The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 5101 | Chum Bucket | £ 7,338,107 | |
| 5102 | chummy | £ 5,486,140 | |
| 5103 | Chunks | £ 2,347,250 | |
| 5104 | churchgoer | £ 1,126,051 | |
| 5105 | Churchill | £ 58,337,888 | |
| 5106 | Churchills Army | £ 64,889,745 | |
| 5107 | CHURCHTOWN FC | £ 10,887,352 | |
| 5108 | Churros | £ 50,000 | |
| 5109 | ChweChewChew | £ 4,749,333 | |
| 5110 | CI5 | £ 45,497,831 | |
| 5111 | CIA | £ 267,214,133 | |
| 5112 | CIA Blacksite | £ 10,953,286 | |
| 5113 | Cicak | £ 56,551,432 | |
| 5114 | Cienfuegos SpZOO | £ 64,533,620 | |
| 5115 | Cigarette Smoke | £ 219,441,957 | |
| 5116 | Cigarettes | £ 337,895,075 | |
| 5117 | Cigarettes Again Damn It | £ 123,544,030 | |
| 5118 | Cigars | £ 16,312,622 | |
| 5119 | cin | £ 309,932,867 | |
| 5120 | Cincinnati | £ 52,354,362 | |
| 5121 | Cinema | £ 1,549,185,036 | |
| 5122 | Cinnamon | £ 146,049,687 | |
| 5123 | cinnamon swirls | £ 3,366,248,792 | |
| 5124 | Cipher | £ -2,474,628 | |
| 5125 | Circa 890AD | £ 1,070,318,257 | |
| 5126 | Circadian Rhythms | £ 206,588,996 | |
| 5127 | Circuit | £ 123,100,139 | |
| 5128 | Circumstantial Evidence | £ 119,683,292 | |
| 5129 | Circus of Many Wives | £ 239,191 | |
| 5130 | circus of values | £ 89 | |
| 5131 | CIS | £ -109,127 | |
| 5132 | Cisco Inc | £ 109,935,309 | |
| 5133 | Cisplatin | £ 28,274,701 | |
| 5134 | cistro corp | £ 7,324 | |
| 5135 | Citadel | £ 141,398,544 | |
| 5136 | Citadel inc. | £ 5,505,922 | |
| 5137 | Citadel Securities | £ 21,952,992 | |
| 5138 | cite des anges | £ 6,999,291 | |
| 5139 | Citibank | £ 5,506,594 | |
| 5140 | Cities | £ 69,048,758 | |
| 5141 | Citizen | £ 201,127,159 | |
| 5142 | Citizen Cain | £ 238,549,281 | |
| 5143 | Citizenship | £ 171,046,340 | |
| 5144 | Citrus Bliss | £ 32,433,053 | |
| 5145 | Citrus Punch Oasis | £ 37,050,866 | |
| 5146 | City Builders Inc1 | £ 7,970,900 | |
| 5147 | City Builders Inc2 | £ 8,306,455 | |
| 5148 | City Guy | £ 113,372,184 | |
| 5149 | City Hall | £ 1,106,828,142 | |
| 5150 | City Holdings Corp | £ 60,343,835 | |
| 5151 | City Holdings Group | £ 62,309,901 | |
| 5152 | City Holdings Inc | £ 60,678,073 | |
| 5153 | City Holdings LTD | £ 59,494,996 | |
| 5154 | City Holdings Plc | £ 42,777,027 | |
| 5155 | City Land | £ 59,816,012 | |
| 5156 | City Lights | £ 40,509,177 | |
| 5157 | City of Dread | £ 50,000 | |
| 5158 | City Official | £ 2,268,827 | |
| 5159 | City Slickerzz | £ 834,324,756 | |
| 5160 | City Slickerzzz | £ 1,425,106,025 | |
| 5161 | City Wok | £ 118,359 | |
| 5162 | City Wok12 | £ 149,851,702 | |
| 5163 | cityoffspring | £ 22,903,783 | |
| 5164 | CitySuper | £ 141,731,850 | |
| 5165 | CiviIization | £ 813,053,096 | |
| 5166 | Civil Protector | £ 6,430,641 | |
| 5167 | Civilisation | £ 253,003,716 | |
| 5168 | Civilization | £ 9,053,657 | |
| 5169 | CKLOWSMALL | £ 6,269,586 | |
| 5170 | CKLOWSMALL1 | £ 4,211,613 | |
| 5171 | CKLOWSMALL2 | £ 7,574,241 | |
| 5172 | CKLOWSMALL3 | £ 4,096,706 | |
| 5173 | claim.co | £ 153,066,098 | |
| 5174 | Clairvoyance | £ 222,707,023 | |
| 5175 | clam burger | £ -2,190,512 | |
| 5176 | clammys | £ 31,010 | |
| 5177 | Clan Fraser | £ 657,304,955 | |
| 5178 | Clan McLeod | £ 235,984,573 | |
| 5179 | Clandestine Ops | £ 9,642,983 | |
| 5180 | Clandestine Realty | £ 47,386,575 | |
| 5181 | Clans | £ 322,847,271 | |
| 5182 | Clans of Scotland | £ 491,180,760 | |
| 5183 | Clarences Millions | £ 135,441,193 | |
| 5184 | ClaretAndGold | £ 5,503,516 | |
| 5185 | Clarion Ledger | £ 2,067,493 | |
| 5186 | Clarity | £ 2,668,290,320 | |
| 5187 | Clarity Web Solutions | £ 1,480,867 | |
| 5188 | Clark | £ 332,259,987 | |
| 5189 | clarkyCorp | £ 4,826,048 | |
| 5190 | Class | £ 552,439,471 | |
| 5191 | Class A Drugs | £ 6,237,284 | |
| 5192 | Class A Swedge | £ 109,262,865 | |
| 5193 | Class B Associates | £ 77,503,522 | |
| 5194 | Class C LTD | £ 91,308,438 | |
| 5195 | Classified | £ 1,135,218,603 | |
| 5196 | Claustrophobia | £ 202,399,403 | |
| 5197 | Claverhouse | £ 482,534,969 | |
| 5198 | Claw Hammer | £ 171,833,671 | |
| 5199 | Clay | £ 25,588,820 | |
| 5200 | Clayton Nuclear Systems | £ 10,738,836 | |
