The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 5401 | Cthulhu Sleeps | £ 1,035,686,271 | |
| 5402 | CTI | £ 4,783,705 | |
| 5403 | CTowers | £ 5,026,966 | |
| 5404 | Ctrl Alt Del | £ 8,576,446 | |
| 5405 | CTU | £ 3,183,621 | |
| 5406 | Cuba | £ 46,040,107 | |
| 5407 | Cuban Rum | £ 27,147,126 | |
| 5408 | Cube | £ 11,923,402 | |
| 5409 | Cube Inc. | £ 5,507,410 | |
| 5410 | cuberdons | £ 8,923,048 | |
| 5411 | Cubic Works | £ 7,695,062 | |
| 5412 | Cubicstan | £ 3,037,220 | |
| 5413 | Cubik | £ 3,734,393 | |
| 5414 | Cuckold | £ 3,990,750 | |
| 5415 | Cuckoo Ltd | £ 4,991,067 | |
| 5416 | Cucumber | £ 2,015,046,897 | |
| 5417 | Cue | £ 621,309 | |
| 5418 | Cufin | £ 4,931,482 | |
| 5419 | Cullins | £ 589,733,633 | |
| 5420 | Culliver City | £ 19,474,104 | |
| 5421 | Culo | £ 54,280,976 | |
| 5422 | cult and co | £ 23,957,017 | |
| 5423 | Cult of Morty Morty | £ 6,380,139 | |
| 5424 | cultural appropriation | £ 777,781,602 | |
| 5425 | Cultural Expressions | £ 167,279,109 | |
| 5426 | Cumann Luthchleas Gael | £ 5,502,913 | |
| 5427 | Cuneo | £ 57,638,840 | |
| 5428 | Cunny Funt | £ 4,898,097 | |
| 5429 | Cunnys Trading Company | £ 982,076 | |
| 5430 | Cup | £ 19,851,641 | |
| 5431 | Cup0fTea | £ 253,762,330 | |
| 5432 | Cupid Stunts PLC | £ 276,395,414 | |
| 5433 | Cups | £ 65,928,983 | |
| 5434 | Curiosity | £ 279,232,546 | |
| 5435 | Current Charges | £ 272,053,370 | |
| 5436 | Currents | £ 48,241,725 | |
| 5437 | Curry-clanRob | £ 5,507,441 | |
| 5438 | Cursed World | £ 3,320,256 | |
| 5439 | curtains | £ 365,303,983 | |
| 5440 | Curve | £ 1,327,620 | |
| 5441 | Curz Corp | £ 50,000 | |
| 5442 | Cusco | £ 110,191,282 | |
| 5443 | Cushion | £ 40,606,248 | |
| 5444 | Cushty Son | £ 0 | |
| 5445 | Custard | £ 57,094,161 | |
| 5446 | Custard Pie | £ 668,701,487 | |
| 5447 | Cut | £ 192,062,776 | |
| 5448 | Cute Boys Dx | £ 5,861,264 | |
| 5449 | Cute Red Industries | £ 61,322,810 | |
| 5450 | Cuthberts Coachworks | £ 596,602,678 | |
| 5451 | cutter | £ 37,900,521 | |
| 5452 | Cutting Down Trees | £ 55,370,240 | |
| 5453 | Cutty Sark | £ 46,965,689 | |
| 5454 | cvc | £ 5,541,924 | |
| 5455 | Cwm | £ 2,355,525 | |
| 5456 | CYAfergie | £ 6,790,092 | |
| 5457 | Cyanide | £ 93,319,153 | |
| 5458 | Cyber Death | £ 125,400,697 | |
| 5459 | Cyber Sharks | £ 82,973,600 | |
| 5460 | Cyber Tech | £ 3,349,487 | |
| 5461 | Cyber-Tec | £ 4,734,965 | |
| 5462 | Cybercrime Specialists | £ 238,055,278 | |
| 5463 | cybercrimedetionunit | £ 1,429,198 | |
| 5464 | CyberDeath | £ 100,751,231 | |
| 5465 | Cyberdogs | £ 100,831,693 | |
| 5466 | Cyberdyne | £ 178,339,643 | |
| 5467 | Cyberdyne Corp. | £ 4,285,808 | |
| 5468 | cyberdyne inc. | £ 28,564 | |
| 5469 | Cyberdyne Systems | £ 3,061,652 | |
| 5470 | Cyberdyne Sytems | £ -1,386,763 | |
| 5471 | CyberLife | £ 1,417,404 | |
| 5472 | Cybernet | £ 50,000 | |
| 5473 | Cyberspace Operations | £ 5,503,009 | |
| 5474 | Cyberterrorism | £ 653,442,761 | |
| 5475 | Cyborg | £ 102,781,192 | |
| 5476 | Cyborgia Inc | £ 11,103,436 | |
| 5477 | cycle | £ 123,247,905 | |
| 5478 | Cycletour | £ 5,504,207 | |
| 5479 | Cyclone | £ 12,449,375 | |
| 5480 | Cyclonic energy | £ 53,352,325 | |
| 5481 | Cydonia | £ 4,972,116 | |
| 5482 | Cydonia Ltd | £ 135,066,044 | |
| 5483 | CYKA | £ 56,980,649 | |
| 5484 | CykaBlyat | £ 5,365,780 | |
| 5485 | Cylon | £ 79,057,234 | |
| 5486 | Cylons | £ 52,605,207 | |
| 5487 | Cymraeg | £ 16,291,695 | |
| 5488 | Cyprus | £ 546,672,653 | |
| 5489 | Cyrus Enterprise | £ 7,132,523 | |
| 5490 | Cyrus Enterprises | £ 4,353,444 | |
| 5491 | Cyrus Salad | £ 59,170,526 | |
| 5492 | Cytosport | £ -5,801,399 | |
| 5493 | czar | £ 4,304,081 | |
| 5494 | czx | £ 24,490,259 | |
| 5495 | D Block | £ 1,449,974,172 | |
| 5496 | D Block Enterprise | £ 2,858,788 | |
| 5497 | D Corp | £ 1,873,647 | |
| 5498 | D E A T H | £ 168,604,204 | |
| 5499 | D Jellybean | £ 10,639,824 | |
| 5500 | D-Bombs | £ 67,864,173 | |
