The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 5501 | ctrl c | £ 562,118 | |
| 5502 | CTU | £ 3,183,621 | |
| 5503 | Cuba | £ 46,040,107 | |
| 5504 | Cuba Cuba | £ 26,332,756 | |
| 5505 | Cuban Rum | £ 27,147,126 | |
| 5506 | Cube Inc. | £ 5,507,410 | |
| 5507 | cuberdons | £ 8,923,048 | |
| 5508 | Cubic Works | £ 7,695,062 | |
| 5509 | Cubicstan | £ 3,037,220 | |
| 5510 | Cuckoo Ltd | £ 4,991,067 | |
| 5511 | Cucks | £ 51,001,195 | |
| 5512 | Cucumber | £ 2,015,046,897 | |
| 5513 | Cufin | £ 4,931,482 | |
| 5514 | Cullins | £ 589,733,633 | |
| 5515 | Culliver City | £ 19,474,104 | |
| 5516 | Culo | £ 54,280,976 | |
| 5517 | cult and co | £ 23,957,017 | |
| 5518 | Cult of the Dead | £ 105,829,409 | |
| 5519 | cultural appropriation | £ 996,886,895 | |
| 5520 | Cultural Decline | £ 16,412,890 | |
| 5521 | Cultural Expressions | £ 167,279,109 | |
| 5522 | Cumann Luthchleas Gael | £ 5,502,913 | |
| 5523 | Cuneo | £ 57,638,840 | |
| 5524 | cunning | £ 70,479,611 | |
| 5525 | Cunnys Trading Company | £ 982,076 | |
| 5526 | Cup | £ 19,851,641 | |
| 5527 | Cupid Stunts PLC | £ 360,253,156 | |
| 5528 | Cups | £ 65,928,983 | |
| 5529 | Curiosity | £ 525,719,615 | |
| 5530 | Currents | £ 48,241,725 | |
| 5531 | Curry-clanRob | £ 5,507,441 | |
| 5532 | curtains | £ 365,303,983 | |
| 5533 | Curve | £ 1,327,620 | |
| 5534 | Curz Corp | £ 50,000 | |
| 5535 | Cusco | £ 247,604,327 | |
| 5536 | Cushion | £ 40,606,248 | |
| 5537 | Cushty Son | £ 0 | |
| 5538 | Custard | £ 57,094,161 | |
| 5539 | Custard Pie | £ 668,701,487 | |
| 5540 | Custom Cream Pies | £ 13,613,073 | |
| 5541 | Cut | £ 192,062,776 | |
| 5542 | Cut Resistant Glove | £ 108,609,399 | |
| 5543 | Cute Boys Dx | £ 5,861,264 | |
| 5544 | Cute Red Industries | £ 61,322,810 | |
| 5545 | Cuthberts Coachworks | £ 596,602,678 | |
| 5546 | Cutting Down Trees | £ 55,370,240 | |
| 5547 | Cutty Sark | £ 1,074,272,149 | |
| 5548 | cvc | £ 5,541,924 | |
| 5549 | CYAfergie | £ 6,790,092 | |
| 5550 | Cyanide | £ 93,319,153 | |
| 5551 | Cyber Death | £ 125,400,697 | |
| 5552 | Cyber Sharks | £ 82,973,600 | |
| 5553 | Cyber Tech | £ 3,349,487 | |
| 5554 | Cyber Tech Systems | £ 65,995,320 | |
| 5555 | Cyber-Tec | £ 14,189,861 | |
| 5556 | Cybercrime Specialists | £ 294,058,522 | |
| 5557 | cybercrimedetionunit | £ 1,429,198 | |
| 5558 | CyberDeath | £ 100,751,231 | |
| 5559 | CyberDefense Co | £ 67,082,460 | |
| 5560 | Cyberdogs | £ 100,831,693 | |
| 5561 | Cyberdyne | £ 178,339,643 | |
| 5562 | Cyberdyne Corp. | £ 4,285,808 | |
| 5563 | Cyberdyne Systems | £ 43,360,050 | |
| 5564 | Cyberdyne Sytems | £ -1,386,763 | |
| 5565 | CyberLife | £ 1,417,404 | |
| 5566 | Cybernet | £ 50,000 | |
| 5567 | Cyberspace Operations | £ 50,761,368 | |
| 5568 | Cyberterrorism | £ 653,442,761 | |
| 5569 | Cyborg | £ 102,781,192 | |
| 5570 | Cyborgia Inc | £ 11,103,436 | |
| 5571 | cycle | £ 123,247,905 | |
| 5572 | Cycletour | £ 5,504,207 | |
| 5573 | Cyclists | £ 183,215,380 | |
| 5574 | Cyclists are rubbish | £ 50,000 | |
| 5575 | Cyclone | £ 12,449,375 | |
| 5576 | Cyclonic energy | £ 53,352,325 | |
| 5577 | Cydonia | £ 4,972,116 | |
| 5578 | Cydonia Ltd | £ 135,066,044 | |
| 5579 | CYKA | £ 56,980,649 | |
| 5580 | CykaBlyat | £ 5,365,780 | |
| 5581 | Cylon | £ 79,057,234 | |
| 5582 | Cylons | £ 52,605,207 | |
| 5583 | Cymraeg | £ 16,291,695 | |
| 5584 | Cyprus | £ 546,672,653 | |
| 5585 | Cyrus Enterprise | £ 26,839,227 | |
| 5586 | Cyrus Salad | £ 59,170,526 | |
| 5587 | Cytosport | £ -5,801,399 | |
| 5588 | czar | £ 4,304,081 | |
| 5589 | czx | £ 29,007,077 | |
| 5590 | D Block | £ 1,449,974,172 | |
| 5591 | D Block Enterprise | £ 2,858,788 | |
| 5592 | D Corp | £ 1,873,647 | |
| 5593 | D E A T H | £ 168,604,204 | |
| 5594 | D e s t i n y | £ 291,951,234 | |
| 5595 | D Jellybean | £ 10,639,824 | |
| 5596 | D-Bombs | £ 67,864,173 | |
| 5597 | D-Lo Enterprise | £ 1,291,954 | |
| 5598 | D.B. Cooper | £ 1,245,353,841 | |
| 5599 | D.E.A.T.H. | £ 326,690,448 | |
| 5600 | D.N.A | £ 208,502,808 | |
