The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 6101 | Cthulhu Corp | £ 10,289,332 | |
| 6102 | Cthulhu Sleeps | £ 1,035,686,271 | |
| 6103 | CTI | £ 4,783,705 | |
| 6104 | CTowers | £ 36,443,393 | |
| 6105 | ctrl a | £ 1,011,979 | |
| 6106 | Ctrl Alt Del | £ 120,753,569 | |
| 6107 | ctrl alt delete | £ 372,463 | |
| 6108 | ctrl c | £ 562,118 | |
| 6109 | CTU | £ 3,183,621 | |
| 6110 | CU46 | £ 5,504,264 | |
| 6111 | Cuba | £ 46,040,107 | |
| 6112 | Cuba Cuba | £ 26,332,756 | |
| 6113 | Cuban Rum | £ 27,147,126 | |
| 6114 | CUBANA | £ 1,527,317 | |
| 6115 | Cube Inc. | £ 5,507,410 | |
| 6116 | cuberdons | £ 8,923,048 | |
| 6117 | Cubic Works | £ 7,695,062 | |
| 6118 | Cubicstan | £ 3,037,220 | |
| 6119 | Cuckoo Ltd | £ 4,991,067 | |
| 6120 | Cucumber | £ 2,015,046,897 | |
| 6121 | Cufin | £ 4,931,482 | |
| 6122 | cujo | £ 112,082,922 | |
| 6123 | Cullins | £ 589,733,633 | |
| 6124 | Culliver City | £ 19,474,104 | |
| 6125 | Culo | £ 54,280,976 | |
| 6126 | Cult of the Dead | £ 1,014,326,939 | |
| 6127 | cultural appropriation | £ 1,279,501,417 | |
| 6128 | Cultural Decline | £ 56,364,506 | |
| 6129 | Cultural Expressions | £ 167,279,109 | |
| 6130 | Cumann Luthchleas Gael | £ 5,502,913 | |
| 6131 | Cuneo | £ 57,638,840 | |
| 6132 | cunning | £ 70,479,611 | |
| 6133 | Cunnys Trading Company | £ 982,076 | |
| 6134 | Cup | £ 19,851,641 | |
| 6135 | CupKupQup | £ 45,050,768 | |
| 6136 | Cups | £ 65,928,983 | |
| 6137 | Curiosity | £ 646,783,443 | |
| 6138 | Currency | £ 1,968,913 | |
| 6139 | Current | £ 5,503,088 | |
| 6140 | Currents | £ 48,241,725 | |
| 6141 | Currumbin Qld | £ 12,367,633 | |
| 6142 | Curry-clanRob | £ 5,507,441 | |
| 6143 | Curse of Monkey Island | £ 37,147,397 | |
| 6144 | curtains | £ 365,303,983 | |
| 6145 | Curve | £ 1,327,620 | |
| 6146 | Curz Corp | £ 50,000 | |
| 6147 | Cusco | £ 247,495,157 | |
| 6148 | Cushion | £ 40,606,248 | |
| 6149 | Cushions | £ 52,838,661 | |
| 6150 | Cushty Son | £ 0 | |
| 6151 | Custard | £ 57,094,161 | |
| 6152 | Custard Pie | £ 668,701,487 | |
| 6153 | Custom Cream Pies | £ 49,782,521 | |
| 6154 | Cut | £ 192,062,776 | |
| 6155 | Cut Resistant Glove | £ 108,609,399 | |
| 6156 | Cute Boys Dx | £ 5,861,264 | |
| 6157 | Cute Red Industries | £ 95,670,867 | |
| 6158 | Cuthberts Coachworks | £ 596,602,678 | |
| 6159 | Cutthroat | £ 39,315,016 | |
| 6160 | Cutting Down Trees | £ 55,370,240 | |
| 6161 | Cutty Sark | £ 2,221,732,574 | |
| 6162 | cvc | £ 5,541,924 | |
| 6163 | CYAfergie | £ 6,790,092 | |
| 6164 | Cyanide | £ 93,319,153 | |
| 6165 | Cyber Death | £ 125,400,697 | |
| 6166 | Cyber Sharks | £ 82,973,600 | |
| 6167 | Cyber Tech | £ 3,349,487 | |
| 6168 | Cyber Tech Systems | £ 73,763,442 | |
| 6169 | Cyber-Tec | £ 205,124,282 | |
| 6170 | Cybercrime Specialists | £ 338,198,930 | |
| 6171 | cybercrimedetionunit | £ 1,429,198 | |
| 6172 | CyberDeath | £ 100,751,231 | |
| 6173 | CyberDefense Co | £ 66,642,155 | |
| 6174 | Cyberdogs | £ 100,831,693 | |
| 6175 | Cyberdyne | £ 181,784,014 | |
| 6176 | Cyberdyne Corp. | £ 4,285,808 | |
| 6177 | Cyberdyne Systems | £ 560,065,515 | |
| 6178 | Cyberdyne Sytems | £ -1,386,763 | |
| 6179 | CyberLife | £ 1,417,404 | |
| 6180 | Cybernet | £ 50,000 | |
| 6181 | Cyberspace Operations | £ 128,346,813 | |
| 6182 | Cyberterrorism | £ 653,442,761 | |
| 6183 | Cyborg | £ 102,781,192 | |
| 6184 | Cyborgia Inc | £ 11,103,436 | |
| 6185 | cycle | £ 123,247,905 | |
| 6186 | Cycletour | £ 5,504,207 | |
| 6187 | Cyclists | £ 253,288,586 | |
| 6188 | Cyclists are rubbish | £ 50,000 | |
| 6189 | Cyclone | £ 12,449,375 | |
| 6190 | Cydonia | £ 4,972,116 | |
| 6191 | Cydonia Ltd | £ 135,066,044 | |
| 6192 | CYKA | £ 56,980,649 | |
| 6193 | CykaBlyat | £ 5,365,780 | |
| 6194 | cylinders | £ 40,678,421 | |
| 6195 | Cylon | £ 79,057,234 | |
| 6196 | Cylons | £ 52,605,207 | |
| 6197 | Cymraeg | £ 16,291,695 | |
| 6198 | Cyprus | £ 546,672,653 | |
| 6199 | Cyrus Enterprise | £ 26,839,227 | |
| 6200 | Cyrus Salad | £ 59,170,526 | |
