The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 4001 | Cincinnati | £ 52,354,362 | |
| 4002 | Cinderella Man | £ 3,392,841 | |
| 4003 | Cinema | £ 995,595,015 | |
| 4004 | cinnamon swirls | £ 3,366,248,792 | |
| 4005 | Cipher | £ -2,474,628 | |
| 4006 | Circuit | £ 123,100,139 | |
| 4007 | Circus of Many Wives | £ 239,191 | |
| 4008 | circus of values | £ 89 | |
| 4009 | CIS | £ -109,127 | |
| 4010 | Cisco Inc | £ 4,829,804 | |
| 4011 | Cisplatin | £ 28,274,701 | |
| 4012 | cistro corp | £ 7,324 | |
| 4013 | Citadel inc. | £ 5,505,922 | |
| 4014 | cite des anges | £ 6,999,291 | |
| 4015 | Cities | £ 69,048,758 | |
| 4016 | Citizen | £ 201,127,159 | |
| 4017 | Citizen Cain | £ 154,662,651 | |
| 4018 | Citizenship | £ 171,046,340 | |
| 4019 | Citrus Punch Oasis | £ 37,050,866 | |
| 4020 | City bomber | £ 23,112,894 | |
| 4021 | City Builders Inc1 | £ 626,139 | |
| 4022 | City Builders Inc2 | £ 582,256 | |
| 4023 | City Hall | £ 53,719,597 | |
| 4024 | City of Dread | £ 50,000 | |
| 4025 | City Walls | £ 4,568,939 | |
| 4026 | City Wok | £ 118,359 | |
| 4027 | City Wok12 | £ 149,851,702 | |
| 4028 | cityoffspring | £ 22,903,783 | |
| 4029 | CitySuper | £ 141,731,850 | |
| 4030 | CiviIization | £ 813,053,096 | |
| 4031 | Civil Protector | £ 5,218,092 | |
| 4032 | Civilisation | £ 253,003,716 | |
| 4033 | Civilization | £ 9,053,657 | |
| 4034 | claim.co | £ 153,066,098 | |
| 4035 | Clairvoyance | £ 222,707,023 | |
| 4036 | clam burger | £ -2,190,512 | |
| 4037 | clammys | £ 31,010 | |
| 4038 | Clandestine Ops | £ 9,642,983 | |
| 4039 | Clans | £ 322,847,271 | |
| 4040 | Clans of Scotland | £ 491,180,760 | |
| 4041 | Clarences Millions | £ 135,441,193 | |
| 4042 | ClaretAndGold | £ 5,503,516 | |
| 4043 | Clarion Ledger | £ 2,067,493 | |
| 4044 | Clarity | £ 4,120,405,105 | |
| 4045 | Clarity Web Solutions | £ 1,480,867 | |
| 4046 | clarkyCorp | £ 4,826,048 | |
| 4047 | Class | £ 552,455,421 | |
| 4048 | Class A Drugs | £ 6,237,284 | |
| 4049 | Class A Swedge | £ 109,262,865 | |
| 4050 | Class B Associates | £ 77,503,522 | |
| 4051 | Class C LTD | £ 91,308,438 | |
| 4052 | Classified | £ 817,100,376 | |
| 4053 | Claverhouse | £ 482,534,969 | |
| 4054 | Claw Hammer | £ 171,833,671 | |
| 4055 | Clay | £ 25,588,820 | |
| 4056 | Clayton Nuclear Systems | £ 10,738,836 | |
| 4057 | Clean-Up Crew | £ 48,238,560 | |
| 4058 | Cleaners | £ 422,385,048 | |
| 4059 | Cleanup Crew Inc | £ 12,010,478 | |
| 4060 | cleanupcrew | £ 5,500,009 | |
| 4061 | CLEAR | £ 19,007,952 | |
| 4062 | clearing wave | £ 4,941,203 | |
| 4063 | ClearWater | £ 50,000 | |
| 4064 | Clearwater Asylum | £ 58,690,074 | |
| 4065 | Cleasby co | £ 60,798,869 | |
| 4066 | Cleaving Offshore Ltd | £ 5,506,766 | |
| 4067 | Clementine | £ 119,480,884 | |
| 4068 | Clemenza | £ 300,858 | |
| 4069 | Cleveland | £ 274,388,319 | |
| 4070 | Cleveland Browns | £ 77,283,548 | |
| 4071 | Clever Names | £ 2,111,897,478 | |
| 4072 | Cleyra | £ 58,482,880 | |
| 4073 | Click | £ 5,502,877 | |
| 4074 | ClickClick | £ 3,938,259 | |
| 4075 | Cliffjumper | £ 189,583,070 | |
| 4076 | Climate | £ 56,691,374 | |
| 4077 | Climate Change | £ 322,888,160 | |
| 4078 | climber | £ 127,185,821 | |
| 4079 | CLIPPERMAN | £ 54,163,698 | |
| 4080 | Clitheroe | £ 415,850,956 | |
| 4081 | Clobber | £ 128,106,651 | |
| 4082 | Clock | £ 5,500,868 | |
| 4083 | Clocks | £ 50,000 | |
| 4084 | Clockwork | £ 19,277,289 | |
| 4085 | Cloggs | £ 1,041,935,171 | |
| 4086 | Clones | £ 112,130,494 | |
| 4087 | Closeness | £ 483,867,814 | |
| 4088 | Clothing | £ 3,930,256 | |
| 4089 | Cloud | £ 39,844,708 | |
| 4090 | cloud9 | £ -123,897 | |
| 4091 | Clouds | £ 74,213,426 | |
| 4092 | cloudyyy | £ 3,872,271 | |
| 4093 | Clove Club | £ 296,641,292 | |
| 4094 | Clowd Inc. | £ 52,949,730 | |
| 4095 | CLOWN | £ 753,363 | |
| 4096 | Clown School | £ 5,327,420 | |
| 4097 | Clown Town | £ -2,009,498 | |
| 4098 | Clowns | £ 45,149,976 | |
| 4099 | club | £ 445,602,916 | |
| 4100 | Club inc | £ 388,803 | |
