The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 4101 | Citizen Cain | £ 154,662,651 | |
| 4102 | Citizenship | £ 171,046,340 | |
| 4103 | Citrus Punch Oasis | £ 37,050,866 | |
| 4104 | City bomber | £ 41,429,806 | |
| 4105 | City Builders Inc1 | £ 626,139 | |
| 4106 | City Builders Inc2 | £ 582,256 | |
| 4107 | City Hall | £ 57,095,845 | |
| 4108 | City of Dread | £ 50,000 | |
| 4109 | City Walls | £ 4,568,939 | |
| 4110 | City Wok | £ 118,359 | |
| 4111 | City Wok12 | £ 149,851,702 | |
| 4112 | cityoffspring | £ 22,903,783 | |
| 4113 | CitySuper | £ 141,731,850 | |
| 4114 | CiviIization | £ 813,053,096 | |
| 4115 | Civil Protector | £ 6,348,834 | |
| 4116 | Civilisation | £ 253,003,716 | |
| 4117 | Civilization | £ 9,053,657 | |
| 4118 | claim.co | £ 153,066,098 | |
| 4119 | Clairvoyance | £ 222,707,023 | |
| 4120 | clam burger | £ -2,190,512 | |
| 4121 | clammys | £ 31,010 | |
| 4122 | Clandestine Ops | £ 9,642,983 | |
| 4123 | Clans | £ 322,847,271 | |
| 4124 | Clans of Scotland | £ 491,180,760 | |
| 4125 | Clarences Millions | £ 135,441,193 | |
| 4126 | ClaretAndGold | £ 5,503,516 | |
| 4127 | Clarion Ledger | £ 2,067,493 | |
| 4128 | Clarity | £ 4,120,405,105 | |
| 4129 | Clarity Web Solutions | £ 1,480,867 | |
| 4130 | clarkyCorp | £ 4,826,048 | |
| 4131 | Class | £ 552,455,421 | |
| 4132 | Class A Drugs | £ 6,237,284 | |
| 4133 | Class A Swedge | £ 109,262,865 | |
| 4134 | Class B Associates | £ 77,503,522 | |
| 4135 | Class C LTD | £ 91,308,438 | |
| 4136 | Classified | £ 817,100,376 | |
| 4137 | Claustrophobia | £ 79,412,588 | |
| 4138 | Claverhouse | £ 482,534,969 | |
| 4139 | Claw Hammer | £ 171,833,671 | |
| 4140 | Clay | £ 25,588,820 | |
| 4141 | Clayton Nuclear Systems | £ 10,738,836 | |
| 4142 | Clean-Up Crew | £ 48,238,560 | |
| 4143 | Cleaners | £ 422,385,048 | |
| 4144 | Cleanup Crew Inc | £ 12,010,478 | |
| 4145 | cleanupcrew | £ 5,500,009 | |
| 4146 | CLEAR | £ 19,007,952 | |
| 4147 | clearing wave | £ 4,941,203 | |
| 4148 | ClearWater | £ 50,000 | |
| 4149 | Clearwater Asylum | £ 58,690,074 | |
| 4150 | Cleasby co | £ 60,798,869 | |
| 4151 | Cleaving Offshore Ltd | £ 5,506,766 | |
| 4152 | Clementine | £ 119,480,884 | |
| 4153 | Clemenza | £ 300,858 | |
| 4154 | Cleveland | £ 274,388,319 | |
| 4155 | Cleveland Browns | £ 77,283,548 | |
| 4156 | Clever Names | £ 2,111,897,478 | |
| 4157 | Cleyra | £ 58,482,880 | |
| 4158 | Click | £ 5,502,877 | |
| 4159 | ClickClick | £ 3,938,259 | |
| 4160 | Cliffjumper | £ 189,583,070 | |
| 4161 | Climate | £ 56,691,374 | |
| 4162 | Climate Change | £ 322,888,160 | |
| 4163 | climber | £ 127,185,821 | |
| 4164 | CLIPPERMAN | £ 54,163,698 | |
| 4165 | Clitheroe | £ 415,850,956 | |
| 4166 | Clobber | £ 128,106,651 | |
| 4167 | Clock | £ 5,500,868 | |
| 4168 | Clocks | £ 50,000 | |
| 4169 | Clockwork | £ 19,277,289 | |
| 4170 | Cloggs | £ 1,348,784,561 | |
| 4171 | Clones | £ 112,130,494 | |
| 4172 | Closeness | £ 483,867,814 | |
| 4173 | Clothing | £ 3,930,256 | |
| 4174 | Cloud | £ 39,844,708 | |
| 4175 | cloud9 | £ -123,897 | |
| 4176 | Clouds | £ 74,213,426 | |
| 4177 | cloudyyy | £ 3,872,271 | |
| 4178 | Clove Club | £ 296,641,292 | |
| 4179 | Clowd Inc. | £ 52,949,730 | |
| 4180 | CLOWN | £ 753,363 | |
| 4181 | Clown School | £ 5,327,420 | |
| 4182 | Clown Town | £ -2,009,498 | |
| 4183 | Clowns | £ 45,149,976 | |
| 4184 | ClownsRfun | £ 1,534,301 | |
| 4185 | club | £ 499,972,481 | |
| 4186 | Club inc | £ 388,803 | |
| 4187 | Club Music | £ 36,478,492 | |
| 4188 | Clubs | £ 134,994 | |
| 4189 | Cluedo | £ 767,265,054 | |
| 4190 | Clyde | £ 5,502,200 | |
| 4191 | Clyde Ventures | £ 65,091,418 | |
| 4192 | CMA | £ 32,179 | |
| 4193 | CMI | £ 66,993 | |
| 4194 | Cnut | £ 3,883,001 | |
| 4195 | Co-Op | £ 109,470,329 | |
| 4196 | Co1 | £ 50,000 | |
| 4197 | CO2 | £ 7,419,870 | |
| 4198 | CO3 | £ 10,679,534 | |
| 4199 | CO4 | £ 2,169,733 | |
| 4200 | Coach Purses | £ 69,514,582 | |
