The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 5101 | City of Dread | £ 50,000 | |
| 5102 | City Official | £ 2,268,827 | |
| 5103 | City Slickerzz | £ 481,680,782 | |
| 5104 | City Slickerzzz | £ 881,340,722 | |
| 5105 | City Wok | £ 118,359 | |
| 5106 | City Wok12 | £ 149,851,702 | |
| 5107 | cityoffspring | £ 22,903,783 | |
| 5108 | CitySuper | £ 141,731,850 | |
| 5109 | CiviIization | £ 813,053,096 | |
| 5110 | Civil Protector | £ 6,430,641 | |
| 5111 | Civilisation | £ 253,003,716 | |
| 5112 | Civilization | £ 9,053,657 | |
| 5113 | CKLOWSMALL | £ 6,269,586 | |
| 5114 | CKLOWSMALL1 | £ 4,211,613 | |
| 5115 | CKLOWSMALL2 | £ 7,574,241 | |
| 5116 | CKLOWSMALL3 | £ 4,096,706 | |
| 5117 | claim.co | £ 153,066,098 | |
| 5118 | Clairvoyance | £ 222,707,023 | |
| 5119 | clam burger | £ -2,190,512 | |
| 5120 | clammys | £ 31,010 | |
| 5121 | Clan Fraser | £ 590,817,036 | |
| 5122 | Clan McLeod | £ 223,388,349 | |
| 5123 | Clandestine Ops | £ 9,642,983 | |
| 5124 | Clandestine Realty | £ 47,386,575 | |
| 5125 | Clans | £ 322,847,271 | |
| 5126 | Clans of Scotland | £ 491,180,760 | |
| 5127 | Clarences Millions | £ 135,441,193 | |
| 5128 | ClaretAndGold | £ 5,503,516 | |
| 5129 | Clarion Ledger | £ 2,067,493 | |
| 5130 | Clarity | £ 2,668,290,320 | |
| 5131 | Clarity Web Solutions | £ 1,480,867 | |
| 5132 | Clark | £ 217,923,743 | |
| 5133 | clarkyCorp | £ 4,826,048 | |
| 5134 | Class | £ 552,439,471 | |
| 5135 | Class A Drugs | £ 6,237,284 | |
| 5136 | Class A Swedge | £ 109,262,865 | |
| 5137 | Class B Associates | £ 77,503,522 | |
| 5138 | Class C LTD | £ 91,308,438 | |
| 5139 | Classified | £ 1,113,546,095 | |
| 5140 | Claustrophobia | £ 202,399,403 | |
| 5141 | Claverhouse | £ 482,534,969 | |
| 5142 | Claw Hammer | £ 171,833,671 | |
| 5143 | Clay | £ 25,588,820 | |
| 5144 | Clayton Nuclear Systems | £ 10,738,836 | |
| 5145 | Clean-Up Crew | £ 48,238,560 | |
| 5146 | Cleaners | £ 422,385,048 | |
| 5147 | cleanupcrew | £ 5,500,009 | |
| 5148 | CLEAR | £ 19,007,952 | |
| 5149 | Clear Creek | £ 212,731,716 | |
| 5150 | clearing wave | £ 4,941,203 | |
| 5151 | ClearSky | £ 50,000 | |
| 5152 | ClearWater | £ 50,000 | |
| 5153 | Cleasby co | £ 60,798,869 | |
| 5154 | Cleaving Offshore Ltd | £ 5,506,766 | |
| 5155 | Clem Fandango | £ 3,943,073,052 | |
| 5156 | Clementine | £ 119,480,884 | |
| 5157 | Clemenza | £ 300,858 | |
| 5158 | Cleveland | £ 274,388,319 | |
| 5159 | Cleveland Browns | £ 77,283,548 | |
| 5160 | Clever Names | £ 2,111,897,478 | |
| 5161 | Cleyra | £ 58,482,880 | |
| 5162 | Click | £ 5,502,877 | |
| 5163 | ClickClick | £ 3,938,259 | |
| 5164 | Cliffjumper | £ 189,583,070 | |
| 5165 | Climate | £ 184,200,853 | |
| 5166 | Climate Change | £ 322,888,160 | |
| 5167 | climber | £ 127,185,821 | |
| 5168 | CLIPPERMAN | £ 57,055,407 | |
| 5169 | Clitheroe | £ 415,850,956 | |
| 5170 | Clobber | £ 131,272,819 | |
| 5171 | clobber2 | £ 2,206,865 | |
| 5172 | Clock | £ 5,500,868 | |
| 5173 | Clocks | £ 50,000 | |
| 5174 | Clockwork Nexus | £ 5,751,012 | |
| 5175 | Cloggs | £ 2,840,593,717 | |
| 5176 | Clone Wars Co. | £ 4,237,523 | |
| 5177 | Clones | £ 112,130,494 | |
| 5178 | Closeness | £ 483,867,814 | |
| 5179 | Clothing | £ 3,930,256 | |
| 5180 | Cloud | £ 39,844,708 | |
| 5181 | Clouds | £ 74,213,426 | |
| 5182 | cloudyyy | £ 3,872,271 | |
| 5183 | Clove Club | £ 296,641,292 | |
| 5184 | Cloven Hooves | £ 103,118,487 | |
| 5185 | Clowd Inc. | £ 52,949,730 | |
| 5186 | Clown School | £ 5,327,420 | |
| 5187 | Clown Town | £ -2,009,498 | |
| 5188 | Clowns | £ 45,149,976 | |
| 5189 | ClownsRfun | £ 21,446,367 | |
| 5190 | club | £ 515,017,210 | |
| 5191 | Club Boogaloo | £ 4,185,036 | |
| 5192 | Club inc | £ 388,803 | |
| 5193 | Club Tropicana | £ 91,192,940 | |
| 5194 | Clubs | £ 228,708,139 | |
| 5195 | Cluedo | £ 4,906,330,896 | |
| 5196 | Clunge Enterprises | £ 1,967,611 | |
| 5197 | ClusterFartIndustries | £ 57,324,456 | |
| 5198 | ClusterShartIndustries | £ 54,287,012 | |
| 5199 | ClusterSmookIndustries | £ 57,924,163 | |
| 5200 | ClusterSmuckIndustries | £ 130,305,436 | |
