The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 6001 | CST Photography | £ 50,464,511 | |
| 6002 | CSTPhotography 6 | £ 20,376,078 | |
| 6003 | CSTPhotography 7 | £ 22,129,189 | |
| 6004 | CSTPhotography 8 | £ 21,863,841 | |
| 6005 | CSTPhotography2 | £ 30,989,552 | |
| 6006 | CSTPhotography3 | £ 26,100,838 | |
| 6007 | CSTPhotography4 | £ 36,737,311 | |
| 6008 | CSTPhotography5 | £ 31,737,697 | |
| 6009 | Cthulhu | £ 65,626,904 | |
| 6010 | Cthulhu Corp | £ 10,289,332 | |
| 6011 | Cthulhu Sleeps | £ 1,035,686,271 | |
| 6012 | CTI | £ 4,783,705 | |
| 6013 | CTowers | £ 36,443,393 | |
| 6014 | ctrl a | £ 1,011,979 | |
| 6015 | Ctrl Alt Del | £ 120,753,569 | |
| 6016 | ctrl alt delete | £ 372,463 | |
| 6017 | ctrl c | £ 562,118 | |
| 6018 | CTU | £ 3,183,621 | |
| 6019 | CU46 | £ 5,504,264 | |
| 6020 | Cuba | £ 46,040,107 | |
| 6021 | Cuba Cuba | £ 26,332,756 | |
| 6022 | Cuban Rum | £ 27,147,126 | |
| 6023 | Cube Inc. | £ 5,507,410 | |
| 6024 | cuberdons | £ 8,923,048 | |
| 6025 | Cubic Works | £ 7,695,062 | |
| 6026 | Cubicstan | £ 3,037,220 | |
| 6027 | Cuckoo Ltd | £ 4,991,067 | |
| 6028 | Cucks | £ 33,351,627 | |
| 6029 | Cucumber | £ 2,015,046,897 | |
| 6030 | Cufin | £ 4,931,482 | |
| 6031 | cujo | £ 52,583,663 | |
| 6032 | Cullins | £ 589,733,633 | |
| 6033 | Culliver City | £ 19,474,104 | |
| 6034 | Culo | £ 54,280,976 | |
| 6035 | cult and co | £ 23,957,017 | |
| 6036 | Cult of the Dead | £ 1,014,326,939 | |
| 6037 | cultural appropriation | £ 1,278,078,097 | |
| 6038 | Cultural Decline | £ 21,864,506 | |
| 6039 | Cultural Expressions | £ 167,279,109 | |
| 6040 | Cumann Luthchleas Gael | £ 5,502,913 | |
| 6041 | Cuneo | £ 57,638,840 | |
| 6042 | cunning | £ 70,479,611 | |
| 6043 | Cunnys Trading Company | £ 982,076 | |
| 6044 | Cup | £ 19,851,641 | |
| 6045 | Cupid Stunts PLC | £ 360,253,156 | |
| 6046 | Cups | £ 65,928,983 | |
| 6047 | Curiosity | £ 601,947,939 | |
| 6048 | Currents | £ 48,241,725 | |
| 6049 | Curry-clanRob | £ 5,507,441 | |
| 6050 | Curse of Monkey Island | £ 40,516,958 | |
| 6051 | curtains | £ 365,303,983 | |
| 6052 | Curve | £ 1,327,620 | |
| 6053 | Curz Corp | £ 50,000 | |
| 6054 | Cusco | £ 226,196,228 | |
| 6055 | Cushion | £ 40,606,248 | |
| 6056 | Cushions | £ 52,838,661 | |
| 6057 | Cushty Son | £ 0 | |
| 6058 | Custard | £ 57,094,161 | |
| 6059 | Custard Pie | £ 668,701,487 | |
| 6060 | Custom Cream Pies | £ 34,268,443 | |
| 6061 | Cut | £ 192,062,776 | |
| 6062 | Cut Resistant Glove | £ 108,609,399 | |
| 6063 | Cute Boys Dx | £ 5,861,264 | |
| 6064 | Cute Red Industries | £ 83,972,149 | |
| 6065 | Cuthberts Coachworks | £ 596,602,678 | |
| 6066 | Cutthroat | £ 39,315,016 | |
| 6067 | Cutting Down Trees | £ 55,370,240 | |
| 6068 | Cutty Sark | £ 1,848,796,177 | |
| 6069 | cvc | £ 5,541,924 | |
| 6070 | CYAfergie | £ 6,790,092 | |
| 6071 | Cyanide | £ 93,319,153 | |
| 6072 | Cyber Death | £ 125,400,697 | |
| 6073 | Cyber Sharks | £ 82,973,600 | |
| 6074 | Cyber Tech | £ 3,349,487 | |
| 6075 | Cyber Tech Systems | £ 65,404,603 | |
| 6076 | Cyber-Tec | £ 113,594,418 | |
| 6077 | Cybercrime Specialists | £ 298,698,930 | |
| 6078 | cybercrimedetionunit | £ 1,429,198 | |
| 6079 | CyberDeath | £ 100,751,231 | |
| 6080 | CyberDefense Co | £ 61,179,425 | |
| 6081 | Cyberdogs | £ 100,831,693 | |
| 6082 | Cyberdyne | £ 178,339,643 | |
| 6083 | Cyberdyne Corp. | £ 4,285,808 | |
| 6084 | Cyberdyne Systems | £ 359,915,329 | |
| 6085 | Cyberdyne Sytems | £ -1,386,763 | |
| 6086 | CyberLife | £ 1,417,404 | |
| 6087 | Cybernet | £ 50,000 | |
| 6088 | Cyberspace Operations | £ 123,879,351 | |
| 6089 | Cyberterrorism | £ 653,442,761 | |
| 6090 | Cyborg | £ 102,781,192 | |
| 6091 | Cyborgia Inc | £ 11,103,436 | |
| 6092 | cycle | £ 123,247,905 | |
| 6093 | Cycletour | £ 5,504,207 | |
| 6094 | Cyclists | £ 249,060,660 | |
| 6095 | Cyclists are rubbish | £ 50,000 | |
| 6096 | Cyclone | £ 12,449,375 | |
| 6097 | Cyclonic energy | £ 53,352,325 | |
| 6098 | Cydonia | £ 4,972,116 | |
| 6099 | Cydonia Ltd | £ 135,066,044 | |
| 6100 | CYKA | £ 56,980,649 | |
