The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 10301 | Mar | £ 3,166,311,646 | |
| 10302 | Mar MB | £ 59,938,508 | |
| 10303 | Mara Salvatrucha | £ 440,730,837 | |
| 10304 | Marathon | £ 59,899,042 | |
| 10305 | Marathon Runner | £ 58,033,010 | |
| 10306 | Marauders Inc | £ 4,803,396 | |
| 10307 | Marbles | £ 124,952,284 | |
| 10308 | Marc Enterprises | £ 25,832,788 | |
| 10309 | Marcandmoles5 | £ 4,486,455 | |
| 10310 | March | £ 6,102,999 | |
| 10311 | Marching-Affair | £ 9,699,984,492 | |
| 10312 | Marching-Again | £ 1,714,171,140 | |
| 10313 | Marco Inc | £ 7,330,897 | |
| 10314 | Marco Pierre White | £ 45,711,831 | |
| 10315 | Marco Simoncelli | £ 332,528,540 | |
| 10316 | Marcome Inc | £ -205,648 | |
| 10317 | Marcomm Inc | £ 5,254,390 | |
| 10318 | Mareals Beneficence | £ 5,020,666 | |
| 10319 | Margam | £ 581,332 | |
| 10320 | Margaret Thatcher | £ 63,413,613 | |
| 10321 | Marges | £ 978,012,084 | |
| 10322 | Marian | £ 9,861,431,147 | |
| 10323 | Marianas Trench | £ 362,432,595 | |
| 10324 | Marijuana | £ 139,330,510 | |
| 10325 | Marik Stelele | £ 1,645,091 | |
| 10326 | Marine Drive | £ 513,719,873 | |
| 10327 | Mario | £ 148,719,211 | |
| 10328 | Mario Bros. Plumbing | £ 21,346,748 | |
| 10329 | Marissa | £ 1,378,328,809 | |
| 10330 | Marissa 2 | £ 524,757,169 | |
| 10331 | Marissa 3 | £ 667,967,397 | |
| 10332 | Marissa 4 | £ 312,726,823 | |
| 10333 | Marissa 5 | £ 238,611,098 | |
| 10334 | Marissa 6 | £ 495,989,312 | |
| 10335 | Marissa 7 | £ 407,172,119 | |
| 10336 | Marissa 8 | £ 425,196,899 | |
| 10337 | Marissa 9 | £ 548,552,830 | |
| 10338 | Marissa Love | £ 220,710,374 | |
| 10339 | Maritime Fish Factory | £ 2,719,055 | |
| 10340 | Mark Chapman | £ 54,086,382 | |
| 10341 | Mark Co | £ 529,484 | |
| 10342 | Market Spike | £ 1,374,802 | |
| 10343 | MarketLiquidity | £ 10,169,358 | |
| 10344 | Marley | £ 5,014,024 | |
| 10345 | Marlin inc | £ 1,915,058 | |
| 10346 | Marmara | £ 1,010,339,022 | |
| 10347 | Marraqueta | £ 138,005,754 | |
| 10348 | Marriages | £ 225,537,792 | |
| 10349 | Marrissasempire | £ 1,227,037 | |
| 10350 | Marrying The Mafia | £ 532,818 | |
| 10351 | Mars | £ 55,103,707 | |
| 10352 | Mars bars LTD | £ 117,272,299 | |
| 10353 | Mars Colony | £ 593,256 | |
| 10354 | Mars Rover | £ 10,459,384 | |
| 10355 | Mars wont find me | £ 246,116 | |
| 10356 | Marshmallow Machetes Inc | £ 4,163,631 | |
| 10357 | Marshmello | £ 155,437,327 | |
| 10358 | MarshSkye | £ 35,400 | |
| 10359 | Martin Luther King Jnr | £ 902,082,927 | |
| 10360 | martini | £ 266,861,163 | |
| 10361 | Marton Institute | £ 83,507,879 | |
| 10362 | Martydom | £ 42,943,748 | |
| 10363 | Martyr Inc | £ 8,895,123 | |
| 10364 | Marvel | £ 8,186,565 | |
| 10365 | Marxism Pte Ltd | £ 32,260,072 | |
| 10366 | Mary | £ 46,301,903 | |
| 10367 | mary celeste | £ 47,276,134 | |
| 10368 | Maryland Inc | £ 1,946,529 | |
| 10369 | MaSaMuNe | £ 407,549,396 | |
| 10370 | Mascots | £ 2,709,237 | |
| 10371 | mashsmashanddaash | £ 178,398 | |
| 10372 | Mask | £ 277,025,659 | |
| 10373 | Mass | £ 612,498,813 | |
| 10374 | Mass Destructi0n | £ -2,791,141 | |
| 10375 | Mass Destruction | £ 208,613,868 | |
| 10376 | Mass Distraction | £ 740,836,641 | |
| 10377 | Mass Extinctions | £ 151,887,470 | |
| 10378 | MaSs HiLiGhTeR | £ 55,491,788 | |
| 10379 | Mass Satisfaction | £ 108,172,069 | |
| 10380 | Massacre | £ 7,955,799 | |
| 10381 | Massage Rev Win | £ 1,080,472,344 | |
| 10382 | Massenet | £ 652,023,276 | |
| 10383 | Massive | £ 83,683,640 | |
| 10384 | Massive Attack | £ 40,160,601 | |
| 10385 | Massive Dong Enterprise | £ 5,754,083 | |
| 10386 | MASSIVE ELECTIONS | £ 16,692,085 | |
| 10387 | Massive Inc | £ 6,334,823 | |
| 10388 | Massively Small Inc. | £ 1,938,235,894 | |
| 10389 | Masta Ace Inc | £ 84,177,720 | |
| 10390 | Mastah Inc. | £ -5,386,656 | |
| 10391 | Master | £ 411,127,543 | |
| 10392 | Master Builders | £ 6,821,399 | |
| 10393 | master molloy2 | £ 3,015,413 | |
| 10394 | Master of Zelda | £ -757,416 | |
| 10395 | Master Sticker Peelers | £ 256,154 | |
| 10396 | Master Swords and Bows | £ 24,666,107 | |
| 10397 | Mastercard | £ 252,652,100 | |
| 10398 | mastermolloy1 | £ 4,589,292 | |
| 10399 | mastermolloy4 | £ 878,532 | |
| 10400 | mastertkd | £ 156,322,341 | |
