The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 10001 | Mallard | £ 47,485,699 | |
| 10002 | Malt Liquor Hulk | £ 110,615,055 | |
| 10003 | Malta | £ 5,500,838 | |
| 10004 | Maltesers | £ 54,432,517 | |
| 10005 | Maluku Inc. | £ 32,601,576 | |
| 10006 | MAMA | £ 10,429,149 | |
| 10007 | Mama Said Knock You Out | £ 22,190,580 | |
| 10008 | mamamiah | £ 7,580,475 | |
| 10009 | mamamiahah | £ 73,270,710 | |
| 10010 | Mambeast Pte Ltd | £ -17,776,530 | |
| 10011 | mami | £ 10,204,605 | |
| 10012 | Mammaries | £ 443,603,860 | |
| 10013 | Mammi | £ 42,251,220 | |
| 10014 | Mammiiah | £ 6,959,891 | |
| 10015 | Mammon | £ 5,509,324 | |
| 10016 | mammoth proportions | £ 503,376,369 | |
| 10017 | mams secret milk | £ 5,504,304 | |
| 10018 | Man | £ 15,615,588 | |
| 10019 | Man 53 | £ 28,656,765 | |
| 10020 | Man Chu | £ 58,613 | |
| 10021 | Man Flu | £ 5,664,188 | |
| 10022 | Man in the Mirror | £ 20,566,211 | |
| 10023 | Man Kind | £ 100,281,734 | |
| 10024 | Man Lab | £ 2,388,802 | |
| 10025 | Man of Steel | £ 306,562,022 | |
| 10026 | Mana | £ 199,521 | |
| 10027 | Manaus | £ 257,899,725 | |
| 10028 | ManBearPig | £ 502,877,277 | |
| 10029 | ManChat | £ 24,921,317 | |
| 10030 | Manchester | £ 150,100,751 | |
| 10031 | Manchester Mayhem | £ 84,056 | |
| 10032 | manchester united | £ 5,711,474 | |
| 10033 | Manchester United XI | £ 5,357,466 | |
| 10034 | Manco Capac | £ 2,031,711,203 | |
| 10035 | Mancunia | £ -32,487 | |
| 10036 | Mancunia 2 | £ 138,386 | |
| 10037 | Mandalay Bay | £ 6,146,133 | |
| 10038 | Mandelbrot Set | £ 317,179,042 | |
| 10039 | mang | £ 2,904,476 | |
| 10040 | manginas | £ 46,000 | |
| 10041 | Mangle Inc | £ 16,870,733 | |
| 10042 | Mango Escapade | £ 62,454,265 | |
| 10043 | Mango incorporated | £ 76,448 | |
| 10044 | mania | £ 311,404,918 | |
| 10045 | Maniac Express | £ 24,619,316 | |
| 10046 | Manic Miner | £ 81,614,358 | |
| 10047 | Manities | £ 55,292,484 | |
| 10048 | Mankind | £ 170,883,979 | |
| 10049 | Manly Living | £ 2,808,857 | |
| 10050 | ManManMan | £ 38,206,350 | |
| 10051 | Mannanin Co | £ 8,845,526 | |
| 10052 | Mans Best Friend | £ 275,694,600 | |
| 10053 | Mans World | £ 103,865,359 | |
| 10054 | Mansell Industries Ltd. | £ 2,299,922,271 | |
| 10055 | Mansfield Bitter | £ 397,755,385 | |
| 10056 | Manta | £ 7,067,125,870 | |
| 10057 | Manta. | £ 21,707,124 | |
| 10058 | mantis | £ 5,463,181 | |
| 10059 | Manu upon avon | £ 1,056,762 | |
| 10060 | manu-de-janeiro | £ 12,962,879 | |
| 10061 | manu-upon-avon | £ 106,781,988 | |
| 10062 | manu-upon-avon2 | £ 7,786,748 | |
| 10063 | manu-upon-tyne | £ 12,073,546 | |
| 10064 | Manual Shift | £ 514,808,382 | |
| 10065 | Many | £ 5,464,758 | |
| 10066 | Many acres | £ 259,145,131 | |
| 10067 | many companies | £ 64,173,944 | |
| 10068 | Many Ends | £ 10,771,456 | |
| 10069 | Many Fossil Fuels | £ 55,702,842 | |
| 10070 | Many houses | £ 250,654,700 | |
| 10071 | Many Monies Corporation | £ 50,000 | |
| 10072 | Many more | £ 62,287,354 | |
| 10073 | Many mushrooms | £ -14,428,318 | |
| 10074 | Many Mysteries | £ 765,679 | |
| 10075 | many numbers | £ 43,995,214 | |
| 10076 | Many Years | £ 380,300 | |
| 10077 | Manytimesusedpubbucket | £ 5,530,466 | |
| 10078 | Maolina | £ 6,447,323 | |
| 10079 | Maose BV | £ 46,741 | |
| 10080 | Maosim | £ 62,212,646 | |
| 10081 | Map Flateners | £ 66,340,384 | |
| 10082 | Maple Leaf | £ 9,272,710 | |
| 10083 | Maple Syrup | £ 53,276,118 | |
| 10084 | Maple Syrup Monsters | £ 5,683,586 | |
| 10085 | MapleGrove | £ 483,977 | |
| 10086 | Mapleton Corp | £ 4,561,154 | |
| 10087 | MapleTree | £ 95,287,088 | |
| 10088 | Mapple | £ 7,653,759 | |
| 10089 | Mar | £ 3,166,311,646 | |
| 10090 | Mara Salvatrucha | £ 440,730,837 | |
| 10091 | Marathon | £ 59,899,042 | |
| 10092 | Marathon Runner | £ 58,033,010 | |
| 10093 | Marauders Inc | £ 4,803,396 | |
| 10094 | Marc Enterprises | £ 25,832,788 | |
| 10095 | Marcandmoles5 | £ 4,486,455 | |
| 10096 | March | £ 6,102,999 | |
| 10097 | Marching-Affair | £ 9,165,495,359 | |
| 10098 | Marching-Again | £ 1,397,352,072 | |
| 10099 | Marco Inc | £ 7,330,897 | |
| 10100 | Marco Pierre White | £ 35,729,843 | |
