The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 10301 | MacroHard-1 | £ 5,898,317 | |
| 10302 | MacroPolo Ent | £ 65,640,733 | |
| 10303 | MacroPolo Inc | £ 5,615,949 | |
| 10304 | macs united | £ 170,666 | |
| 10305 | MactheKnife | £ 12,601,969 | |
| 10306 | Macwill | £ 5,259,176 | |
| 10307 | MAD AS HELL | £ 2,349,476 | |
| 10308 | Mad Cow Disease | £ 319,485,262 | |
| 10309 | Mad Dog Coll | £ 85,729,069 | |
| 10310 | Mad Dog Enterprise | £ 32,168,238 | |
| 10311 | Mad Dog Ltd | £ 50,000 | |
| 10312 | Mad Dogg Money | £ 65,796,411 | |
| 10313 | Mad Dogs | £ 57,790,153 | |
| 10314 | Mad Fortunate | £ 50,000 | |
| 10315 | Madd Dogg 2020 | £ 10,742,409 | |
| 10316 | MadDogHoldings | £ 5,043,725 | |
| 10317 | Maddy Moo | £ 115,199,118 | |
| 10318 | Made for rolling on | £ 10,637,450 | |
| 10319 | Made in Brazil | £ 61,550,105 | |
| 10320 | Made in canada | £ 5,496,632 | |
| 10321 | Made in China | £ 60,382,429 | |
| 10322 | Made in India | £ 18,870,885 | |
| 10323 | made it | £ 9,045,642 | |
| 10324 | Madeira Inc | £ 131,914,835 | |
| 10325 | MadHatter | £ -238,315 | |
| 10326 | MadMafia | £ 132,483,479 | |
| 10327 | madman enterprise | £ 2,426,958 | |
| 10328 | madmen | £ 2,133,394,509 | |
| 10329 | Madness | £ 6,736,333 | |
| 10330 | Madness Inc | £ 71,179,360 | |
| 10331 | MadridCo | £ 63,090,434 | |
| 10332 | Maelstrom | £ 74,490 | |
| 10333 | Maes | £ 5,506,699 | |
| 10334 | Maestro Inc | £ 10,020,096 | |
| 10335 | Maestro1 | £ 4,806,635 | |
| 10336 | Maestro3 | £ 50,000 | |
| 10337 | Maezer | £ 85,578,205 | |
| 10338 | MaFFia | £ 134,842,700 | |
| 10339 | Mafia | £ 1,753,185 | |
| 10340 | Mafia Company | £ 30,978,732 | |
| 10341 | Mafia Enterprises | £ 3,573,152 | |
| 10342 | Mafia Inc. | £ 167,187 | |
| 10343 | Mafia Mexicana | £ 265,075,908 | |
| 10344 | Mafia Shipping | £ 5,725,046 | |
| 10345 | Mafioso | £ 63,004,614 | |
| 10346 | mafism | £ 22,493,332 | |
| 10347 | Mag1c | £ 9,025,059 | |
| 10348 | MAGA | £ 149,392,802 | |
| 10349 | Magazine Distributors | £ 37,320,017 | |
| 10350 | Magdalene | £ 1,003,412,911 | |
| 10351 | Magellan of Voyage | £ 5,290,991 | |
| 10352 | Magenta Weed | £ 271,410,952 | |
| 10353 | Maggic7 | £ -443,731 | |
| 10354 | Magic | £ 404,337,098 | |
| 10355 | Magic Carpet | £ 11,874,743 | |
| 10356 | Magic Emporium | £ 103,205,187 | |
| 10357 | Magic Industries | £ -1,643 | |
| 10358 | Magic Monkeyz | £ 8,114,425 | |
| 10359 | Magic Mushrooms | £ 160,108,013 | |
| 10360 | Magic Pie | £ 490,215,342 | |
| 10361 | Magic Rock Garden | £ 88,058,735 | |
| 10362 | Magic Round About | £ 60,232,415 | |
| 10363 | Magic Roundabout | £ 5,733,823 | |
| 10364 | Magic Stars | £ 342,706,618 | |
| 10365 | Magic Unicorns | £ 5,507,889 | |
| 10366 | Magician | £ 43,263,578 | |
| 10367 | magics | £ -12,910,537 | |
| 10368 | Magik | £ 8,435,088 | |
| 10369 | Magikarp | £ 54,441,892 | |
| 10370 | magma | £ 256,976,687 | |
| 10371 | Magnag Industries | £ 5,423,817 | |
| 10372 | Magnesia | £ 658,948,830 | |
| 10373 | Magnolia Properties | £ 5,505,968 | |
| 10374 | Magnum P.I. | £ 4,458,573,315 | |
| 10375 | Magnum Performance | £ 1,406,444 | |
| 10376 | Magnus Global | £ 79,802,258 | |
| 10377 | MagnusCorp | £ 56,468,260 | |
| 10378 | Magoo | £ 17,276,464 | |
| 10379 | Magoos | £ 35,729,833 | |
| 10380 | Magpie | £ 5,500,937 | |
| 10381 | Mags Estate | £ 5,508,790 | |
| 10382 | Mags Ltd | £ 4,552,528 | |
| 10383 | Mags Summer | £ 5,708,628 | |
| 10384 | Mai Kao Jai | £ 38,479,227 | |
| 10385 | Maicibai | £ 47,404,486 | |
| 10386 | Maid | £ 19,422,174 | |
| 10387 | £ 394,687,919 | ||
| 10388 | Main Force Patrol | £ 32,257,237 | |
| 10389 | Maison and Co | £ 2,656,528 | |
| 10390 | Major Suite | £ 17,697 | |
| 10391 | Makaveli | £ 58,705,193 | |
| 10392 | Makaveli II | £ 44,282,772 | |
| 10393 | Make America Great Again | £ 5,508,261 | |
| 10394 | Make Another Move | £ 225,614,005 | |
| 10395 | Make Gotham Great | £ 134,979,354 | |
| 10396 | make money | £ 4,810,592 | |
| 10397 | Make Netro Great | £ 3,983,342 | |
| 10398 | make this yet | £ 48,850,871 | |
| 10399 | makeofthis | £ 134,245,142 | |
| 10400 | maker | £ 6,849,833 | |
