The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 10201 | Mafia Shipping | £ 5,725,046 | |
| 10202 | Mafioso | £ 63,004,614 | |
| 10203 | mafism | £ 22,493,332 | |
| 10204 | Mag1c | £ 9,025,059 | |
| 10205 | MAGA | £ 156,443,562 | |
| 10206 | Magazine Distributors | £ 37,320,017 | |
| 10207 | Magdalene | £ 1,003,412,911 | |
| 10208 | Magellan of Voyage | £ 5,290,991 | |
| 10209 | Magenta Weed | £ 271,410,952 | |
| 10210 | Maggic7 | £ -443,731 | |
| 10211 | Magic | £ 398,266,867 | |
| 10212 | Magic Carpet | £ 11,874,743 | |
| 10213 | Magic Emporium | £ 103,205,187 | |
| 10214 | Magic Industries | £ -1,643 | |
| 10215 | Magic Monkeyz | £ 8,114,425 | |
| 10216 | Magic Mushrooms | £ 160,108,013 | |
| 10217 | Magic Pie | £ 490,215,342 | |
| 10218 | Magic Rock Garden | £ 88,058,735 | |
| 10219 | Magic Round About | £ 60,232,415 | |
| 10220 | Magic Roundabout | £ 5,733,823 | |
| 10221 | Magic Stars | £ 242,507,309 | |
| 10222 | Magic Unicorns | £ 5,507,889 | |
| 10223 | Magician | £ 43,263,578 | |
| 10224 | magics | £ -12,910,537 | |
| 10225 | Magik | £ 8,435,088 | |
| 10226 | Magikarp | £ 54,441,892 | |
| 10227 | magma | £ 256,976,687 | |
| 10228 | Magnag Industries | £ 5,423,817 | |
| 10229 | Magnesia | £ 658,948,830 | |
| 10230 | Magnolia Properties | £ 5,505,968 | |
| 10231 | Magnum P.I. | £ 4,209,573,315 | |
| 10232 | Magnum Performance | £ 1,406,444 | |
| 10233 | Magnus Global | £ 79,802,258 | |
| 10234 | MagnusCorp | £ 56,468,260 | |
| 10235 | Magoo | £ 17,276,464 | |
| 10236 | Magoos | £ 35,729,833 | |
| 10237 | Magpie | £ 5,500,937 | |
| 10238 | Mags Estate | £ 5,508,790 | |
| 10239 | Mags Ltd | £ 4,552,528 | |
| 10240 | Mags Summer | £ 5,708,628 | |
| 10241 | Mai Kao Jai | £ 38,479,227 | |
| 10242 | Maicibai | £ 47,404,486 | |
| 10243 | Maid | £ 19,422,174 | |
| 10244 | £ 391,770,757 | ||
| 10245 | Main Force Patrol | £ 32,257,237 | |
| 10246 | Maison and Co | £ 2,656,528 | |
| 10247 | Major Suite | £ 17,697 | |
| 10248 | Makaveli | £ 54,448,813 | |
| 10249 | Makaveli II | £ 44,417,952 | |
| 10250 | Make America Great Again | £ 5,508,261 | |
| 10251 | Make Another Move | £ 225,614,005 | |
| 10252 | Make Gotham Great | £ 134,979,354 | |
| 10253 | make money | £ 4,810,592 | |
| 10254 | Make Netro Great | £ 3,983,342 | |
| 10255 | make this yet | £ 48,850,871 | |
| 10256 | makeofthis | £ 127,596,386 | |
| 10257 | maker | £ 6,849,833 | |
| 10258 | Maker Inc. | £ 2,239,625 | |
| 10259 | Makes Me Feel Fine | £ 64,773,514 | |
| 10260 | Making America Great | £ 164,451,564 | |
| 10261 | Making Pennies | £ 92,844,685 | |
| 10262 | Mako | £ 7,379,065 | |
| 10263 | Maks a Muckle | £ 938,220,068 | |
| 10264 | Malak.Co | £ -47,512 | |
| 10265 | Malaria | £ 1,959,297 | |
| 10266 | Malawi | £ 178,768,230 | |
| 10267 | Malaysia | £ 59,026,830 | |
| 10268 | Malaysia Jet Lost | £ 965,177 | |
| 10269 | MalCo | £ 16,148,870 | |
| 10270 | Malcontent | £ 110,148,082 | |
| 10271 | malformed creature | £ 226,729,818 | |
| 10272 | Malice | £ 887,214,156 | |
| 10273 | Malicious Intent | £ 55,421,858 | |
| 10274 | Malik Inc. | £ 43,598 | |
| 10275 | Malkowitz Industries | £ 303,579,424 | |
| 10276 | Mall | £ 33,937,859 | |
| 10277 | Mallard | £ 47,485,699 | |
| 10278 | Malt Liquor Hulk | £ 121,352,478 | |
| 10279 | Malta | £ 5,500,838 | |
| 10280 | Maltesers | £ 54,432,517 | |
| 10281 | Maluku Inc. | £ 32,601,576 | |
| 10282 | MAMA | £ 10,429,149 | |
| 10283 | Mama Said Knock You Out | £ 172,817,700 | |
| 10284 | mamamiah | £ 7,580,475 | |
| 10285 | mamamiahah | £ 73,270,710 | |
| 10286 | Mambeast Pte Ltd | £ -17,776,530 | |
| 10287 | mami | £ 10,204,605 | |
| 10288 | Mammaries | £ 443,603,860 | |
| 10289 | Mammi | £ 42,251,220 | |
| 10290 | Mammiiah | £ 6,959,891 | |
| 10291 | Mammon | £ 5,509,324 | |
| 10292 | mammoth proportions | £ 503,376,369 | |
| 10293 | mams secret milk | £ 5,504,304 | |
| 10294 | Man | £ 15,615,588 | |
| 10295 | Man 53 | £ 28,656,765 | |
| 10296 | Man Chu | £ 58,613 | |
| 10297 | Man Flu | £ 5,664,188 | |
| 10298 | Man in the Mirror | £ 20,566,211 | |
| 10299 | Man Kind | £ 100,281,734 | |
| 10300 | Man Lab | £ 2,388,802 | |
