The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 5601 | Crypton | £ 89,444,064 | |
| 5602 | Crystal Clear Air | £ 876,903,896 | |
| 5603 | Crystal Clear Tank | £ 11,443,957 | |
| 5604 | Csage | £ 98,162,729 | |
| 5605 | Csage2 | £ 99,621,232 | |
| 5606 | Csage3 | £ 62,852,707 | |
| 5607 | Csage4 | £ 61,364,597 | |
| 5608 | Csage5 | £ 5,402,022 | |
| 5609 | Csage6 | £ 5,502,145 | |
| 5610 | CSI | £ 88,227,651 | |
| 5611 | CSIS | £ 1,570,619 | |
| 5612 | CST Photography | £ 50,464,511 | |
| 5613 | CSTPhotography 6 | £ 20,376,078 | |
| 5614 | CSTPhotography 7 | £ 22,129,189 | |
| 5615 | CSTPhotography 8 | £ 21,863,841 | |
| 5616 | CSTPhotography2 | £ 30,989,552 | |
| 5617 | CSTPhotography3 | £ 26,100,838 | |
| 5618 | CSTPhotography4 | £ 36,737,311 | |
| 5619 | CSTPhotography5 | £ 31,737,697 | |
| 5620 | Cthulhu | £ 65,626,904 | |
| 5621 | Cthulhu Corp | £ 10,289,332 | |
| 5622 | Cthulhu Sleeps | £ 1,035,686,271 | |
| 5623 | CTI | £ 4,783,705 | |
| 5624 | CTowers | £ 36,443,393 | |
| 5625 | ctrl a | £ 1,011,979 | |
| 5626 | Ctrl Alt Del | £ 120,753,569 | |
| 5627 | ctrl c | £ 562,118 | |
| 5628 | CTU | £ 3,183,621 | |
| 5629 | CU46 | £ 1,504,264 | |
| 5630 | Cuba | £ 46,040,107 | |
| 5631 | Cuba Cuba | £ 26,332,756 | |
| 5632 | Cuban Rum | £ 27,147,126 | |
| 5633 | CUBANA | £ 1,527,317 | |
| 5634 | Cube Inc. | £ 5,507,410 | |
| 5635 | cuberdons | £ 8,923,048 | |
| 5636 | Cubic Works | £ 7,695,062 | |
| 5637 | Cubicstan | £ 3,037,220 | |
| 5638 | Cuckoo Ltd | £ 4,991,067 | |
| 5639 | Cucumber | £ 2,015,046,897 | |
| 5640 | Cufin | £ 4,931,482 | |
| 5641 | cujo | £ 115,232,922 | |
| 5642 | Cullins | £ 589,733,633 | |
| 5643 | Culliver City | £ 19,474,104 | |
| 5644 | Culo | £ 54,280,976 | |
| 5645 | Cult of the Dead | £ 1,014,326,939 | |
| 5646 | cultural appropriation | £ 1,279,501,417 | |
| 5647 | Cultural Decline | £ 56,364,506 | |
| 5648 | Cultural Expressions | £ 167,279,109 | |
| 5649 | Cumann Luthchleas Gael | £ 5,502,913 | |
| 5650 | Cuneo | £ 57,638,840 | |
| 5651 | cunning | £ 70,479,611 | |
| 5652 | Cunnys Trading Company | £ 982,076 | |
| 5653 | Cup | £ 19,851,641 | |
| 5654 | CupKupQup | £ 44,680,255 | |
| 5655 | Cups | £ 65,928,983 | |
| 5656 | Curiosity | £ 646,190,849 | |
| 5657 | Current | £ 5,503,088 | |
| 5658 | Currents | £ 48,241,725 | |
| 5659 | Currumbin Qld | £ 11,752,726 | |
| 5660 | Curry-clanRob | £ 5,507,441 | |
| 5661 | Curse of Monkey Island | £ 39,693,192 | |
| 5662 | Curtainright | £ 4,336,887 | |
| 5663 | curtains | £ 365,303,983 | |
| 5664 | Curve | £ 1,327,620 | |
| 5665 | Curymbah | £ 3,924,432 | |
| 5666 | Cusco | £ 246,469,037 | |
| 5667 | Cushion | £ 40,606,248 | |
| 5668 | Cushions | £ 52,838,661 | |
| 5669 | Custard | £ 57,094,161 | |
| 5670 | Custard Pie | £ 668,701,487 | |
| 5671 | Custom Cream Pies | £ 58,353,573 | |
| 5672 | Cut | £ 192,062,776 | |
| 5673 | Cut Resistant Glove | £ 108,609,399 | |
| 5674 | Cute Boys Dx | £ 5,861,264 | |
| 5675 | Cute Red Industries | £ 103,883,477 | |
| 5676 | Cuthberts Coachworks | £ 596,602,678 | |
| 5677 | cutter | £ 24,985,759 | |
| 5678 | Cutthroat | £ 39,315,016 | |
| 5679 | Cutting Down Trees | £ 55,370,240 | |
| 5680 | Cutty Sark | £ 2,357,361,299 | |
| 5681 | cvc | £ 5,541,924 | |
| 5682 | CYAfergie | £ 6,790,092 | |
| 5683 | Cyanide | £ 93,319,153 | |
| 5684 | Cyber Death | £ 125,400,697 | |
| 5685 | Cyber Sharks | £ 82,973,600 | |
| 5686 | Cyber Tech | £ 3,349,487 | |
| 5687 | Cyber Tech Systems | £ 131,352,672 | |
| 5688 | Cyber-Tec | £ 211,624,282 | |
| 5689 | Cybercrime Specialists | £ 339,698,930 | |
| 5690 | cybercrimedetionunit | £ 1,429,198 | |
| 5691 | CyberDeath | £ 100,751,231 | |
| 5692 | CyberDefense Co | £ 136,695,003 | |
| 5693 | Cyberdogs | £ 100,831,693 | |
| 5694 | Cyberdyne | £ 181,174,472 | |
| 5695 | Cyberdyne Corp. | £ 4,285,808 | |
| 5696 | Cyberdyne Systems | £ 485,575,649 | |
| 5697 | CyberLife | £ 1,417,404 | |
| 5698 | Cyberspace Operations | £ 130,228,784 | |
| 5699 | Cyberterrorism | £ 653,442,761 | |
| 5700 | Cyborg | £ 102,781,192 | |
