The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 13001 | Magic Mountain | £ 72,113,974 | |
| 13002 | Magic Mushrooms | £ 160,108,013 | |
| 13003 | Magic Pie | £ 490,215,342 | |
| 13004 | Magic Rock Garden | £ 88,058,735 | |
| 13005 | Magic Round About | £ 60,232,415 | |
| 13006 | Magic Roundabout | £ 5,733,823 | |
| 13007 | Magic Tricks | £ 166,196,977 | |
| 13008 | Magic Unicorns | £ 5,507,889 | |
| 13009 | Magician | £ 43,263,578 | |
| 13010 | MagicMan LTD | £ 153,858,525 | |
| 13011 | magics | £ 169,700,855 | |
| 13012 | Magik | £ 8,435,088 | |
| 13013 | Magikarp | £ 54,441,892 | |
| 13014 | magma | £ 256,976,687 | |
| 13015 | Magnag Industries | £ 5,423,817 | |
| 13016 | Magnesia | £ 49,545,385 | |
| 13017 | Magnesium | £ -10,504,907 | |
| 13018 | Magneto | £ 45,020,225 | |
| 13019 | Magneto. | £ 91,525,507 | |
| 13020 | Magnets | £ 65,220,184 | |
| 13021 | Magnolia Properties | £ 5,505,968 | |
| 13022 | Magnum P.I. | £ 4,478,573,315 | |
| 13023 | Magnus Global | £ 79,802,258 | |
| 13024 | MagnusCorp | £ 56,468,260 | |
| 13025 | Magoo | £ 17,276,464 | |
| 13026 | Magoos | £ 35,729,833 | |
| 13027 | Magpie | £ 8,507,965 | |
| 13028 | Magrathea | £ 54,106,264 | |
| 13029 | Mags Estate | £ 5,508,790 | |
| 13030 | Mags Ltd | £ 4,552,528 | |
| 13031 | Mags Summer | £ 5,708,628 | |
| 13032 | Mai Kao Jai | £ 38,479,227 | |
| 13033 | Maicibai | £ 47,404,486 | |
| 13034 | Maid | £ 25,627,043 | |
| 13035 | £ 511,837,662 | ||
| 13036 | Main Force Patrol | £ 32,257,237 | |
| 13037 | Maintenance | £ 433,851,422 | |
| 13038 | major proportions | £ 330,952,609 | |
| 13039 | Major Space Crossroutes | £ 167,618,040 | |
| 13040 | Major Suite | £ 17,697 | |
| 13041 | Makaveli | £ 59,162,119 | |
| 13042 | Makaveli II | £ 44,201,619 | |
| 13043 | Make America Great Again | £ 5,508,261 | |
| 13044 | Make Gotham Great | £ 134,979,354 | |
| 13045 | make money | £ 4,810,592 | |
| 13046 | Make Netro Great | £ 3,983,342 | |
| 13047 | make this yet | £ 90,110,795 | |
| 13048 | makeofthis | £ 134,245,142 | |
| 13049 | Maker Inc. | £ 2,239,625 | |
| 13050 | Makes Me Feel Fine | £ 64,773,514 | |
| 13051 | Making America Great | £ 164,451,564 | |
| 13052 | Making Pennies | £ 92,844,685 | |
| 13053 | making so many | £ 85,241,085 | |
| 13054 | Mako | £ 10,829,833 | |
| 13055 | Maks a Muckle | £ 938,220,068 | |
| 13056 | Malak.Co | £ -47,512 | |
| 13057 | Malanka | £ 4,442,961 | |
| 13058 | Malaria | £ 1,959,297 | |
| 13059 | Malawi | £ 178,768,230 | |
| 13060 | Malaysia | £ 59,026,830 | |
| 13061 | MalCo | £ 16,148,870 | |
| 13062 | Malcontent | £ 110,148,082 | |
| 13063 | Malevolence | £ 1,704,444,541 | |
| 13064 | malformed creature | £ 267,031,614 | |
| 13065 | Malice | £ 1,514,970,627 | |
| 13066 | Malicious Intent | £ 55,421,858 | |
| 13067 | Malignant Mutt | £ 55,594,011 | |
| 13068 | Malik Inc. | £ 43,598 | |
| 13069 | Malinois Inc | £ 112,063,766 | |
| 13070 | Malkowitz Industries | £ 303,579,424 | |
| 13071 | Mall | £ 33,937,859 | |
| 13072 | Mallard | £ 47,485,699 | |
| 13073 | Malt Liquor Hulk | £ 113,705,052 | |
| 13074 | Malta | £ 5,500,838 | |
| 13075 | Maltesers | £ 54,432,517 | |
| 13076 | Maltou Avenue | £ 4,176,354 | |
| 13077 | Maluku Inc. | £ 32,601,576 | |
| 13078 | MAMA | £ 10,429,149 | |
| 13079 | Mama Said Knock You Out | £ 239,813,209 | |
| 13080 | mamamiah | £ 7,580,475 | |
| 13081 | mamamiahah | £ 73,270,710 | |
| 13082 | Mambeast Pte Ltd | £ -17,776,530 | |
| 13083 | mami | £ 10,204,605 | |
| 13084 | Mammaries | £ 443,603,860 | |
| 13085 | Mammi | £ 42,251,220 | |
| 13086 | Mammiiah | £ 6,959,891 | |
| 13087 | Mammon | £ 5,509,324 | |
| 13088 | mammoth proportions | £ 503,376,369 | |
| 13089 | mams secret milk | £ 5,504,304 | |
| 13090 | Man | £ 17,801,890 | |
| 13091 | Man 53 | £ 28,656,765 | |
| 13092 | Man Chu | £ 58,613 | |
| 13093 | Man Flu | £ 5,664,188 | |
| 13094 | Man in the Mirror | £ 20,566,211 | |
| 13095 | Man Kind | £ 100,281,734 | |
| 13096 | Man Lab | £ 2,388,802 | |
| 13097 | Mana | £ 199,521 | |
| 13098 | managed | £ 272,908,637 | |
| 13099 | Manaus | £ 257,899,725 | |
| 13100 | ManBearPig | £ 502,877,277 | |
