The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 9401 | Macdonald | £ 4,256,539 | |
| 9402 | Macdonalds | £ 61,148,943 | |
| 9403 | MacDoogles | £ 77,153,421 | |
| 9404 | Mace | £ 52,884,411 | |
| 9405 | Macedonia | £ 10,956,617 | |
| 9406 | Machiavellian | £ 43,465,785 | |
| 9407 | Machines | £ 3,782,071 | |
| 9408 | macho | £ -15,473 | |
| 9409 | Machu Picchu | £ 89,150,732 | |
| 9410 | Mack | £ 1,935,886 | |
| 9411 | mackbean | £ 29,057,490 | |
| 9412 | Mackensen | £ 1,985,565 | |
| 9413 | MacPro | £ 56,851,308 | |
| 9414 | MacroHard-1 | £ 3,351,267 | |
| 9415 | MacroPolo Ent | £ 65,640,733 | |
| 9416 | MacroPolo Inc | £ 5,615,949 | |
| 9417 | macs united | £ 170,666 | |
| 9418 | MactheKnife | £ 12,601,969 | |
| 9419 | Macwill | £ 5,259,176 | |
| 9420 | MAD AS HELL | £ 2,349,476 | |
| 9421 | Mad Dog Enterprise | £ 32,168,238 | |
| 9422 | Mad Dog Ltd | £ 50,000 | |
| 9423 | Mad Dogg Money | £ 65,796,411 | |
| 9424 | Mad Dogs | £ 57,790,153 | |
| 9425 | Mad Fortunate | £ 50,000 | |
| 9426 | Madd Dogg 2020 | £ 10,742,409 | |
| 9427 | MadDogHoldings | £ 13,553,898 | |
| 9428 | Maddy Moo | £ 115,199,118 | |
| 9429 | Made for rolling on | £ 10,637,450 | |
| 9430 | Made in Brazil | £ 61,550,105 | |
| 9431 | Made in canada | £ 5,496,632 | |
| 9432 | Made in China | £ 60,382,429 | |
| 9433 | Made in India | £ 18,870,885 | |
| 9434 | made it | £ 9,045,642 | |
| 9435 | Madeira Inc | £ 131,914,835 | |
| 9436 | MadHatter | £ -238,315 | |
| 9437 | MadMafia | £ 132,483,479 | |
| 9438 | madman enterprise | £ 2,426,958 | |
| 9439 | madmen | £ 511,752,710 | |
| 9440 | Madness | £ 6,736,333 | |
| 9441 | Madness Inc | £ 71,179,360 | |
| 9442 | MadridCo | £ 63,090,434 | |
| 9443 | Maelstrom | £ 74,490 | |
| 9444 | Maes | £ 5,506,699 | |
| 9445 | Maestro Inc | £ 10,020,096 | |
| 9446 | Maestro1 | £ 4,806,635 | |
| 9447 | Maestro3 | £ 50,000 | |
| 9448 | Maezer | £ 85,578,205 | |
| 9449 | MaFFia | £ 98,246,249 | |
| 9450 | Mafia | £ 1,753,185 | |
| 9451 | Mafia Company | £ 30,978,732 | |
| 9452 | Mafia Enterprises | £ 3,573,152 | |
| 9453 | Mafia Inc. | £ 167,187 | |
| 9454 | Mafia Mexicana | £ 265,075,908 | |
| 9455 | Mafia Shipping | £ 5,725,046 | |
| 9456 | Mafioso | £ 56,430,577 | |
| 9457 | mafism | £ 22,493,332 | |
| 9458 | Mag1c | £ 9,025,059 | |
| 9459 | Magazine Distributors | £ 37,320,017 | |
| 9460 | Magdalene | £ 1,003,412,911 | |
| 9461 | Magellan of Voyage | £ 5,290,991 | |
| 9462 | Magenta Weed | £ 224,990,418 | |
| 9463 | Maggic7 | £ -443,731 | |
| 9464 | Magic | £ 291,999,475 | |
| 9465 | Magic Carpet | £ 11,874,743 | |
| 9466 | Magic Emporium | £ 103,205,187 | |
| 9467 | Magic Industries | £ -1,643 | |
| 9468 | Magic Monkeyz | £ 8,114,425 | |
| 9469 | Magic Mushrooms | £ 160,108,013 | |
| 9470 | Magic Pie | £ 490,215,342 | |
| 9471 | Magic Rock Garden | £ 88,058,735 | |
| 9472 | Magic Round About | £ 60,232,415 | |
| 9473 | Magic Roundabout | £ 5,733,823 | |
| 9474 | Magic Stars | £ 173,127,270 | |
| 9475 | Magic Unicorns | £ 5,507,889 | |
| 9476 | Magician | £ 43,263,578 | |
| 9477 | magics | £ -12,910,537 | |
| 9478 | Magikarp | £ 54,441,892 | |
| 9479 | magma | £ 253,976,687 | |
| 9480 | Magnag Industries | £ 5,423,817 | |
| 9481 | Magnesia | £ 459,322,810 | |
| 9482 | Magnolia Properties | £ 5,505,968 | |
| 9483 | Magnum P.I. | £ 3,255,573,315 | |
| 9484 | Magnum Performance | £ 1,406,444 | |
| 9485 | Magnus Global | £ 79,802,258 | |
| 9486 | MagnusCorp | £ 56,468,260 | |
| 9487 | Magoo | £ 17,276,464 | |
| 9488 | Magoos | £ 35,729,833 | |
| 9489 | Magpie | £ 5,500,937 | |
| 9490 | Mags Estate | £ 5,508,790 | |
| 9491 | Mags Ltd | £ 4,552,528 | |
| 9492 | Mags Summer | £ 5,708,628 | |
| 9493 | Mai Kao Jai | £ 38,479,227 | |
| 9494 | Maicibai | £ 47,404,486 | |
| 9495 | Maid | £ 19,422,174 | |
| 9496 | £ 217,863,749 | ||
| 9497 | Main Force Patrol | £ 32,257,237 | |
| 9498 | Maison and Co | £ 2,656,528 | |
| 9499 | Major Suite | £ 17,697 | |
| 9500 | Makaveli | £ 54,448,813 | |
