The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 12601 | Marijuana | £ 139,330,510 | |
| 12602 | Marillion | £ 1,203,227,900 | |
| 12603 | Marilyn Manson | £ 58,422,474 | |
| 12604 | Marilyn Monroe | £ 188,133,564 | |
| 12605 | Mario | £ 148,719,211 | |
| 12606 | Mario Bros. Plumbing | £ 126,461,150 | |
| 12607 | Mario Brothers Plumbing | £ 5,252,769 | |
| 12608 | Marion Morrison | £ 127,909,303 | |
| 12609 | Maritime Fish Factory | £ 2,719,055 | |
| 12610 | mark | £ 238,166,556 | |
| 12611 | Mark Chapman | £ 54,086,382 | |
| 12612 | Mark Co | £ 529,484 | |
| 12613 | Mark Zuckerberg Pte Ltd | £ 2,191,400,288 | |
| 12614 | market | £ 145,647,933 | |
| 12615 | Market failure | £ 439,419,357 | |
| 12616 | Market Spike | £ 1,374,802 | |
| 12617 | MarketLiquidity | £ 10,169,358 | |
| 12618 | Marks and Spencer | £ 1,241,712,093 | |
| 12619 | Marley | £ 5,014,024 | |
| 12620 | Marlin inc | £ 1,915,058 | |
| 12621 | Marmalade | £ 1,271,947,391 | |
| 12622 | Marmara | £ 1,010,339,022 | |
| 12623 | Marmite | £ 192,554,630 | |
| 12624 | Maroon Gears | £ 29,902,431 | |
| 12625 | Marra Corp | £ 8,319,560 | |
| 12626 | Marraqueta | £ 138,405,177 | |
| 12627 | Marriages | £ 225,537,792 | |
| 12628 | Marrissasempire | £ 1,227,037 | |
| 12629 | Mars | £ 55,103,707 | |
| 12630 | Mars bars LTD | £ 117,272,299 | |
| 12631 | Mars Colony | £ 773,535 | |
| 12632 | Mars Rover | £ 10,459,384 | |
| 12633 | Marshmallow Machetes Inc | £ 4,163,631 | |
| 12634 | Martial God Asura | £ 13,320,898 | |
| 12635 | martial god asura. | £ 38,581,912 | |
| 12636 | martial world | £ 267,047,971 | |
| 12637 | martial world. | £ 9,437,422 | |
| 12638 | Martin Luther King Jnr | £ 902,082,927 | |
| 12639 | Marton Institute | £ 83,507,879 | |
| 12640 | Martyr Inc | £ 8,895,123 | |
| 12641 | Marvel | £ 25,096,289 | |
| 12642 | Marxism Pte Ltd | £ 37,626,617 | |
| 12643 | Mary | £ 46,301,903 | |
| 12644 | Mary Jane | £ 345,769,099 | |
| 12645 | Maryland | £ 99,970,463 | |
| 12646 | Maryland Inc | £ 1,946,529 | |
| 12647 | MaSaMuNe | £ 524,965,016 | |
| 12648 | Mascots | £ 2,709,237 | |
| 12649 | Maserati | £ 12,715,500 | |
| 12650 | Mashed Inc. | £ 4,353,950 | |
| 12651 | Mass | £ 612,498,813 | |
| 12652 | Mass Crime | £ 13,034,342 | |
| 12653 | Mass Destruction | £ 208,613,868 | |
| 12654 | Mass Distraction | £ 1,291,462,007 | |
| 12655 | Mass Effect | £ 88,537,146 | |
| 12656 | Mass Extinctions | £ 409,812,159 | |
| 12657 | MaSs HiLiGhTeR | £ 55,491,788 | |
| 12658 | Mass Satisfaction | £ 108,172,069 | |
| 12659 | Massachusetts | £ 192,878,371 | |
| 12660 | Massacre | £ 7,955,799 | |
| 12661 | Massacre Rocks | £ 123,690,779 | |
| 12662 | Massage Rev Win | £ 1,080,472,344 | |
| 12663 | Massenet | £ 652,023,276 | |
| 12664 | Massive | £ 83,683,640 | |
| 12665 | Massive Attack | £ 40,160,601 | |
| 12666 | Massive Debt | £ 209,734,802 | |
| 12667 | Massive Dong Enterprise | £ 5,754,083 | |
| 12668 | MASSIVE ELECTIONS | £ 16,692,085 | |
| 12669 | Massive Inc | £ 6,334,823 | |
| 12670 | Masta Ace Inc | £ 84,177,720 | |
| 12671 | Mastah Holdings | £ 5,504,546 | |
| 12672 | Master Builders | £ 6,821,399 | |
| 12673 | master molloy2 | £ 3,015,413 | |
| 12674 | Master Splinter | £ 462,884,484 | |
| 12675 | Master Sticker Peelers | £ 5,706,681 | |
| 12676 | Master Swords and Bows | £ 428,987,131 | |
| 12677 | Masterbuilt | £ 552,143,649 | |
| 12678 | Masterchef Australia | £ 3,797,866 | |
| 12679 | mastermolloy1 | £ 4,589,292 | |
| 12680 | mastermolloy4 | £ 878,532 | |
| 12681 | mastertkd | £ 156,322,341 | |
| 12682 | Masterton | £ 9,742,506 | |
| 12683 | Mata.inc | £ 13,598,445 | |
| 12684 | Matador Cattle Company | £ 5,024,777 | |
| 12685 | matches | £ 795,209,718 | |
| 12686 | Matches plus Petrol | £ 250,708,917 | |
| 12687 | Matchstick Men | £ 49,555,217 | |
| 12688 | Materia | £ 22,518,194 | |
| 12689 | Materials | £ 5,293,904 | |
| 12690 | Mathewmatics | £ 6,466,483 | |
| 12691 | Matrix Industries | £ 30,899,641 | |
| 12692 | Matrix Reimbursed | £ 134,369,263 | |
| 12693 | Mats | £ 6,079,772,915 | |
| 12694 | Matt | £ 1,904,054 | |
| 12695 | Matt Coprporations | £ 25,939,511 | |
| 12696 | Matt Corp 2 | £ 5,507,664 | |
| 12697 | Matt Schaub | £ 210,415,111 | |
| 12698 | matthew martin | £ 11,196,263 | |
| 12699 | Matthews Kiosks | £ 877,790 | |
| 12700 | MattMurdoch | £ 66,808,737 | |
