The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 11301 | maccas | £ 16,781,956 | |
| 11302 | MacDon | £ 4,936,950 | |
| 11303 | Macdonald | £ 4,256,539 | |
| 11304 | Macdonalds | £ 61,148,943 | |
| 11305 | MacDoogles | £ 77,153,421 | |
| 11306 | Mace | £ 52,884,411 | |
| 11307 | Macedonia | £ 10,956,617 | |
| 11308 | Macenas | £ 2,989,821 | |
| 11309 | Machiavellian | £ 43,465,785 | |
| 11310 | Machines | £ 3,782,071 | |
| 11311 | macho | £ -15,473 | |
| 11312 | Macho Man Randy Savage | £ 315,130,822 | |
| 11313 | Machu Picchu | £ 89,150,732 | |
| 11314 | Mack | £ 1,935,886 | |
| 11315 | mackbean | £ 29,057,490 | |
| 11316 | Mackensen | £ 1,985,565 | |
| 11317 | Macks Autos | £ 1,581,544 | |
| 11318 | macoroni monopolies | £ 489,943 | |
| 11319 | MacPro | £ 60,967,224 | |
| 11320 | MacroHard-1 | £ 5,898,317 | |
| 11321 | MacroPolo Ent | £ 114,889,566 | |
| 11322 | MacroPolo Inc | £ 59,339,741 | |
| 11323 | macs united | £ 170,666 | |
| 11324 | MactheKnife | £ 12,601,969 | |
| 11325 | Macwill | £ 5,259,176 | |
| 11326 | macwill2285 | £ 9,334,215 | |
| 11327 | MAD AS HELL | £ 2,349,476 | |
| 11328 | Mad Cow Disease | £ 295,778,232 | |
| 11329 | Mad Dog Coll | £ 49,944,040 | |
| 11330 | Mad Dog Enterprise | £ 32,168,238 | |
| 11331 | Mad Dog Ltd | £ 50,000 | |
| 11332 | Mad Dogg Money | £ 65,796,411 | |
| 11333 | Mad Dogs | £ 57,790,153 | |
| 11334 | Mad Fortunate | £ 50,000 | |
| 11335 | Madd Dogg 2020 | £ 10,742,409 | |
| 11336 | MadDogHoldings | £ 5,043,725 | |
| 11337 | Maddy Moo | £ 115,199,118 | |
| 11338 | Made for rolling on | £ 10,637,450 | |
| 11339 | Made in Brazil | £ 61,550,105 | |
| 11340 | Made in canada | £ 5,496,632 | |
| 11341 | Made in China | £ 60,382,429 | |
| 11342 | Made in India | £ 18,870,885 | |
| 11343 | made it | £ 9,045,642 | |
| 11344 | madeds | £ 95,442 | |
| 11345 | Madeira Inc | £ 131,914,835 | |
| 11346 | MadHatter | £ -238,315 | |
| 11347 | Madison Square Gardens | £ 245,036,647 | |
| 11348 | MadMafia | £ 132,483,479 | |
| 11349 | madman enterprise | £ 2,426,958 | |
| 11350 | madmen | £ 2,133,394,509 | |
| 11351 | Madness | £ 6,736,333 | |
| 11352 | Madness Inc | £ 71,179,360 | |
| 11353 | MadridCo | £ 63,090,434 | |
| 11354 | Madtax | £ 10,424,287 | |
| 11355 | Maelstrom | £ 74,490 | |
| 11356 | Maes | £ 5,506,699 | |
| 11357 | Maestro Inc | £ 10,020,096 | |
| 11358 | Maestro1 | £ 4,806,635 | |
| 11359 | Maestro3 | £ 50,000 | |
| 11360 | Maezer | £ 85,578,205 | |
| 11361 | MaFFia | £ 127,931,706 | |
| 11362 | Mafia | £ 1,753,185 | |
| 11363 | Mafia Company | £ 30,978,732 | |
| 11364 | Mafia Enterprises | £ 3,573,152 | |
| 11365 | Mafia Inc. | £ 167,187 | |
| 11366 | Mafia Mexicana | £ 265,075,908 | |
| 11367 | Mafioso | £ 63,004,614 | |
| 11368 | mafism | £ 22,493,332 | |
| 11369 | Mag1c | £ 9,025,059 | |
| 11370 | MAGA | £ 149,392,802 | |
| 11371 | Magazine Distributors | £ 37,320,017 | |
| 11372 | Magdalene | £ 1,003,412,911 | |
| 11373 | Magellan of Voyage | £ 5,290,991 | |
| 11374 | Magenta Weed | £ 271,410,952 | |
| 11375 | Maggic7 | £ -443,731 | |
| 11376 | Magic | £ 404,337,098 | |
| 11377 | Magic Carpet | £ 11,874,743 | |
| 11378 | Magic Emporium | £ 103,205,187 | |
| 11379 | Magic Industries | £ -1,643 | |
| 11380 | Magic Mirror | £ 2,172,047 | |
| 11381 | Magic Monkeyz | £ 8,114,425 | |
| 11382 | Magic Mountain | £ 46,913,608 | |
| 11383 | Magic Mushrooms | £ 160,108,013 | |
| 11384 | Magic Pie | £ 490,215,342 | |
| 11385 | Magic Rock Garden | £ 88,058,735 | |
| 11386 | Magic Round About | £ 60,232,415 | |
| 11387 | Magic Roundabout | £ 5,733,823 | |
| 11388 | Magic Stars | £ 95,200,834 | |
| 11389 | Magic Unicorns | £ 5,507,889 | |
| 11390 | Magician | £ 43,263,578 | |
| 11391 | magics | £ 9,148,464 | |
| 11392 | Magik | £ 8,435,088 | |
| 11393 | Magikarp | £ 54,441,892 | |
| 11394 | magma | £ 256,976,687 | |
| 11395 | Magnag Industries | £ 5,423,817 | |
| 11396 | Magnesia | £ 628,017,084 | |
| 11397 | Magnolia Properties | £ 5,505,968 | |
| 11398 | Magnum P.I. | £ 4,478,573,315 | |
| 11399 | Magnum Performance | £ 1,406,444 | |
| 11400 | Magnus Global | £ 79,802,258 | |
