The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 13101 | Melbourne | £ 419,554,023 | |
| 13102 | Melissa | £ 1,881,255,957 | |
| 13103 | Mellonballs | £ 9,882 | |
| 13104 | Mellons | £ 11,146 | |
| 13105 | Melodic Minor | £ 38,491,832 | |
| 13106 | Melting Apples | £ 53,274,340 | |
| 13107 | Melvin Capital | £ 16,421,242 | |
| 13108 | Members Only | £ 3,896,168 | |
| 13109 | Memo Re Foam | £ 163,951,375 | |
| 13110 | Memoria | £ 82,597,593 | |
| 13111 | Memories of Things | £ 453,039,961 | |
| 13112 | Memorize | £ 69,073,122 | |
| 13113 | Memory | £ 8,338,774 | |
| 13114 | memory lane | £ 127,812,549 | |
| 13115 | Men | £ 51,105,006 | |
| 13116 | Men In Black | £ 15,048,355 | |
| 13117 | men of mayhem | £ 5,110,741 | |
| 13118 | Menace | £ 120,290,215 | |
| 13119 | Mend | £ 28,443,353 | |
| 13120 | Mendozas | £ 10,155,704 | |
| 13121 | Menial Duties | £ 13,587,228 | |
| 13122 | Mensa | £ 30,678,192 | |
| 13123 | Mental | £ 18,517,755 | |
| 13124 | Mental corp | £ 50,000 | |
| 13125 | Mental Depression | £ 221,209 | |
| 13126 | Mental Disease | £ 619,169,867 | |
| 13127 | Meow Meow Corporation | £ 9,692,122 | |
| 13128 | Meowmeows | £ 6,546,378 | |
| 13129 | Mephisto | £ 230,844,295 | |
| 13130 | Mercedes | £ 333,388,191 | |
| 13131 | Mercedes Benz | £ 13,561,258 | |
| 13132 | Mercedes-Benz | £ 76,226,179 | |
| 13133 | Mercedes-Benz. | £ 7,214,777 | |
| 13134 | MercedesAMG Petronas F1 | £ 54,084,993 | |
| 13135 | Mercenaries | £ 1,427,822,080 | |
| 13136 | Mercenaries R Us | £ 119,524,890 | |
| 13137 | Merchiston | £ 79,224,604 | |
| 13138 | Merciful | £ 60,300,861 | |
| 13139 | Merck and Co Inc | £ 55,000,000 | |
| 13140 | Mercurial Holdings | £ 1,149,718,991 | |
| 13141 | Mercury | £ 83,833,529 | |
| 13142 | Mercy | £ 349,349,131 | |
| 13143 | Mercy Mercy Mercy | £ 12,805,991 | |
| 13144 | Merged Worlds | £ 179,290,627 | |
| 13145 | Mergers and acquisitions | £ 415,446,555 | |
| 13146 | Mergers and Monopolies | £ 1,018,838,100 | |
| 13147 | Merica | £ 56,698,378 | |
| 13148 | Meridian Marauders | £ 57,459,247 | |
| 13149 | Meritocracy | £ 60,558,755 | |
| 13150 | Merlendari | £ 34,644 | |
| 13151 | Merles Anarchsts | £ 3,733,376 | |
| 13152 | Merlin | £ 231,521,531 | |
| 13153 | merlin co.uk | £ 606,042,643 | |
| 13154 | Meropenem | £ 6,421,790 | |
| 13155 | merple | £ 65,319,084 | |
| 13156 | Mess | £ 149,138,524 | |
| 13157 | Messy | £ 1,228,094 | |
| 13158 | MET | £ 20,898,349 | |
| 13159 | Meta | £ 477,383,347 | |
| 13160 | Metal | £ 939,126,424 | |
| 13161 | Metal Church | £ 55,040,228 | |
| 13162 | Metal Gear | £ 7,948,377 | |
| 13163 | metal mulisha | £ 49,071,127 | |
| 13164 | METAL MULISHA CO | £ 13,264,672 | |
| 13165 | Metal Redneck | £ 13,953,424 | |
| 13166 | metal redneck co | £ 5,500,897 | |
| 13167 | Metalcore.Ind | £ 5,882,041 | |
| 13168 | Metalit | £ 1,398,496 | |
| 13169 | Metallica | £ 38,420,056 | |
| 13170 | MetallicLatice | £ 273,061 | |
| 13171 | Metantatopy | £ 306,149,463 | |
| 13172 | Metaphorisms | £ 1,413,232,768 | |
| 13173 | Metathoric Chocolates | £ 5,505,012 | |
| 13174 | Meteor | £ 5,109,252 | |
| 13175 | Meteor Shower | £ 891,977,507 | |
| 13176 | Meth | £ 83,666,830 | |
| 13177 | Meth Inq | £ 192,418 | |
| 13178 | methadrine inc. | £ -2,620,751 | |
| 13179 | methane | £ 167,580,714 | |
| 13180 | Method Not Allowed | £ 201,866,729 | |
| 13181 | Methuselah | £ 1,235,104,585 | |
| 13182 | metime | £ 7,016,004 | |
| 13183 | Metnutroplis | £ 43,000,007 | |
| 13184 | Metrics | £ 5,534,939 | |
| 13185 | Metro Boomin | £ 261,219,019 | |
| 13186 | Metro bucks | £ 127,208,808 | |
| 13187 | Metro News | £ 1,186,988 | |
| 13188 | Metrocity | £ 154,496,934 | |
| 13189 | MetroMan | £ 2,205,870 | |
| 13190 | Mew | £ -125,749 | |
| 13191 | MewMew | £ 3,983,504 | |
| 13192 | Mewtwo | £ 194,154 | |
| 13193 | Mexican Elf-Fellaters | £ 380,836 | |
| 13194 | Mexico | £ 143,099,228 | |
| 13195 | MexImAChild | £ 1,503,591 | |
| 13196 | Mezago | £ 69,801,067 | |
| 13197 | MFI | £ 240,018,814 | |
| 13198 | MFP | £ 383,916,891 | |
| 13199 | MG metal | £ 83,272,537 | |
| 13200 | MGandH | £ 5,503,263 | |
