The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 13301 | Maddy Moo | £ 115,199,118 | |
| 13302 | Made a better decision | £ 51,894,350 | |
| 13303 | Made in Brazil | £ 61,550,105 | |
| 13304 | Made in canada | £ 5,496,632 | |
| 13305 | Made in China | £ 60,382,429 | |
| 13306 | Made in India | £ 18,870,885 | |
| 13307 | made it | £ 9,045,642 | |
| 13308 | madeds | £ 95,442 | |
| 13309 | Madeira Inc | £ 131,914,835 | |
| 13310 | MadHatter | £ -238,315 | |
| 13311 | Madison Square Gardens | £ 1,146,545,289 | |
| 13312 | MadMafia | £ 132,483,479 | |
| 13313 | madman enterprise | £ 2,426,958 | |
| 13314 | madmen | £ 2,133,394,509 | |
| 13315 | Madness | £ 6,736,333 | |
| 13316 | Madness Holdings | £ 6,130,507 | |
| 13317 | Madness Inc | £ 71,179,360 | |
| 13318 | MadridCo | £ 63,090,434 | |
| 13319 | Madtax | £ 60,599,818 | |
| 13320 | Maelstrom | £ 74,490 | |
| 13321 | Maes | £ 5,506,699 | |
| 13322 | Maestro Inc | £ 10,020,096 | |
| 13323 | Maestro1 | £ 9,268,941 | |
| 13324 | Maestro3 | £ 50,000 | |
| 13325 | MaFFia | £ 133,881,913 | |
| 13326 | Mafia | £ 1,753,185 | |
| 13327 | Mafia Company | £ 30,978,732 | |
| 13328 | Mafia Enterprises | £ 8,427,838 | |
| 13329 | Mafia Mexicana | £ 577,876,361 | |
| 13330 | mafism | £ 22,493,332 | |
| 13331 | Mag1c | £ 9,025,059 | |
| 13332 | MAGA | £ 149,392,802 | |
| 13333 | Magazine Distributors | £ 37,320,017 | |
| 13334 | Magdalene | £ 1,003,412,911 | |
| 13335 | Magellan of Voyage | £ 5,290,991 | |
| 13336 | Magenta Weed | £ 271,410,952 | |
| 13337 | Maggic7 | £ -443,731 | |
| 13338 | Magic | £ 487,337,098 | |
| 13339 | Magic Carpet | £ 11,874,743 | |
| 13340 | Magic Emporium | £ 103,205,187 | |
| 13341 | Magic Industries | £ -1,643 | |
| 13342 | Magic Mirror | £ 2,172,047 | |
| 13343 | Magic Monkeyz | £ 8,114,425 | |
| 13344 | Magic Mountain | £ 72,113,974 | |
| 13345 | Magic Mushrooms | £ 160,108,013 | |
| 13346 | Magic Pie | £ 490,215,342 | |
| 13347 | Magic Rock Garden | £ 88,058,735 | |
| 13348 | Magic Round About | £ 60,232,415 | |
| 13349 | Magic Roundabout | £ 5,733,823 | |
| 13350 | Magic Tricks | £ 169,769,002 | |
| 13351 | Magic Unicorns | £ 5,507,889 | |
| 13352 | Magician | £ 43,263,578 | |
| 13353 | MagicMan LTD | £ 151,860,805 | |
| 13354 | magics | £ 81,081,311 | |
| 13355 | Magik | £ 8,435,088 | |
| 13356 | Magikarp | £ 54,441,892 | |
| 13357 | magma | £ 256,976,687 | |
| 13358 | Magnag Industries | £ 5,423,817 | |
| 13359 | Magnesia | £ 49,545,385 | |
| 13360 | Magnesium | £ -10,504,907 | |
| 13361 | Magneto | £ 45,020,225 | |
| 13362 | Magneto. | £ 41,525,507 | |
| 13363 | Magnets | £ 61,532,819 | |
| 13364 | Magnolia Properties | £ 5,505,968 | |
| 13365 | Magnum P.I. | £ 4,478,573,315 | |
| 13366 | Magnus Global | £ 79,802,258 | |
| 13367 | MagnusCorp | £ 56,468,260 | |
| 13368 | Magoo | £ 17,276,464 | |
| 13369 | Magoos | £ 35,729,833 | |
| 13370 | Magpie | £ 85,972,725 | |
| 13371 | Magrathea | £ 54,106,264 | |
| 13372 | Mags Estate | £ 5,508,790 | |
| 13373 | Mags Ltd | £ 4,552,528 | |
| 13374 | Mags Summer | £ 5,708,628 | |
| 13375 | Mai Kao Jai | £ 38,479,227 | |
| 13376 | Maicibai | £ 47,404,486 | |
| 13377 | Maid | £ 155,417,138 | |
| 13378 | £ 532,256,484 | ||
| 13379 | Main Force Patrol | £ 32,257,237 | |
| 13380 | Maintenance | £ 552,348,119 | |
| 13381 | Majic | £ 16,301,691 | |
| 13382 | major proportions | £ 330,952,609 | |
| 13383 | Major Space Crossroutes | £ 167,618,040 | |
| 13384 | Major Suite | £ 17,697 | |
| 13385 | Makaveli | £ 59,162,119 | |
| 13386 | Makaveli II | £ 44,201,619 | |
| 13387 | Make America Great Again | £ 5,508,261 | |
| 13388 | Make Gotham Great | £ 134,979,354 | |
| 13389 | make money | £ 4,810,592 | |
| 13390 | Make Netro Great | £ 3,983,342 | |
| 13391 | make this yet | £ 90,110,795 | |
| 13392 | makeofthis | £ 134,245,142 | |
| 13393 | Maker Inc. | £ 2,239,625 | |
| 13394 | Makes Me Feel Fine | £ 64,773,514 | |
| 13395 | Making America Great | £ 164,451,564 | |
| 13396 | Making Pennies | £ 92,844,685 | |
| 13397 | making so many | £ 85,241,085 | |
| 13398 | Mako | £ 10,829,833 | |
| 13399 | Maks a Muckle | £ 938,220,068 | |
| 13400 | Malak.Co | £ -47,512 | |
