The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 4401 | CST Photography | £ 50,464,511 | |
| 4402 | CSTPhotography 6 | £ 20,376,078 | |
| 4403 | CSTPhotography 7 | £ 22,129,189 | |
| 4404 | CSTPhotography 8 | £ 21,863,841 | |
| 4405 | CSTPhotography2 | £ 30,989,552 | |
| 4406 | CSTPhotography3 | £ 26,100,838 | |
| 4407 | CSTPhotography4 | £ 36,737,311 | |
| 4408 | CSTPhotography5 | £ 31,737,697 | |
| 4409 | Cthulhu | £ 65,626,904 | |
| 4410 | Cthulhu Corp | £ 5,503,404 | |
| 4411 | Cthulhu Sleeps | £ 1,035,686,271 | |
| 4412 | CTI | £ 4,783,705 | |
| 4413 | CTowers | £ 5,026,966 | |
| 4414 | CTU | £ 3,183,621 | |
| 4415 | Cuba | £ 46,040,107 | |
| 4416 | Cuban Rum | £ 27,147,126 | |
| 4417 | Cube | £ 11,923,402 | |
| 4418 | Cube Inc. | £ 5,507,410 | |
| 4419 | cuberdons | £ 8,923,048 | |
| 4420 | Cubic Works | £ 7,695,062 | |
| 4421 | Cubicstan | £ 3,037,220 | |
| 4422 | Cuckoo Ltd | £ 4,991,067 | |
| 4423 | Cucumber | £ 2,006,660,722 | |
| 4424 | Cue | £ 621,309 | |
| 4425 | Cufin | £ 4,931,482 | |
| 4426 | Cullins | £ 585,452,823 | |
| 4427 | Culliver City | £ 19,474,104 | |
| 4428 | Culo | £ 54,280,976 | |
| 4429 | cult and co | £ 23,957,017 | |
| 4430 | cultural appropriation | £ 45,779,182 | |
| 4431 | Cultural Expressions | £ 167,279,109 | |
| 4432 | Cumann Luthchleas Gael | £ 5,502,913 | |
| 4433 | Cuneo | £ 57,638,840 | |
| 4434 | Cunnilingus | £ 114,231,725 | |
| 4435 | Cunnys Trading Company | £ 982,076 | |
| 4436 | Cup | £ 19,851,641 | |
| 4437 | Cup0fTea | £ 253,762,330 | |
| 4438 | Cupid Stunts PLC | £ 276,395,414 | |
| 4439 | Cups | £ 65,928,983 | |
| 4440 | Current Charges | £ 272,053,370 | |
| 4441 | Currents | £ 48,241,725 | |
| 4442 | Curry-clanRob | £ 5,507,441 | |
| 4443 | Cursed World | £ 3,320,256 | |
| 4444 | curtains | £ 297,548,191 | |
| 4445 | Curve | £ 1,327,620 | |
| 4446 | Curz Corp | £ 50,000 | |
| 4447 | Cushion | £ 40,606,248 | |
| 4448 | Cushty Son | £ 0 | |
| 4449 | Custard | £ 57,094,161 | |
| 4450 | Custard Pie | £ 668,701,487 | |
| 4451 | Cut | £ 192,062,776 | |
| 4452 | Cute Boys Dx | £ 5,861,264 | |
| 4453 | Cute Red Industries | £ 61,322,810 | |
| 4454 | Cuthberts Coachworks | £ 596,602,678 | |
| 4455 | cutter | £ 37,900,521 | |
| 4456 | Cutting Down Trees | £ 55,370,240 | |
| 4457 | cvc | £ 5,541,924 | |
| 4458 | Cwm | £ 2,355,525 | |
| 4459 | CYAfergie | £ 6,790,092 | |
| 4460 | Cyanide | £ 81,429,447 | |
| 4461 | Cyber Death | £ 125,400,697 | |
| 4462 | Cyber Sharks | £ 82,973,600 | |
| 4463 | Cyber Tech | £ 3,349,487 | |
| 4464 | cybercrimedetionunit | £ 1,429,198 | |
| 4465 | CyberDeath | £ 100,751,231 | |
| 4466 | Cyberdogs | £ 100,831,693 | |
| 4467 | Cyberdyne | £ 168,365,934 | |
| 4468 | Cyberdyne Corp. | £ 4,285,808 | |
| 4469 | cyberdyne inc. | £ 28,564 | |
| 4470 | Cyberdyne Systems | £ 3,061,652 | |
| 4471 | Cyberdyne Sytems | £ -1,386,763 | |
| 4472 | CyberLife | £ 190,550 | |
| 4473 | Cybernet | £ 50,000 | |
| 4474 | Cyberterrorism | £ 653,442,761 | |
| 4475 | Cyborg | £ 102,781,192 | |
| 4476 | Cyborgia Inc | £ 11,103,436 | |
| 4477 | cycle | £ 123,247,905 | |
| 4478 | Cycletour | £ 5,504,207 | |
| 4479 | Cyclone | £ 12,449,375 | |
| 4480 | Cyclonic energy | £ 53,352,325 | |
| 4481 | Cydonia | £ 4,972,116 | |
| 4482 | CYKA | £ 56,980,649 | |
| 4483 | CykaBlyat | £ 5,365,780 | |
| 4484 | Cylon | £ 79,057,234 | |
| 4485 | Cylons | £ 52,605,207 | |
| 4486 | Cymraeg | £ 10,964,960 | |
| 4487 | Cyprus | £ 269,597,650 | |
| 4488 | Cyrus Salad | £ 59,170,526 | |
| 4489 | Cytosport | £ -5,801,399 | |
| 4490 | czar | £ 4,304,081 | |
| 4491 | D Block | £ 1,449,974,172 | |
| 4492 | D Block Enterprise | £ 2,858,788 | |
| 4493 | D Corp | £ 1,873,647 | |
| 4494 | D E A T H | £ 168,604,204 | |
| 4495 | D-Bombs | £ 59,515,309 | |
| 4496 | D-Lo Enterprise | £ 1,291,954 | |
| 4497 | D.E.A | £ 1,156,785 | |
| 4498 | D.N.A | £ 208,502,808 | |
| 4499 | D3ATH | £ 255,327,318 | |
| 4500 | D3STRUCTI0N | £ 801,838,549 | |
