The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 10401 | Mass Destruction | £ 208,613,868 | |
| 10402 | Mass Distraction | £ 740,836,641 | |
| 10403 | Mass Extinctions | £ 151,887,470 | |
| 10404 | MaSs HiLiGhTeR | £ 55,491,788 | |
| 10405 | Mass Satisfaction | £ 108,172,069 | |
| 10406 | Massacre | £ 7,955,799 | |
| 10407 | Massage Rev Win | £ 1,080,472,344 | |
| 10408 | Massenet | £ 652,023,276 | |
| 10409 | Massive | £ 83,683,640 | |
| 10410 | Massive Attack | £ 40,160,601 | |
| 10411 | Massive Dong Enterprise | £ 5,754,083 | |
| 10412 | MASSIVE ELECTIONS | £ 16,692,085 | |
| 10413 | Massive Inc | £ 6,334,823 | |
| 10414 | Massively Small Inc. | £ 2,235,888,114 | |
| 10415 | Masta Ace Inc | £ 84,177,720 | |
| 10416 | Mastah Inc. | £ -5,386,656 | |
| 10417 | Master | £ 411,127,543 | |
| 10418 | Master Builders | £ 6,821,399 | |
| 10419 | master molloy2 | £ 3,015,413 | |
| 10420 | Master of Zelda | £ -757,416 | |
| 10421 | Master Sticker Peelers | £ 256,154 | |
| 10422 | Master Swords and Bows | £ 24,666,107 | |
| 10423 | Mastercard | £ 252,652,100 | |
| 10424 | mastermolloy1 | £ 4,589,292 | |
| 10425 | mastermolloy4 | £ 878,532 | |
| 10426 | mastertkd | £ 156,322,341 | |
| 10427 | Masterton | £ 9,742,506 | |
| 10428 | Mata.inc | £ 13,598,445 | |
| 10429 | Matador Cattle Company | £ 5,024,777 | |
| 10430 | matches | £ 795,209,718 | |
| 10431 | Matches plus Petrol | £ 242,327,404 | |
| 10432 | Matchlock | £ 324,682 | |
| 10433 | Materia | £ 19,046,923 | |
| 10434 | Mathewmatics | £ 6,466,483 | |
| 10435 | Matrix | £ 14,797,169 | |
| 10436 | Matrix Reimbursed | £ 134,369,263 | |
| 10437 | Mats | £ 6,079,772,915 | |
| 10438 | Matt Coprporations | £ 25,939,511 | |
| 10439 | Matt Corp 2 | £ 5,507,664 | |
| 10440 | Matt Lange | £ 171,005,052 | |
| 10441 | Matt Schaub | £ 210,415,111 | |
| 10442 | Matter | £ 80,288,893 | |
| 10443 | Matthews Kiosks | £ 877,790 | |
| 10444 | Mattikins | £ 50,000 | |
| 10445 | Matts money | £ 1,189,880 | |
| 10446 | Matts Place | £ 4,023,510 | |
| 10447 | Matty B Inc 7 | £ -331,481 | |
| 10448 | matty mears corporation | £ 7,886,001 | |
| 10449 | matty mears plc | £ 76,777,292 | |
| 10450 | MattyBinc | £ 69,763,618 | |
| 10451 | MattyBinc2 | £ 96,555,685 | |
| 10452 | MattyBinc3 | £ 38,675,838 | |
| 10453 | MattyBinc8 | £ 62,049,472 | |
| 10454 | Mau5trap | £ 939,845 | |
| 10455 | Mauro | £ 5,504,457 | |
| 10456 | mauro mania | £ 50,000 | |
| 10457 | maurotech | £ 548,809 | |
| 10458 | Mauve en Wit | £ 24,014,076 | |
| 10459 | Maverick Inc | £ 14,453,208 | |
| 10460 | Maverick Trouble Inc | £ 37,638,244 | |
| 10461 | Mavs | £ -158,119 | |
| 10462 | Maw | £ 5,504,812 | |
| 10463 | MaWahhh | £ 90,231,150 | |
| 10464 | MawkiMawki | £ 6,983,736 | |
| 10465 | Max Cash Grab Stuff Inc | £ 4,492,788 | |
| 10466 | Max Power | £ 113,331,826 | |
| 10467 | MaxAttack Ltd | £ 773,584 | |
| 10468 | Maxima | £ 9,994,577 | |
| 10469 | Maximas | £ 50,000 | |
| 10470 | Maximum | £ -2,213,330 | |
| 10471 | Maximum Force | £ 756,904,724 | |
| 10472 | Maximum Profit | £ 5,583,604 | |
| 10473 | MaximumRetaliation | £ 345,639 | |
| 10474 | Maximus Inc | £ -27,673 | |
| 10475 | maximus industries | £ 52,863,673 | |
| 10476 | Maximus Pyrotechnics | £ -22,809,232 | |
| 10477 | Maximus Storage | £ 4,310,218 | |
| 10478 | Maximuscle | £ 3,759,106 | |
| 10479 | Maxxis | £ 2,547,439 | |
| 10480 | May | £ 321,223,063 | |
| 10481 | May Day | £ 10,362,997 | |
| 10482 | May Hay | £ 6,903,268 | |
| 10483 | may help | £ 23,308,617 | |
| 10484 | Maya | £ 788,764,343 | |
| 10485 | Mayans | £ 28,668,150 | |
| 10486 | Maybach Music | £ 12,470,379 | |
| 10487 | Mayhem | £ 116,618,582 | |
| 10488 | Mayoland Inc. | £ -390,754 | |
| 10489 | Maz1 | £ 4,123,280 | |
| 10490 | Maz2 | £ 4,145,139 | |
| 10491 | Maz3 | £ 4,137,031 | |
| 10492 | Maz4 | £ 4,101,386 | |
| 10493 | Maziacs | £ 214,690,206 | |
| 10494 | MazManInc | £ 258,718 | |
| 10495 | mbm | £ 81,202,527 | |
| 10496 | Mc Dowells 2.0 | £ 14,294,011 | |
| 10497 | mc3 | £ 62,358,543 | |
| 10498 | Mcboobs Knocking Shops | £ 27,084 | |
| 10499 | mcbuttface | £ 3,955,729 | |
| 10500 | McCann Ind | £ -29,449 | |
