The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 10301 | Mafioso | £ 63,004,614 | |
| 10302 | mafism | £ 22,493,332 | |
| 10303 | Mag1c | £ 9,025,059 | |
| 10304 | MAGA | £ 156,413,508 | |
| 10305 | Magazine Distributors | £ 37,320,017 | |
| 10306 | Magdalene | £ 1,003,412,911 | |
| 10307 | Magellan of Voyage | £ 5,290,991 | |
| 10308 | Magenta Weed | £ 271,410,952 | |
| 10309 | Maggic7 | £ -443,731 | |
| 10310 | Magic | £ 404,337,098 | |
| 10311 | Magic Carpet | £ 11,874,743 | |
| 10312 | Magic Emporium | £ 103,205,187 | |
| 10313 | Magic Industries | £ -1,643 | |
| 10314 | Magic Monkeyz | £ 8,114,425 | |
| 10315 | Magic Mushrooms | £ 160,108,013 | |
| 10316 | Magic Pie | £ 490,215,342 | |
| 10317 | Magic Rock Garden | £ 88,058,735 | |
| 10318 | Magic Round About | £ 60,232,415 | |
| 10319 | Magic Roundabout | £ 5,733,823 | |
| 10320 | Magic Stars | £ 308,139,844 | |
| 10321 | Magic Unicorns | £ 5,507,889 | |
| 10322 | Magician | £ 43,263,578 | |
| 10323 | magics | £ -12,910,537 | |
| 10324 | Magik | £ 8,435,088 | |
| 10325 | Magikarp | £ 54,441,892 | |
| 10326 | magma | £ 256,976,687 | |
| 10327 | Magnag Industries | £ 5,423,817 | |
| 10328 | Magnesia | £ 658,948,830 | |
| 10329 | Magnolia Properties | £ 5,505,968 | |
| 10330 | Magnum P.I. | £ 4,458,573,315 | |
| 10331 | Magnum Performance | £ 1,406,444 | |
| 10332 | Magnus Global | £ 79,802,258 | |
| 10333 | MagnusCorp | £ 56,468,260 | |
| 10334 | Magoo | £ 17,276,464 | |
| 10335 | Magoos | £ 35,729,833 | |
| 10336 | Magpie | £ 5,500,937 | |
| 10337 | Mags Estate | £ 5,508,790 | |
| 10338 | Mags Ltd | £ 4,552,528 | |
| 10339 | Mags Summer | £ 5,708,628 | |
| 10340 | Mai Kao Jai | £ 38,479,227 | |
| 10341 | Maicibai | £ 47,404,486 | |
| 10342 | Maid | £ 19,422,174 | |
| 10343 | £ 394,687,919 | ||
| 10344 | Main Force Patrol | £ 32,257,237 | |
| 10345 | Maison and Co | £ 2,656,528 | |
| 10346 | Major Suite | £ 17,697 | |
| 10347 | Makaveli | £ 54,448,813 | |
| 10348 | Makaveli II | £ 44,417,952 | |
| 10349 | Make America Great Again | £ 5,508,261 | |
| 10350 | Make Another Move | £ 225,614,005 | |
| 10351 | Make Gotham Great | £ 134,979,354 | |
| 10352 | make money | £ 4,810,592 | |
| 10353 | Make Netro Great | £ 3,983,342 | |
| 10354 | make this yet | £ 48,850,871 | |
| 10355 | makeofthis | £ 129,169,713 | |
| 10356 | maker | £ 6,849,833 | |
| 10357 | Maker Inc. | £ 2,239,625 | |
| 10358 | Makes Me Feel Fine | £ 64,773,514 | |
| 10359 | Making America Great | £ 164,451,564 | |
| 10360 | Making Pennies | £ 92,844,685 | |
| 10361 | Mako | £ 7,379,065 | |
| 10362 | Maks a Muckle | £ 938,220,068 | |
| 10363 | Malak.Co | £ -47,512 | |
| 10364 | Malaria | £ 1,959,297 | |
| 10365 | Malawi | £ 178,768,230 | |
| 10366 | Malaysia | £ 59,026,830 | |
| 10367 | Malaysia Jet Lost | £ 965,177 | |
| 10368 | MalCo | £ 16,148,870 | |
| 10369 | Malcontent | £ 110,148,082 | |
| 10370 | malformed creature | £ 226,729,818 | |
| 10371 | Malice | £ 887,214,156 | |
| 10372 | Malicious Intent | £ 55,421,858 | |
| 10373 | Malik Inc. | £ 43,598 | |
| 10374 | Malkowitz Industries | £ 303,579,424 | |
| 10375 | Mall | £ 33,937,859 | |
| 10376 | Mallard | £ 47,485,699 | |
| 10377 | Malt Liquor Hulk | £ 127,349,648 | |
| 10378 | Malta | £ 5,500,838 | |
| 10379 | Maltesers | £ 54,432,517 | |
| 10380 | Maluku Inc. | £ 32,601,576 | |
| 10381 | MAMA | £ 10,429,149 | |
| 10382 | Mama Said Knock You Out | £ 206,270,452 | |
| 10383 | mamamiah | £ 7,580,475 | |
| 10384 | mamamiahah | £ 73,270,710 | |
| 10385 | Mambeast Pte Ltd | £ -17,776,530 | |
| 10386 | mami | £ 10,204,605 | |
| 10387 | Mammaries | £ 443,603,860 | |
| 10388 | Mammi | £ 42,251,220 | |
| 10389 | Mammiiah | £ 6,959,891 | |
| 10390 | Mammon | £ 5,509,324 | |
| 10391 | mammoth proportions | £ 503,376,369 | |
| 10392 | mams secret milk | £ 5,504,304 | |
| 10393 | Man | £ 15,615,588 | |
| 10394 | Man 53 | £ 28,656,765 | |
| 10395 | Man Chu | £ 58,613 | |
| 10396 | Man Flu | £ 5,664,188 | |
| 10397 | Man in the Mirror | £ 20,566,211 | |
| 10398 | Man Kind | £ 100,281,734 | |
| 10399 | Man Lab | £ 2,388,802 | |
| 10400 | Man of Steel | £ 306,562,022 | |
