The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 5601 | CSTPhotography4 | £ 36,737,311 | |
| 5602 | CSTPhotography5 | £ 31,737,697 | |
| 5603 | Cthulhu | £ 65,626,904 | |
| 5604 | Cthulhu Corp | £ 5,503,404 | |
| 5605 | Cthulhu Sleeps | £ 1,035,686,271 | |
| 5606 | CTI | £ 4,783,705 | |
| 5607 | CTO MAD MAN | £ 2,131,618 | |
| 5608 | CTowers | £ 10,151,216 | |
| 5609 | ctrl a | £ 322,076,512 | |
| 5610 | Ctrl Alt Del | £ 54,511,700 | |
| 5611 | ctrl alt delete | £ 354,941,282 | |
| 5612 | ctrl c | £ 231,354,399 | |
| 5613 | CTU | £ 3,183,621 | |
| 5614 | Cuba | £ 46,040,107 | |
| 5615 | Cuban Rum | £ 27,147,126 | |
| 5616 | Cube | £ 11,923,402 | |
| 5617 | Cube Inc. | £ 5,507,410 | |
| 5618 | cuberdons | £ 8,923,048 | |
| 5619 | Cubic Works | £ 7,695,062 | |
| 5620 | Cubicstan | £ 3,037,220 | |
| 5621 | Cubik | £ 1,449,501 | |
| 5622 | Cuckold | £ 3,990,750 | |
| 5623 | Cuckoo Ltd | £ 4,991,067 | |
| 5624 | Cucumber | £ 2,015,046,897 | |
| 5625 | Cue | £ 621,309 | |
| 5626 | Cufin | £ 4,931,482 | |
| 5627 | Cullins | £ 589,733,633 | |
| 5628 | Culliver City | £ 19,474,104 | |
| 5629 | Culo | £ 54,280,976 | |
| 5630 | cult and co | £ 23,957,017 | |
| 5631 | Cult of Morty Morty | £ 75,159,409 | |
| 5632 | cultural appropriation | £ 980,098,765 | |
| 5633 | Cultural Expressions | £ 167,279,109 | |
| 5634 | Cumann Luthchleas Gael | £ 5,502,913 | |
| 5635 | Cuneo | £ 57,638,840 | |
| 5636 | Cunny Funt | £ 4,898,097 | |
| 5637 | Cunnys Trading Company | £ 982,076 | |
| 5638 | Cup | £ 19,851,641 | |
| 5639 | Cup0fTea | £ 253,762,330 | |
| 5640 | Cupid Stunts PLC | £ 276,395,414 | |
| 5641 | Cups | £ 65,928,983 | |
| 5642 | Curiosity | £ 397,591,023 | |
| 5643 | Current Charges | £ 272,053,370 | |
| 5644 | Currents | £ 48,241,725 | |
| 5645 | Curry-clanRob | £ 5,507,441 | |
| 5646 | curtains | £ 365,303,983 | |
| 5647 | Curve | £ 1,327,620 | |
| 5648 | Curz Corp | £ 50,000 | |
| 5649 | Cusco | £ 106,838,826 | |
| 5650 | Cushion | £ 40,606,248 | |
| 5651 | Cushty Son | £ 0 | |
| 5652 | Custard | £ 57,094,161 | |
| 5653 | Custard Pie | £ 668,701,487 | |
| 5654 | Custom Cream Pies | £ 101,660 | |
| 5655 | Cut | £ 192,062,776 | |
| 5656 | Cut Resistant Glove | £ 116,826,740 | |
| 5657 | Cute Boys Dx | £ 5,861,264 | |
| 5658 | Cute Red Industries | £ 61,322,810 | |
| 5659 | Cuthberts Coachworks | £ 596,602,678 | |
| 5660 | cutter | £ 37,900,521 | |
| 5661 | Cutting Down Trees | £ 55,370,240 | |
| 5662 | Cutty Sark | £ 144,401,095 | |
| 5663 | cvc | £ 5,541,924 | |
| 5664 | Cwm | £ 2,355,525 | |
| 5665 | CYAfergie | £ 6,790,092 | |
| 5666 | Cyanide | £ 93,319,153 | |
| 5667 | Cyber Death | £ 125,400,697 | |
| 5668 | Cyber Sharks | £ 82,973,600 | |
| 5669 | Cyber Tech | £ 3,349,487 | |
| 5670 | Cyber-Tec | £ 10,192,889 | |
| 5671 | Cybercrime Specialists | £ 285,272,346 | |
| 5672 | cybercrimedetionunit | £ 1,429,198 | |
| 5673 | CyberDeath | £ 100,751,231 | |
| 5674 | Cyberdogs | £ 100,831,693 | |
| 5675 | Cyberdyne | £ 178,339,643 | |
| 5676 | Cyberdyne Corp. | £ 4,285,808 | |
| 5677 | cyberdyne inc. | £ 28,564 | |
| 5678 | Cyberdyne Sytems | £ -1,386,763 | |
| 5679 | CyberLife | £ 1,417,404 | |
| 5680 | Cybernet | £ 50,000 | |
| 5681 | Cyberspace Operations | £ 2,416,069 | |
| 5682 | Cyberterrorism | £ 653,442,761 | |
| 5683 | Cyborg | £ 102,781,192 | |
| 5684 | Cyborgia Inc | £ 11,103,436 | |
| 5685 | cycle | £ 123,247,905 | |
| 5686 | Cycletour | £ 5,504,207 | |
| 5687 | Cyclists | £ 50,904,526 | |
| 5688 | Cyclists are rubbish | £ 50,000 | |
| 5689 | Cyclone | £ 12,449,375 | |
| 5690 | Cyclonic energy | £ 53,352,325 | |
| 5691 | Cydonia | £ 4,972,116 | |
| 5692 | Cydonia Ltd | £ 135,066,044 | |
| 5693 | CYKA | £ 56,980,649 | |
| 5694 | CykaBlyat | £ 5,365,780 | |
| 5695 | Cylon | £ 79,057,234 | |
| 5696 | Cylons | £ 52,605,207 | |
| 5697 | Cymraeg | £ 16,291,695 | |
| 5698 | Cyprus | £ 546,672,653 | |
| 5699 | Cyrus Enterprise | £ 26,839,227 | |
| 5700 | Cyrus Salad | £ 59,170,526 | |
