The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 13601 | Mad Dog Enterprise | £ 32,168,238 | |
| 13602 | Mad Dog Ltd | £ 50,000 | |
| 13603 | Mad Dogg Money | £ 65,796,411 | |
| 13604 | Mad Dogs | £ 57,790,153 | |
| 13605 | Mad Fortunate | £ 50,000 | |
| 13606 | madamada | £ 233,630 | |
| 13607 | Madd Dogg 2020 | £ 10,742,409 | |
| 13608 | MadDogHoldings | £ 5,043,725 | |
| 13609 | Maddy Moo | £ 115,199,118 | |
| 13610 | Made a better decision | £ 51,894,350 | |
| 13611 | Made in Brazil | £ 61,550,105 | |
| 13612 | Made in canada | £ 5,496,632 | |
| 13613 | Made in China | £ 60,382,429 | |
| 13614 | Made in India | £ 18,870,885 | |
| 13615 | madeds | £ 95,442 | |
| 13616 | Madeira Inc | £ 131,914,835 | |
| 13617 | MadHatter | £ -238,315 | |
| 13618 | Madison Square Gardens | £ 1,148,393,729 | |
| 13619 | MadMafia | £ 132,483,479 | |
| 13620 | madman enterprise | £ 2,426,958 | |
| 13621 | madmen | £ 2,133,394,509 | |
| 13622 | Madness | £ 6,736,333 | |
| 13623 | Madness Holdings | £ 6,130,507 | |
| 13624 | Madness Inc | £ 71,179,360 | |
| 13625 | MadridCo | £ 63,090,434 | |
| 13626 | Madtax | £ 60,599,818 | |
| 13627 | Maelstrom | £ 74,490 | |
| 13628 | Maes | £ 5,506,699 | |
| 13629 | Maestro Inc | £ 10,020,096 | |
| 13630 | Maestro1 | £ 9,268,941 | |
| 13631 | Maestro3 | £ 50,000 | |
| 13632 | MaFFia | £ 139,118,349 | |
| 13633 | Mafia | £ 1,753,185 | |
| 13634 | Mafia Company | £ 30,978,732 | |
| 13635 | Mafia Enterprises | £ 8,427,838 | |
| 13636 | Mafia Mexicana | £ 576,834,791 | |
| 13637 | mafism | £ 22,493,332 | |
| 13638 | Mag1c | £ 9,025,059 | |
| 13639 | MAGA | £ 149,392,802 | |
| 13640 | Magazine Distributors | £ 37,320,017 | |
| 13641 | Magdalene | £ 1,003,412,911 | |
| 13642 | Magellan of Voyage | £ 5,290,991 | |
| 13643 | Magenta Weed | £ 271,410,952 | |
| 13644 | Maggic7 | £ -443,731 | |
| 13645 | Magic | £ 487,337,098 | |
| 13646 | Magic Carpet | £ 11,874,743 | |
| 13647 | Magic Emporium | £ 103,205,187 | |
| 13648 | Magic Industries | £ -1,643 | |
| 13649 | Magic Mirror | £ 2,172,047 | |
| 13650 | Magic Monkeyz | £ 8,114,425 | |
| 13651 | Magic Mountain | £ 72,113,974 | |
| 13652 | Magic Mushrooms | £ 160,108,013 | |
| 13653 | Magic Pie | £ 490,215,342 | |
| 13654 | Magic Rock Garden | £ 88,058,735 | |
| 13655 | Magic Round About | £ 60,232,415 | |
| 13656 | Magic Roundabout | £ 5,733,823 | |
| 13657 | Magic Tricks | £ 168,353,022 | |
| 13658 | Magic Unicorns | £ 5,507,889 | |
| 13659 | Magician | £ 43,263,578 | |
| 13660 | MagicMan LTD | £ 65,262,827 | |
| 13661 | magics | £ 89,717,576 | |
| 13662 | Magik | £ 8,435,088 | |
| 13663 | Magikarp | £ 54,441,892 | |
| 13664 | magma | £ 256,976,687 | |
| 13665 | Magnag Industries | £ 5,423,817 | |
| 13666 | Magnesia | £ 49,545,385 | |
| 13667 | Magnesium | £ -10,504,907 | |
| 13668 | Magnetic Flux Density | £ 21,735,884 | |
| 13669 | Magneto. | £ 41,525,507 | |
| 13670 | Magnets | £ 53,924,197 | |
| 13671 | Magnolia Properties | £ 5,505,968 | |
| 13672 | Magnum P.I. | £ 4,478,573,315 | |
| 13673 | Magnus Global | £ 79,802,258 | |
| 13674 | MagnusCorp | £ 56,468,260 | |
| 13675 | Magoo | £ 17,276,464 | |
| 13676 | Magoos | £ 35,729,833 | |
| 13677 | Magpie | £ 129,525,582 | |
| 13678 | Magrathea | £ 54,106,264 | |
| 13679 | Mags Estate | £ 5,508,790 | |
| 13680 | Mags Ltd | £ 4,552,528 | |
| 13681 | Mags Summer | £ 5,708,628 | |
| 13682 | Mah Na Mah Na | £ 2,608,104 | |
| 13683 | Mai Kao Jai | £ 38,479,227 | |
| 13684 | Maicibai | £ 47,404,486 | |
| 13685 | Maid | £ 155,417,138 | |
| 13686 | £ 546,173,879 | ||
| 13687 | Main | £ 47,917,433 | |
| 13688 | Main Force Patrol | £ 32,257,237 | |
| 13689 | Maintenance | £ 571,311,696 | |
| 13690 | Majic | £ 20,301,691 | |
| 13691 | Majic Mushrooms | £ 41,504,646 | |
| 13692 | major proportions | £ 330,952,609 | |
| 13693 | Major Space Crossroutes | £ 167,618,040 | |
| 13694 | Major Suite | £ 17,697 | |
| 13695 | Major Tom | £ 49,162,369 | |
| 13696 | Make America Great Again | £ 5,508,261 | |
| 13697 | Make Gotham Great | £ 134,979,354 | |
| 13698 | make money | £ 4,810,592 | |
| 13699 | Make Netro Great | £ 3,983,342 | |
| 13700 | make this yet | £ 90,110,795 | |
