The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 13401 | Maddy Moo | £ 115,199,118 | |
| 13402 | Made a better decision | £ 51,894,350 | |
| 13403 | Made in Brazil | £ 61,550,105 | |
| 13404 | Made in canada | £ 5,496,632 | |
| 13405 | Made in China | £ 60,382,429 | |
| 13406 | Made in India | £ 18,870,885 | |
| 13407 | madeds | £ 95,442 | |
| 13408 | Madeira Inc | £ 131,914,835 | |
| 13409 | MadHatter | £ -238,315 | |
| 13410 | Madison Square Gardens | £ 1,147,165,969 | |
| 13411 | MadMafia | £ 132,483,479 | |
| 13412 | madman enterprise | £ 2,426,958 | |
| 13413 | madmen | £ 2,133,394,509 | |
| 13414 | Madness | £ 6,736,333 | |
| 13415 | Madness Holdings | £ 5,666,430 | |
| 13416 | Madness Inc | £ 71,179,360 | |
| 13417 | MadridCo | £ 63,090,434 | |
| 13418 | Madtax | £ 60,599,818 | |
| 13419 | Maelstrom | £ 74,490 | |
| 13420 | Maes | £ 5,506,699 | |
| 13421 | Maestro Inc | £ 10,020,096 | |
| 13422 | Maestro1 | £ 9,268,941 | |
| 13423 | Maestro3 | £ 50,000 | |
| 13424 | MaFFia | £ 177,042,406 | |
| 13425 | Mafia | £ 1,753,185 | |
| 13426 | Mafia Company | £ 30,978,732 | |
| 13427 | Mafia Enterprises | £ 8,427,838 | |
| 13428 | Mafia Mexicana | £ 579,567,327 | |
| 13429 | mafism | £ 22,493,332 | |
| 13430 | Mag1c | £ 9,025,059 | |
| 13431 | MAGA | £ 149,392,802 | |
| 13432 | Magazine Distributors | £ 37,320,017 | |
| 13433 | Magdalene | £ 1,003,412,911 | |
| 13434 | Magellan of Voyage | £ 5,290,991 | |
| 13435 | Magenta Weed | £ 271,410,952 | |
| 13436 | Maggic7 | £ -443,731 | |
| 13437 | Magic | £ 487,337,098 | |
| 13438 | Magic Carpet | £ 11,874,743 | |
| 13439 | Magic Emporium | £ 103,205,187 | |
| 13440 | Magic Industries | £ -1,643 | |
| 13441 | Magic Mirror | £ 2,172,047 | |
| 13442 | Magic Monkeyz | £ 8,114,425 | |
| 13443 | Magic Mountain | £ 72,113,974 | |
| 13444 | Magic Mushrooms | £ 160,108,013 | |
| 13445 | Magic Pie | £ 490,215,342 | |
| 13446 | Magic Rock Garden | £ 88,058,735 | |
| 13447 | Magic Round About | £ 60,232,415 | |
| 13448 | Magic Roundabout | £ 5,733,823 | |
| 13449 | Magic Roundabout 2 | £ 1,914,392 | |
| 13450 | Magic Tricks | £ 179,279,821 | |
| 13451 | Magic Unicorns | £ 5,507,889 | |
| 13452 | Magician | £ 43,263,578 | |
| 13453 | MagicMan LTD | £ 73,943,677 | |
| 13454 | magics | £ 89,717,576 | |
| 13455 | Magik | £ 8,435,088 | |
| 13456 | Magikarp | £ 54,441,892 | |
| 13457 | magma | £ 256,976,687 | |
| 13458 | Magnag Industries | £ 5,423,817 | |
| 13459 | Magnesia | £ 49,545,385 | |
| 13460 | Magnesium | £ -10,504,907 | |
| 13461 | Magnetic Flux Density | £ 47,503,578 | |
| 13462 | Magneto. | £ 41,525,507 | |
| 13463 | Magnets | £ 37,244,441 | |
| 13464 | Magnolia Properties | £ 5,505,968 | |
| 13465 | Magnum P.I. | £ 4,478,573,315 | |
| 13466 | Magnus | £ 9,742,670 | |
| 13467 | Magnus Global | £ 79,802,258 | |
| 13468 | MagnusCorp | £ 56,468,260 | |
| 13469 | Magoo | £ 17,276,464 | |
| 13470 | Magoos | £ 35,729,833 | |
| 13471 | Magpie | £ 172,943,574 | |
| 13472 | Magrathea | £ 54,106,264 | |
| 13473 | Mags Estate | £ 5,508,790 | |
| 13474 | Mags Ltd | £ 4,552,528 | |
| 13475 | Mags Summer | £ 5,708,628 | |
| 13476 | Mah Na Mah Na | £ 25,630,458 | |
| 13477 | Mai Kao Jai | £ 38,479,227 | |
| 13478 | Maicibai | £ 47,404,486 | |
| 13479 | Maid | £ 155,417,138 | |
| 13480 | £ 551,286,036 | ||
| 13481 | Main | £ 22,937,060 | |
| 13482 | Main Force Patrol | £ 32,257,237 | |
| 13483 | Maintenance | £ 619,311,696 | |
| 13484 | Majic | £ 25,759,014 | |
| 13485 | Majic Mushrooms | £ 54,504,646 | |
| 13486 | major proportions | £ 330,952,609 | |
| 13487 | Major Space Crossroutes | £ 167,618,040 | |
| 13488 | Major Suite | £ 17,697 | |
| 13489 | Major Tom | £ 47,743,324 | |
| 13490 | Make America Great Again | £ 5,508,261 | |
| 13491 | Make Gotham Great | £ 134,979,354 | |
| 13492 | make money | £ 4,810,592 | |
| 13493 | Make Netro Great | £ 3,983,342 | |
| 13494 | make this yet | £ 90,110,795 | |
| 13495 | makeofthis | £ 134,245,142 | |
| 13496 | Maker Inc. | £ 2,239,625 | |
| 13497 | Makes Me Feel Fine | £ 64,773,514 | |
| 13498 | Making America Great | £ 164,451,564 | |
| 13499 | Making Pennies | £ 92,844,685 | |
| 13500 | making so many | £ 85,241,085 | |
