The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 13101 | Malevolence | £ 1,704,444,541 | |
| 13102 | malformed creature | £ 267,031,614 | |
| 13103 | Malice | £ 1,518,758,805 | |
| 13104 | Malicious Intent | £ 55,421,858 | |
| 13105 | Malignant Mutt | £ 55,594,011 | |
| 13106 | Malik Inc. | £ 43,598 | |
| 13107 | Malinois Inc | £ 112,063,766 | |
| 13108 | Malkowitz Industries | £ 303,579,424 | |
| 13109 | Mall | £ 33,937,859 | |
| 13110 | Mallard | £ 47,485,699 | |
| 13111 | Malt Liquor Hulk | £ 113,705,052 | |
| 13112 | Malta | £ 5,500,838 | |
| 13113 | Maltesers | £ 54,432,517 | |
| 13114 | Maltou Avenue | £ 4,176,354 | |
| 13115 | Maluku Inc. | £ 32,601,576 | |
| 13116 | MAMA | £ 10,429,149 | |
| 13117 | Mama Said Knock You Out | £ 239,813,209 | |
| 13118 | mamamiah | £ 7,580,475 | |
| 13119 | mamamiahah | £ 73,270,710 | |
| 13120 | Mambeast Pte Ltd | £ -17,776,530 | |
| 13121 | mami | £ 10,204,605 | |
| 13122 | Mammaries | £ 443,603,860 | |
| 13123 | Mammi | £ 42,251,220 | |
| 13124 | Mammiiah | £ 6,959,891 | |
| 13125 | Mammon | £ 5,509,324 | |
| 13126 | mammoth proportions | £ 503,376,369 | |
| 13127 | mams secret milk | £ 5,504,304 | |
| 13128 | Man | £ 17,801,890 | |
| 13129 | Man 53 | £ 28,656,765 | |
| 13130 | Man Chu | £ 58,613 | |
| 13131 | Man Flu | £ 5,664,188 | |
| 13132 | Man in the Mirror | £ 20,566,211 | |
| 13133 | Man Kind | £ 100,281,734 | |
| 13134 | Man Lab | £ 2,388,802 | |
| 13135 | Man Standing | £ 4,548,455 | |
| 13136 | Mana | £ 199,521 | |
| 13137 | managed | £ 272,908,637 | |
| 13138 | Manaus | £ 257,899,725 | |
| 13139 | ManBearPig | £ 502,877,277 | |
| 13140 | ManChat | £ 24,921,317 | |
| 13141 | Manchester | £ 303,684,849 | |
| 13142 | Manchester City fc | £ 29,318,533 | |
| 13143 | Manchester Mayhem | £ 84,056 | |
| 13144 | manchester united | £ 5,711,474 | |
| 13145 | Manchester United F.C. | £ 5,458,588,216 | |
| 13146 | Manchester United XI | £ 5,357,466 | |
| 13147 | Manchester Unitedfc | £ -1,131,040 | |
| 13148 | Manco Capac | £ 2,037,711,203 | |
| 13149 | Mancunia | £ -32,487 | |
| 13150 | Mancunia 2 | £ 138,386 | |
| 13151 | Mandalay Bay | £ 6,146,133 | |
| 13152 | Mandalore | £ 114,249,627 | |
| 13153 | Mandelbrot Set | £ 588,089,056 | |
| 13154 | mang | £ 2,904,476 | |
| 13155 | manginas | £ 46,000 | |
| 13156 | Mangle Inc | £ 16,870,733 | |
| 13157 | Mango Escapade | £ 115,346,715 | |
| 13158 | Mango incorporated | £ 76,448 | |
| 13159 | Manhattan Project | £ 353,142,469 | |
| 13160 | mania | £ 311,404,918 | |
| 13161 | Maniac | £ 3,451,588 | |
| 13162 | Maniac 2000 | £ 35,849,943 | |
| 13163 | Maniac Express | £ 24,619,316 | |
| 13164 | Manic Miner | £ 81,614,358 | |
| 13165 | Manifest Destiny | £ 1,163,076,847 | |
| 13166 | Manities | £ 59,837,318 | |
| 13167 | Mankind | £ 170,883,979 | |
| 13168 | Mankind Divided | £ 511,833,059 | |
| 13169 | Manly Living | £ 2,808,857 | |
| 13170 | ManManMan | £ 47,858,669 | |
| 13171 | Mann | £ 45,186,624 | |
| 13172 | Mannanin Co | £ 8,845,526 | |
| 13173 | Manners | £ 5,259,968 | |
| 13174 | Manny | £ 1,263,886,299 | |
| 13175 | Mans Best Friend | £ 279,475,422 | |
| 13176 | Mans World | £ 112,143,704 | |
| 13177 | Mansell Industries Ltd. | £ 5,444,121,114 | |
| 13178 | Mansfield Bitter | £ 397,755,385 | |
| 13179 | Manta | £ 7,067,125,870 | |
| 13180 | Manta. | £ 21,707,124 | |
| 13181 | mantis | £ 5,463,181 | |
| 13182 | manu-de-janeiro | £ 12,962,879 | |
| 13183 | manu-upon-avon | £ 106,781,988 | |
| 13184 | manu-upon-avon2 | £ 7,786,748 | |
| 13185 | manu-upon-tyne | £ 12,073,546 | |
| 13186 | Manual Shift | £ 514,808,382 | |
| 13187 | Manwe Sulimo | £ 1,555,092,617 | |
| 13188 | Many | £ 5,464,758 | |
| 13189 | Many acres | £ 529,586,073 | |
| 13190 | many burner comps | £ 774,010,287 | |
| 13191 | many companies | £ 64,173,944 | |
| 13192 | Many Ends | £ 10,771,456 | |
| 13193 | Many Faces | £ 338,494,329 | |
| 13194 | Many Fossil Fuels | £ 55,702,842 | |
| 13195 | Many houses | £ 362,641,942 | |
| 13196 | Many Missiles | £ 266,730,387 | |
| 13197 | Many Monies Corporation | £ 50,000 | |
| 13198 | Many more | £ 62,287,354 | |
| 13199 | Many mushrooms | £ -14,428,318 | |
| 13200 | Many Mysteries | £ 765,679 | |
