The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 11901 | Mark Co | £ 529,484 | |
| 11902 | Market failure | £ 106,837,390 | |
| 11903 | Market Spike | £ 1,374,802 | |
| 11904 | MarketLiquidity | £ 10,169,358 | |
| 11905 | Marks and Spencer | £ 577,843,088 | |
| 11906 | Marley | £ 5,014,024 | |
| 11907 | Marlin inc | £ 1,915,058 | |
| 11908 | Marmalade | £ 488,270,365 | |
| 11909 | Marmara | £ 1,010,339,022 | |
| 11910 | Marraqueta | £ 138,405,177 | |
| 11911 | Marriages | £ 225,537,792 | |
| 11912 | Marrissasempire | £ 1,227,037 | |
| 11913 | Marrows | £ 1,890,267 | |
| 11914 | Marrying The Mafia | £ 532,818 | |
| 11915 | Mars | £ 55,103,707 | |
| 11916 | Mars bars LTD | £ 117,272,299 | |
| 11917 | Mars Colony | £ 773,535 | |
| 11918 | Mars Rover | £ 10,459,384 | |
| 11919 | Mars wont find me | £ 246,116 | |
| 11920 | Marshmallow Inc. | £ 1,700,999 | |
| 11921 | Marshmallow Machetes Inc | £ 4,163,631 | |
| 11922 | Marshmello | £ 155,437,327 | |
| 11923 | marshside | £ 9,867 | |
| 11924 | MarshSkye | £ 35,400 | |
| 11925 | martial world | £ 5,460,382 | |
| 11926 | Martin Luther King Jnr | £ 902,082,927 | |
| 11927 | martini | £ 266,861,163 | |
| 11928 | Marton Institute | £ 83,507,879 | |
| 11929 | Martrel | £ -236,085 | |
| 11930 | Martydom | £ 42,943,748 | |
| 11931 | Martyr Inc | £ 8,895,123 | |
| 11932 | Marvel | £ 25,096,289 | |
| 11933 | Marxism Pte Ltd | £ 32,260,072 | |
| 11934 | Mary | £ 46,301,903 | |
| 11935 | mary celeste | £ 47,276,134 | |
| 11936 | Maryland Inc | £ 1,946,529 | |
| 11937 | MaSaMuNe | £ 454,511,331 | |
| 11938 | Mascots | £ 2,709,237 | |
| 11939 | mashsmashanddaash | £ 178,398 | |
| 11940 | Mask | £ 277,025,659 | |
| 11941 | Mass | £ 612,498,813 | |
| 11942 | Mass Destructi0n | £ -2,791,141 | |
| 11943 | Mass Destruction | £ 208,613,868 | |
| 11944 | Mass Distraction | £ 740,836,641 | |
| 11945 | Mass Extinctions | £ 66,268,150 | |
| 11946 | MaSs HiLiGhTeR | £ 55,491,788 | |
| 11947 | Mass Satisfaction | £ 108,172,069 | |
| 11948 | Massacre | £ 7,955,799 | |
| 11949 | Massage Rev Win | £ 1,080,472,344 | |
| 11950 | Massenet | £ 652,023,276 | |
| 11951 | Massive | £ 83,683,640 | |
| 11952 | Massive Attack | £ 40,160,601 | |
| 11953 | Massive Dong Enterprise | £ 5,754,083 | |
| 11954 | MASSIVE ELECTIONS | £ 16,692,085 | |
| 11955 | Massive Inc | £ 6,334,823 | |
| 11956 | Massively Small Inc. | £ 9,593,656,225 | |
| 11957 | Masta Ace Inc | £ 84,177,720 | |
| 11958 | Mastah Inc. | £ -5,386,656 | |
| 11959 | Master | £ 411,127,543 | |
| 11960 | Master bates | £ 4,767 | |
| 11961 | Master Builders | £ 6,821,399 | |
| 11962 | master molloy2 | £ 3,015,413 | |
| 11963 | Master of Zelda | £ -757,416 | |
| 11964 | Master Splinter | £ 373,713,683 | |
| 11965 | Master Sticker Peelers | £ 256,154 | |
| 11966 | Master Swords and Bows | £ 24,666,107 | |
| 11967 | Mastercard | £ 252,652,100 | |
| 11968 | mastermolloy1 | £ 4,589,292 | |
| 11969 | mastermolloy4 | £ 878,532 | |
| 11970 | Masters | £ 1,224,341,919 | |
| 11971 | mastertkd | £ 156,322,341 | |
| 11972 | Masterton | £ 9,742,506 | |
| 11973 | Mata.inc | £ 13,598,445 | |
| 11974 | Matador Cattle Company | £ 5,024,777 | |
| 11975 | matches | £ 795,209,718 | |
| 11976 | Matches plus Petrol | £ 250,708,917 | |
| 11977 | Matchlock | £ 324,682 | |
| 11978 | Materia | £ 19,046,923 | |
| 11979 | Mathewmatics | £ 6,466,483 | |
| 11980 | Matrix | £ 14,797,169 | |
| 11981 | Matrix Reimbursed | £ 134,369,263 | |
| 11982 | Mats | £ 6,079,772,915 | |
| 11983 | Matt Coprporations | £ 25,939,511 | |
| 11984 | Matt Corp 2 | £ 5,507,664 | |
| 11985 | Matt Lange | £ 171,005,052 | |
| 11986 | Matt Schaub | £ 210,415,111 | |
| 11987 | Matter | £ 811,765,265 | |
| 11988 | matthew martin | £ 11,196,263 | |
| 11989 | Matthews Kiosks | £ 877,790 | |
| 11990 | Mattikins | £ 50,000 | |
| 11991 | MattMurdoch | £ 66,808,737 | |
| 11992 | Matts money | £ 1,189,880 | |
| 11993 | Matts Place | £ 4,023,510 | |
| 11994 | Matty B Inc 7 | £ -331,481 | |
| 11995 | matty mears corporation | £ 7,886,001 | |
| 11996 | matty mears plc | £ 76,777,292 | |
| 11997 | MattyBinc | £ 69,763,618 | |
| 11998 | MattyBinc2 | £ 96,555,685 | |
| 11999 | MattyBinc3 | £ 38,675,838 | |
| 12000 | MattyBinc8 | £ 62,049,472 | |
