The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 10301 | Miccpelt | £ 414,182,779 | |
| 10302 | Mice | £ 54,981,578 | |
| 10303 | Mice and Men | £ 406,351,331 | |
| 10304 | Mice CORP | £ 4,657,778 | |
| 10305 | Mice INC | £ -8,592,908 | |
| 10306 | Mice LTD | £ -1,811 | |
| 10307 | Mice TM | £ -240,470 | |
| 10308 | Michael | £ 1,522,266 | |
| 10309 | Michael Jackson | £ 35,590,097 | |
| 10310 | MichaelUnitedJuggernaut | £ 944,737 | |
| 10311 | Michelangelo | £ 63,411,929 | |
| 10312 | Michelin Mogul | £ 89,056,676 | |
| 10313 | Michigan | £ 83,780,074 | |
| 10314 | Michigan 1 | £ 4,091,450 | |
| 10315 | Mickey Mouse | £ 541,588,760 | |
| 10316 | micks empire | £ 5,500,143 | |
| 10317 | Micky | £ 471,866,734 | |
| 10318 | Micoss | £ 50,000 | |
| 10319 | Micro Waves | £ 27,270,073 | |
| 10320 | Microbix | £ 5,230,264 | |
| 10321 | Microboom | £ 45,468,171 | |
| 10322 | Microhard | £ 16,911,150 | |
| 10323 | Microserve | £ 5,974,813 | |
| 10324 | Microsft Enterprises | £ 6,100,321 | |
| 10325 | Microsoft | £ 564,820,057 | |
| 10326 | Microsoft Corporation | £ 58,800,390 | |
| 10327 | Microsoft Retail Ltd. | £ 1,276,186 | |
| 10328 | Midas | £ 26,756,564 | |
| 10329 | Midgar | £ 17,036,842 | |
| 10330 | Midget | £ 6,782,042,430 | |
| 10331 | Midget Enterprises | £ 4,275,677,741 | |
| 10332 | Midget Inc | £ 9,327,537,913 | |
| 10333 | Midget Tossing | £ 57,557,330 | |
| 10334 | Midget World | £ 19,230,986,032 | |
| 10335 | Midgets | £ 83,354,303 | |
| 10336 | Midlands13th | £ 6,244,011 | |
| 10337 | Midnight | £ 50,252,909 | |
| 10338 | Midnight Bombers | £ 32,340,913 | |
| 10339 | Midnight Express | £ 52,062,394 | |
| 10340 | Midnight Fun | £ 186,160,753 | |
| 10341 | Midnight Madness | £ 1,455,556,381 | |
| 10342 | Midnight Marauder | £ 89,732,649 | |
| 10343 | Midnight Marauders | £ 553,311,151 | |
| 10344 | Midnight Rider | £ 456,745,325 | |
| 10345 | midnight run | £ 257,727,295 | |
| 10346 | Migdets Mom | £ 82,363,508 | |
| 10347 | Might and Magic | £ 423,208 | |
| 10348 | MightBeRight Industries | £ 6,243,134 | |
| 10349 | mighty boosh | £ 176,084 | |
| 10350 | MIGHTY MOUSE | £ 122,814,519 | |
| 10351 | Miguel Cotto | £ 198,095,540 | |
| 10352 | Mij Dan | £ 199,252,042 | |
| 10353 | Mijn vliegmachine | £ 5,506,987 | |
| 10354 | Mike Hunt | £ 185,751,744 | |
| 10355 | Mike Tyson | £ 194,766,793 | |
| 10356 | Mike Tyson mysteries | £ 85,813,405 | |
| 10357 | miked re | £ 39,919,235 | |
| 10358 | Mikem | £ 3,201,045,591 | |
| 10359 | MikeM Enterprises | £ 19,136,827 | |
| 10360 | MikeysMillions | £ 6,525,157 | |
| 10361 | Miklagaard | £ 42,330,338 | |
| 10362 | mild flanging effect | £ 550,481,202 | |
| 10363 | Milestone Tomorrow | £ 598,168 | |
| 10364 | Milf Inc. | £ 74,819,012 | |
| 10365 | Milk | £ 374,457,790 | |
| 10366 | Milk Tray | £ 159,123,521 | |
| 10367 | milktray | £ 2,289,863 | |
| 10368 | milkyway | £ 4,197,343 | |
| 10369 | Millennium Falcon | £ 99,404,066 | |
| 10370 | Miller Time | £ 17,723,529 | |
| 10371 | Million Inc. | £ -293,992 | |
| 10372 | Millions Holdings Plc | £ 66,308,357 | |
| 10373 | Millwall | £ 7,007,570 | |
| 10374 | Millwall F.C. | £ 215,672,325 | |
| 10375 | Milnezy | £ 50,000 | |
| 10376 | Milo | £ 191,863,140 | |
| 10377 | Milton | £ 194,826,061 | |
| 10378 | Min inc | £ 3,315,374 | |
| 10379 | Mind | £ 64,346,675 | |
| 10380 | mindcorp | £ 90,474,030 | |
| 10381 | Mindfulness | £ 689,395,878 | |
| 10382 | Minds | £ 35,859,828 | |
| 10383 | Mine | £ 282,551,513 | |
| 10384 | Mine Diskers Anonymous | £ 1,530,383 | |
| 10385 | Mineee | £ 1,826,226 | |
| 10386 | Miners Inc | £ 62,231,901 | |
| 10387 | Miners Inc2 | £ 88,248,147 | |
| 10388 | Miners Inc3 | £ -30,708 | |
| 10389 | mingschicks | £ 11,741,749 | |
| 10390 | Mini Ginny Holdings | £ 50,000 | |
| 10391 | Minion | £ 1,455,847 | |
| 10392 | minion holdings | £ 5,120,781 | |
| 10393 | minion world | £ 57,786,658 | |
| 10394 | minion world 2 | £ 10,243,837 | |
| 10395 | minion world 3 | £ 5,263,321 | |
| 10396 | minion world 4 | £ 7,884,035 | |
| 10397 | Minions | £ 233,058,733 | |
| 10398 | Miniopolis | £ 12,389,949 | |
| 10399 | Minister | £ 415,720 | |
| 10400 | Ministry of Darkness | £ 17,655,658 | |
