11579 | Mareals Beneficence | £ 10,471,098 | |
| 11580 | Margam | £ 581,332 | |
| 11581 | Margaret Thatcher | £ 63,413,613 | |
| 11582 | Marges | £ 978,012,084 | |
| 11583 | Marian | £ 10,841,138,789 | |
| 11584 | Marianas Trench | £ 362,582,082 | |
| 11585 | Marijuana | £ 139,330,510 | |
| 11586 | Marijuana Laws | £ 267,035,631 | |
| 11587 | Marik Stelele | £ 1,645,091 | |
| 11588 | Marine Drive | £ 601,212,432 | |
| 11589 | Mario | £ 148,719,211 | |
| 11590 | Mario Bros. Plumbing | £ 21,346,748 | |
| 11591 | Marion Morrison | £ 42,384,590 | |
| 11592 | Marissa | £ 1,378,328,809 | |
| 11593 | Marissa 2 | £ 524,757,169 | |
| 11594 | Marissa 3 | £ 667,967,397 | |
| 11595 | Marissa 4 | £ 312,726,823 | |
| 11596 | Marissa 5 | £ 238,611,098 | |
| 11597 | Marissa 6 | £ 495,989,312 | |
| 11598 | Marissa 7 | £ 407,172,119 | |
| 11599 | Marissa 8 | £ 425,196,899 | |
| 11600 | Marissa 9 | £ 548,552,830 | |
