The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 10401 | Mareals Beneficence | £ 5,020,666 | |
| 10402 | Margam | £ 581,332 | |
| 10403 | Margaret Thatcher | £ 63,413,613 | |
| 10404 | Marges | £ 978,012,084 | |
| 10405 | Marian | £ 10,573,634,305 | |
| 10406 | Marianas Trench | £ 362,432,595 | |
| 10407 | Marijuana | £ 139,330,510 | |
| 10408 | Marik Stelele | £ 1,645,091 | |
| 10409 | Marine Drive | £ 513,719,873 | |
| 10410 | Mario | £ 148,719,211 | |
| 10411 | Mario Bros. Plumbing | £ 21,346,748 | |
| 10412 | Marissa | £ 1,378,328,809 | |
| 10413 | Marissa 2 | £ 524,757,169 | |
| 10414 | Marissa 3 | £ 667,967,397 | |
| 10415 | Marissa 4 | £ 312,726,823 | |
| 10416 | Marissa 5 | £ 238,611,098 | |
| 10417 | Marissa 6 | £ 495,989,312 | |
| 10418 | Marissa 7 | £ 407,172,119 | |
| 10419 | Marissa 8 | £ 425,196,899 | |
| 10420 | Marissa 9 | £ 548,552,830 | |
| 10421 | Marissa Love | £ 220,710,374 | |
| 10422 | Maritime Fish Factory | £ 2,719,055 | |
| 10423 | Mark Chapman | £ 54,086,382 | |
| 10424 | Mark Co | £ 529,484 | |
| 10425 | Market Spike | £ 1,374,802 | |
| 10426 | MarketLiquidity | £ 10,169,358 | |
| 10427 | Marley | £ 5,014,024 | |
| 10428 | Marlin inc | £ 1,915,058 | |
| 10429 | Marmara | £ 1,010,339,022 | |
| 10430 | Marraqueta | £ 138,405,177 | |
| 10431 | Marriages | £ 225,537,792 | |
| 10432 | Marrissasempire | £ 1,227,037 | |
| 10433 | Marrying The Mafia | £ 532,818 | |
| 10434 | Mars | £ 55,103,707 | |
| 10435 | Mars bars LTD | £ 117,272,299 | |
| 10436 | Mars Colony | £ 593,256 | |
| 10437 | Mars Rover | £ 10,459,384 | |
| 10438 | Mars wont find me | £ 246,116 | |
| 10439 | Marshmallow Machetes Inc | £ 4,163,631 | |
| 10440 | Marshmello | £ 155,437,327 | |
| 10441 | MarshSkye | £ 35,400 | |
| 10442 | Martin Luther King Jnr | £ 902,082,927 | |
| 10443 | martini | £ 266,861,163 | |
| 10444 | Marton Institute | £ 83,507,879 | |
| 10445 | Martydom | £ 42,943,748 | |
| 10446 | Martyr Inc | £ 8,895,123 | |
| 10447 | Marvel | £ 8,186,565 | |
| 10448 | Marxism Pte Ltd | £ 32,260,072 | |
| 10449 | Mary | £ 46,301,903 | |
| 10450 | mary celeste | £ 47,276,134 | |
| 10451 | Maryland Inc | £ 1,946,529 | |
| 10452 | MaSaMuNe | £ 416,549,396 | |
| 10453 | Mascots | £ 2,709,237 | |
| 10454 | mashsmashanddaash | £ 178,398 | |
| 10455 | Mask | £ 277,025,659 | |
| 10456 | Mass | £ 612,498,813 | |
| 10457 | Mass Destructi0n | £ -2,791,141 | |
| 10458 | Mass Destruction | £ 208,613,868 | |
| 10459 | Mass Distraction | £ 740,836,641 | |
| 10460 | Mass Extinctions | £ 151,887,470 | |
| 10461 | MaSs HiLiGhTeR | £ 55,491,788 | |
| 10462 | Mass Satisfaction | £ 108,172,069 | |
| 10463 | Massacre | £ 7,955,799 | |
| 10464 | Massage Rev Win | £ 1,080,472,344 | |
| 10465 | Massenet | £ 652,023,276 | |
| 10466 | Massive | £ 83,683,640 | |
| 10467 | Massive Attack | £ 40,160,601 | |
| 10468 | Massive Dong Enterprise | £ 5,754,083 | |
| 10469 | MASSIVE ELECTIONS | £ 16,692,085 | |
| 10470 | Massive Inc | £ 6,334,823 | |
| 10471 | Massively Small Inc. | £ 3,106,646,297 | |
| 10472 | Masta Ace Inc | £ 84,177,720 | |
| 10473 | Mastah Inc. | £ -5,386,656 | |
| 10474 | Master | £ 411,127,543 | |
| 10475 | Master Builders | £ 6,821,399 | |
| 10476 | master molloy2 | £ 3,015,413 | |
| 10477 | Master of Zelda | £ -757,416 | |
| 10478 | Master Sticker Peelers | £ 256,154 | |
| 10479 | Master Swords and Bows | £ 24,666,107 | |
| 10480 | Mastercard | £ 252,652,100 | |
| 10481 | mastermolloy1 | £ 4,589,292 | |
| 10482 | mastermolloy4 | £ 878,532 | |
| 10483 | mastertkd | £ 156,322,341 | |
| 10484 | Masterton | £ 9,742,506 | |
| 10485 | Mata.inc | £ 13,598,445 | |
| 10486 | Matador Cattle Company | £ 5,024,777 | |
| 10487 | matches | £ 795,209,718 | |
| 10488 | Matches plus Petrol | £ 241,528,578 | |
| 10489 | Matchlock | £ 324,682 | |
| 10490 | Materia | £ 19,046,923 | |
| 10491 | Mathewmatics | £ 6,466,483 | |
| 10492 | Matrix | £ 14,797,169 | |
| 10493 | Matrix Reimbursed | £ 134,369,263 | |
| 10494 | Mats | £ 6,079,772,915 | |
| 10495 | Matt Coprporations | £ 25,939,511 | |
| 10496 | Matt Corp 2 | £ 5,507,664 | |
| 10497 | Matt Lange | £ 171,005,052 | |
| 10498 | Matt Schaub | £ 210,415,111 | |
| 10499 | Matter | £ 130,594,764 | |
| 10500 | Matthews Kiosks | £ 877,790 | |
