The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 5001 | City Slickerzzz | £ 251,340,722 | |
| 5002 | City Wok | £ 118,359 | |
| 5003 | City Wok12 | £ 149,851,702 | |
| 5004 | cityoffspring | £ 22,903,783 | |
| 5005 | CitySuper | £ 141,731,850 | |
| 5006 | CiviIization | £ 813,053,096 | |
| 5007 | Civil Protector | £ 6,430,641 | |
| 5008 | Civilisation | £ 253,003,716 | |
| 5009 | Civilization | £ 9,053,657 | |
| 5010 | CKLOWSMALL | £ 6,269,586 | |
| 5011 | CKLOWSMALL1 | £ 4,211,613 | |
| 5012 | CKLOWSMALL2 | £ 7,574,241 | |
| 5013 | CKLOWSMALL3 | £ 4,096,706 | |
| 5014 | claim.co | £ 153,066,098 | |
| 5015 | Clairvoyance | £ 222,707,023 | |
| 5016 | clam burger | £ -2,190,512 | |
| 5017 | clammys | £ 31,010 | |
| 5018 | Clan Fraser | £ 438,366,569 | |
| 5019 | Clan McLeod | £ 267,267,310 | |
| 5020 | Clandestine Ops | £ 9,642,983 | |
| 5021 | Clandestine Realty | £ 47,386,575 | |
| 5022 | Clans | £ 322,847,271 | |
| 5023 | Clans of Scotland | £ 491,180,760 | |
| 5024 | Clarences Millions | £ 135,441,193 | |
| 5025 | ClaretAndGold | £ 5,503,516 | |
| 5026 | Clarion Ledger | £ 2,067,493 | |
| 5027 | Clarity | £ 2,668,290,320 | |
| 5028 | Clarity Web Solutions | £ 1,480,867 | |
| 5029 | Clark | £ 85,352,159 | |
| 5030 | clarkyCorp | £ 4,826,048 | |
| 5031 | Class | £ 552,439,471 | |
| 5032 | Class A Drugs | £ 6,237,284 | |
| 5033 | Class A Swedge | £ 109,262,865 | |
| 5034 | Class B Associates | £ 77,503,522 | |
| 5035 | Class C LTD | £ 91,308,438 | |
| 5036 | Classified | £ 1,112,059,528 | |
| 5037 | Claustrophobia | £ 202,399,403 | |
| 5038 | Claverhouse | £ 482,534,969 | |
| 5039 | Claw Hammer | £ 171,833,671 | |
| 5040 | Clay | £ 25,588,820 | |
| 5041 | Clayton Nuclear Systems | £ 10,738,836 | |
| 5042 | Clean-Up Crew | £ 48,238,560 | |
| 5043 | Cleaners | £ 422,385,048 | |
| 5044 | cleanupcrew | £ 5,500,009 | |
| 5045 | CLEAR | £ 19,007,952 | |
| 5046 | Clear Creek | £ 212,731,716 | |
| 5047 | clearing wave | £ 4,941,203 | |
| 5048 | ClearWater | £ 50,000 | |
| 5049 | Cleasby co | £ 60,798,869 | |
| 5050 | Cleaving Offshore Ltd | £ 5,506,766 | |
| 5051 | Clementine | £ 119,480,884 | |
| 5052 | Clemenza | £ 300,858 | |
| 5053 | Cleveland | £ 274,388,319 | |
| 5054 | Cleveland Browns | £ 77,283,548 | |
| 5055 | Clever Names | £ 2,111,897,478 | |
| 5056 | Cleyra | £ 58,482,880 | |
| 5057 | Click | £ 5,502,877 | |
| 5058 | ClickClick | £ 3,938,259 | |
| 5059 | Cliffjumper | £ 189,583,070 | |
| 5060 | Climate | £ 184,200,853 | |
| 5061 | Climate Change | £ 322,888,160 | |
| 5062 | climber | £ 127,185,821 | |
| 5063 | CLIPPERMAN | £ 57,055,407 | |
| 5064 | Clitheroe | £ 415,850,956 | |
| 5065 | Clobber | £ 131,272,819 | |
| 5066 | clobber2 | £ 2,206,865 | |
| 5067 | Clock | £ 5,500,868 | |
| 5068 | Clocks | £ 50,000 | |
| 5069 | Clockwork Nexus | £ 5,751,012 | |
| 5070 | Cloggs | £ 2,840,593,717 | |
| 5071 | Clone Wars Co. | £ 4,237,523 | |
| 5072 | Clones | £ 112,130,494 | |
| 5073 | Closeness | £ 483,867,814 | |
| 5074 | Clothing | £ 3,930,256 | |
| 5075 | Cloud | £ 39,844,708 | |
| 5076 | Clouds | £ 74,213,426 | |
| 5077 | cloudyyy | £ 3,872,271 | |
| 5078 | Clove Club | £ 296,641,292 | |
| 5079 | Cloven Hooves | £ 103,118,487 | |
| 5080 | Clowd Inc. | £ 52,949,730 | |
| 5081 | Clown School | £ 5,327,420 | |
| 5082 | Clown Town | £ -2,009,498 | |
| 5083 | Clowns | £ 45,149,976 | |
| 5084 | ClownsRfun | £ 21,446,367 | |
| 5085 | club | £ 515,017,210 | |
| 5086 | Club Boogaloo | £ 10,316,576 | |
| 5087 | Club inc | £ 388,803 | |
| 5088 | Club Tropicana | £ 222,825,708 | |
| 5089 | Clubs | £ 35,964,808 | |
| 5090 | Cluedo | £ 4,906,330,896 | |
| 5091 | Clunge Enterprises | £ 1,967,611 | |
| 5092 | ClusterFartIndustries | £ 57,324,456 | |
| 5093 | ClusterShartIndustries | £ 54,287,012 | |
| 5094 | ClusterSmookIndustries | £ 57,924,163 | |
| 5095 | ClusterSmuckIndustries | £ 130,305,436 | |
| 5096 | ClusterSmutIndustries | £ 50,288,579 | |
| 5097 | Clyde | £ 73,787,147 | |
| 5098 | CMA | £ 32,179 | |
| 5099 | CMI | £ 66,993 | |
| 5100 | CMStu | £ 187,775 | |
