The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 5301 | CKLOWSMALL | £ 6,269,586 | |
| 5302 | CKLOWSMALL1 | £ 4,211,613 | |
| 5303 | CKLOWSMALL2 | £ 7,574,241 | |
| 5304 | CKLOWSMALL3 | £ 4,096,706 | |
| 5305 | claim.co | £ 153,066,098 | |
| 5306 | Claimh Solais | £ 2,032,684 | |
| 5307 | Clairvoyance | £ 222,707,023 | |
| 5308 | clam burger | £ -2,190,512 | |
| 5309 | clammys | £ 31,010 | |
| 5310 | Clan Fraser | £ 1,256,023,312 | |
| 5311 | Clan McLeod | £ 279,729,571 | |
| 5312 | Clandestine Realty | £ 47,386,575 | |
| 5313 | Clans | £ 322,847,271 | |
| 5314 | Clans of Scotland | £ 491,180,760 | |
| 5315 | clap | £ 44,204,114 | |
| 5316 | Clarences Millions | £ 135,441,193 | |
| 5317 | ClaretAndGold | £ 5,503,516 | |
| 5318 | Clarion Ledger | £ 2,067,493 | |
| 5319 | Clarity | £ 2,668,290,320 | |
| 5320 | Clarity Web Solutions | £ 1,480,867 | |
| 5321 | Clark | £ 323,378,245 | |
| 5322 | Clarksons Farm | £ 48,844,587 | |
| 5323 | clarkyCorp | £ 4,826,048 | |
| 5324 | Class | £ 552,439,471 | |
| 5325 | Class A Drugs | £ 6,237,284 | |
| 5326 | Class A Swedge | £ 109,262,865 | |
| 5327 | Class B Associates | £ 77,503,522 | |
| 5328 | Class C LTD | £ 91,308,438 | |
| 5329 | Classified | £ 1,245,928,991 | |
| 5330 | Claustrophobia | £ 202,399,403 | |
| 5331 | Claverhouse | £ 482,534,969 | |
| 5332 | Claw Hammer | £ 171,833,671 | |
| 5333 | Clayton Nuclear Systems | £ 10,738,836 | |
| 5334 | Clean-Up Crew | £ 48,238,560 | |
| 5335 | Cleaners | £ 422,385,048 | |
| 5336 | cleanupcrew | £ 5,500,009 | |
| 5337 | CLEAR | £ 19,007,952 | |
| 5338 | Clear Creek | £ 212,731,716 | |
| 5339 | clearing wave | £ 4,941,203 | |
| 5340 | ClearSky | £ 39,719,171 | |
| 5341 | ClearWater | £ 50,000 | |
| 5342 | Cleasby co | £ 60,798,869 | |
| 5343 | Cleaving Offshore Ltd | £ 5,506,766 | |
| 5344 | Clem Fandango | £ 4,005,126,930 | |
| 5345 | Clementine | £ 119,480,884 | |
| 5346 | Clemenza | £ 300,858 | |
| 5347 | Cleveland | £ 274,388,319 | |
| 5348 | Cleveland Browns | £ 77,283,548 | |
| 5349 | Clever Names | £ 2,111,897,478 | |
| 5350 | Cleyra | £ 58,482,880 | |
| 5351 | Click | £ 5,502,877 | |
| 5352 | ClickClick | £ 3,938,259 | |
| 5353 | Cliffjumper | £ 189,583,070 | |
| 5354 | Climate | £ 184,200,853 | |
| 5355 | Climate Change | £ 322,888,160 | |
| 5356 | climber | £ 127,185,821 | |
| 5357 | CLIPPERMAN | £ 57,055,407 | |
| 5358 | Clitheroe | £ 415,850,956 | |
| 5359 | Clobber | £ 131,272,819 | |
| 5360 | clobber2 | £ 2,206,865 | |
| 5361 | Clock | £ 5,500,868 | |
| 5362 | Clocks | £ 50,000 | |
| 5363 | Clockwork Nexus | £ 5,751,012 | |
| 5364 | Cloggs | £ 2,840,593,717 | |
| 5365 | Clone Wars Co. | £ 4,237,523 | |
| 5366 | Clones | £ 112,130,494 | |
| 5367 | Clonrichert | £ 198,873 | |
| 5368 | Closeness | £ 483,867,814 | |
| 5369 | Clothing | £ 3,930,256 | |
| 5370 | Cloud Bazaar | £ 50,000 | |
| 5371 | Clouds | £ 74,213,426 | |
| 5372 | cloudyyy | £ 3,872,271 | |
| 5373 | Clout | £ 1,500,509 | |
| 5374 | Clove Club | £ 296,641,292 | |
| 5375 | Cloven Hooves | £ 103,118,487 | |
| 5376 | Clowd Inc. | £ 52,949,730 | |
| 5377 | Clown School | £ 5,327,420 | |
| 5378 | Clown Town | £ -2,009,498 | |
| 5379 | Clowns | £ 45,149,976 | |
| 5380 | ClownsRfun | £ 21,446,367 | |
| 5381 | club | £ 515,017,210 | |
| 5382 | Club inc | £ 388,803 | |
| 5383 | Club Tropicana | £ 148,094,926 | |
| 5384 | Clubs | £ 443,050,674 | |
| 5385 | Cluedo | £ 4,906,330,896 | |
| 5386 | Clunge Enterprises | £ 1,967,611 | |
| 5387 | ClusterFartIndustries | £ 57,324,456 | |
| 5388 | ClusterShartIndustries | £ 54,287,012 | |
| 5389 | ClusterSmookIndustries | £ 57,924,163 | |
| 5390 | ClusterSmuckIndustries | £ 130,305,436 | |
| 5391 | ClusterSmutIndustries | £ 50,288,579 | |
| 5392 | Clyde | £ 512,741,122 | |
| 5393 | CMA | £ 32,179 | |
| 5394 | CMI | £ 66,993 | |
| 5395 | CMStu | £ 187,775 | |
| 5396 | Co-Op | £ 228,747,203 | |
| 5397 | Co-Operative | £ 1,439,413 | |
| 5398 | Co1 | £ 50,000 | |
| 5399 | CO2 | £ 3,507,780,268 | |
| 5400 | CO2 Fire Extinguisher | £ 125,044,993 | |
