The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 12501 | Maps | £ 50,948,975 | |
| 12502 | Mar MB | £ 59,938,508 | |
| 12503 | Mara Salvatrucha | £ 732,815,570 | |
| 12504 | Marathon | £ 59,899,042 | |
| 12505 | Marathon Runner | £ 58,033,010 | |
| 12506 | Marauders Inc | £ 4,803,396 | |
| 12507 | Marbles | £ 336,923,960 | |
| 12508 | Marc Enterprises | £ 25,832,788 | |
| 12509 | Marcandmoles5 | £ 4,486,455 | |
| 12510 | March | £ 6,102,999 | |
| 12511 | March Equinox | £ 4,332,872 | |
| 12512 | Marching-Affair | £ 9,711,202,901 | |
| 12513 | Marching-Again | £ 1,729,189,416 | |
| 12514 | Marco Inc | £ 12,220,734 | |
| 12515 | Marco Marketing | £ 350,613,978 | |
| 12516 | Marco Simoncelli | £ 1,001,318,886 | |
| 12517 | Marcome Inc | £ -205,648 | |
| 12518 | Marcomm Inc | £ 5,254,390 | |
| 12519 | Mare Nubium | £ 169,810,294 | |
| 12520 | Mareals Beneficence | £ 10,471,098 | |
| 12521 | Margaret Thatcher | £ 63,413,613 | |
| 12522 | marge | £ 5,671,351 | |
| 12523 | Marges | £ 978,012,084 | |
| 12524 | Maria Vistablo | £ 84,899,720 | |
| 12525 | Marian | £ 10,841,138,789 | |
| 12526 | Mariana Trench | £ 1,291,728,206 | |
| 12527 | Marianas Trench | £ 265,826,285 | |
| 12528 | Marijuana | £ 139,330,510 | |
| 12529 | Marillion | £ 76,821,908 | |
| 12530 | Marilyn Monroe | £ 161,294,441 | |
| 12531 | Mario | £ 148,719,211 | |
| 12532 | Mario Bros. Plumbing | £ 21,346,748 | |
| 12533 | Mario Brothers Plumbing | £ 2,229,001 | |
| 12534 | Marion Morrison | £ 127,909,303 | |
| 12535 | Mariqueen | £ 39,777,531 | |
| 12536 | Maritime Fish Factory | £ 2,719,055 | |
| 12537 | Mark Chapman | £ 54,086,382 | |
| 12538 | Mark Co | £ 529,484 | |
| 12539 | Market failure | £ 395,568,250 | |
| 12540 | Market Spike | £ 1,374,802 | |
| 12541 | MarketLiquidity | £ 10,169,358 | |
| 12542 | Marks and Spencer | £ 1,082,181,480 | |
| 12543 | Marley | £ 5,014,024 | |
| 12544 | Marlin inc | £ 1,915,058 | |
| 12545 | Marmalade | £ 1,032,294,322 | |
| 12546 | Marmara | £ 1,010,339,022 | |
| 12547 | Marmite | £ 192,554,630 | |
| 12548 | Marra Corp | £ 8,319,560 | |
| 12549 | Marraqueta | £ 138,405,177 | |
| 12550 | Marriages | £ 225,537,792 | |
| 12551 | Marrissasempire | £ 1,227,037 | |
| 12552 | Mars | £ 55,103,707 | |
| 12553 | Mars bars LTD | £ 117,272,299 | |
| 12554 | Mars Colony | £ 773,535 | |
| 12555 | Mars Rover | £ 10,459,384 | |
| 12556 | Mars wont find me | £ 246,116 | |
| 12557 | Marshmallow Machetes Inc | £ 4,163,631 | |
| 12558 | marshside | £ 9,867 | |
| 12559 | MarshSkye | £ 35,400 | |
| 12560 | martial world | £ 56,063,804 | |
| 12561 | Martin Luther King Jnr | £ 902,082,927 | |
| 12562 | Marton Institute | £ 83,507,879 | |
| 12563 | Martrel | £ -236,085 | |
| 12564 | Martyr Inc | £ 8,895,123 | |
| 12565 | Marvel | £ 25,096,289 | |
| 12566 | marvo | £ 50,000 | |
| 12567 | Marxism Pte Ltd | £ 37,626,617 | |
| 12568 | Mary | £ 46,301,903 | |
| 12569 | Mary Jane | £ 1,048,106,114 | |
| 12570 | Maryland Inc | £ 1,946,529 | |
| 12571 | MaSaMuNe | £ 445,377,407 | |
| 12572 | Mascots | £ 2,709,237 | |
| 12573 | Mashed Inc. | £ 4,353,950 | |
| 12574 | mashsmashanddaash | £ 178,398 | |
| 12575 | Mass | £ 612,498,813 | |
| 12576 | Mass Destructi0n | £ -2,791,141 | |
| 12577 | Mass Destruction | £ 208,613,868 | |
| 12578 | Mass Distraction | £ 1,240,618,290 | |
| 12579 | Mass Extinctions | £ 66,619,491 | |
| 12580 | MaSs HiLiGhTeR | £ 55,491,788 | |
| 12581 | Mass Satisfaction | £ 108,172,069 | |
| 12582 | Massacre | £ 7,955,799 | |
| 12583 | Massage Rev Win | £ 1,080,472,344 | |
| 12584 | Massenet | £ 652,023,276 | |
| 12585 | Massive | £ 83,683,640 | |
| 12586 | Massive Attack | £ 40,160,601 | |
| 12587 | Massive Dong Enterprise | £ 5,754,083 | |
| 12588 | MASSIVE ELECTIONS | £ 16,692,085 | |
| 12589 | Massive Inc | £ 6,334,823 | |
| 12590 | Masta Ace Inc | £ 84,177,720 | |
| 12591 | Mastah Holdings | £ 5,504,546 | |
| 12592 | Master bates | £ 4,767 | |
| 12593 | Master Builders | £ 6,821,399 | |
| 12594 | master molloy2 | £ 3,015,413 | |
| 12595 | Master of Zelda | £ -757,416 | |
| 12596 | Master Splinter | £ 462,884,484 | |
| 12597 | Master Sticker Peelers | £ 256,154 | |
| 12598 | Master Swords and Bows | £ 24,666,107 | |
| 12599 | mastermolloy1 | £ 4,589,292 | |
| 12600 | mastermolloy4 | £ 878,532 | |
