The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 6101 | Crystal Clear Air | £ 876,903,896 | |
| 6102 | Crystal Clear Tank | £ 11,443,957 | |
| 6103 | Csage | £ 98,162,729 | |
| 6104 | Csage2 | £ 99,621,232 | |
| 6105 | Csage3 | £ 62,852,707 | |
| 6106 | Csage4 | £ 61,364,597 | |
| 6107 | Csage5 | £ 5,402,022 | |
| 6108 | Csage6 | £ 5,502,145 | |
| 6109 | CSI | £ 88,227,651 | |
| 6110 | CSIS | £ 1,570,619 | |
| 6111 | CST Photography | £ 50,464,511 | |
| 6112 | CSTPhotography 6 | £ 20,376,078 | |
| 6113 | CSTPhotography 7 | £ 22,129,189 | |
| 6114 | CSTPhotography 8 | £ 21,863,841 | |
| 6115 | CSTPhotography2 | £ 30,989,552 | |
| 6116 | CSTPhotography3 | £ 26,100,838 | |
| 6117 | CSTPhotography4 | £ 36,737,311 | |
| 6118 | CSTPhotography5 | £ 31,737,697 | |
| 6119 | Cthulhu | £ 65,626,904 | |
| 6120 | Cthulhu Corp | £ 10,289,332 | |
| 6121 | Cthulhu Sleeps | £ 1,035,686,271 | |
| 6122 | CTI | £ 4,783,705 | |
| 6123 | CTowers | £ 36,443,393 | |
| 6124 | ctrl a | £ 1,011,979 | |
| 6125 | Ctrl Alt Del | £ 120,753,569 | |
| 6126 | ctrl alt delete | £ 372,463 | |
| 6127 | ctrl c | £ 562,118 | |
| 6128 | CTU | £ 3,183,621 | |
| 6129 | CU46 | £ 5,504,264 | |
| 6130 | Cuba | £ 46,040,107 | |
| 6131 | Cuba Cuba | £ 26,332,756 | |
| 6132 | Cuban Rum | £ 27,147,126 | |
| 6133 | CUBANA | £ 1,527,317 | |
| 6134 | Cube Inc. | £ 5,507,410 | |
| 6135 | cuberdons | £ 8,923,048 | |
| 6136 | Cubic Works | £ 7,695,062 | |
| 6137 | Cubicstan | £ 3,037,220 | |
| 6138 | Cuckoo Ltd | £ 4,991,067 | |
| 6139 | Cucumber | £ 2,015,046,897 | |
| 6140 | Cufin | £ 4,931,482 | |
| 6141 | cujo | £ 112,082,922 | |
| 6142 | Cullins | £ 589,733,633 | |
| 6143 | Culliver City | £ 19,474,104 | |
| 6144 | Culo | £ 54,280,976 | |
| 6145 | Cult of the Dead | £ 1,014,326,939 | |
| 6146 | cultural appropriation | £ 1,279,501,417 | |
| 6147 | Cultural Decline | £ 56,364,506 | |
| 6148 | Cultural Expressions | £ 167,279,109 | |
| 6149 | Cumann Luthchleas Gael | £ 5,502,913 | |
| 6150 | Cuneo | £ 57,638,840 | |
| 6151 | cunning | £ 70,479,611 | |
| 6152 | Cunnys Trading Company | £ 982,076 | |
| 6153 | Cup | £ 19,851,641 | |
| 6154 | CupKupQup | £ 47,873,168 | |
| 6155 | Cups | £ 65,928,983 | |
| 6156 | Curiosity | £ 644,902,801 | |
| 6157 | Current | £ 5,503,088 | |
| 6158 | Currents | £ 48,241,725 | |
| 6159 | Currumbin Qld | £ 11,752,726 | |
| 6160 | Curry-clanRob | £ 5,507,441 | |
| 6161 | Curse of Monkey Island | £ 36,811,596 | |
| 6162 | curtains | £ 365,303,983 | |
| 6163 | Curve | £ 1,327,620 | |
| 6164 | Curz Corp | £ 50,000 | |
| 6165 | Cusco | £ 245,719,530 | |
| 6166 | Cushion | £ 40,606,248 | |
| 6167 | Cushions | £ 52,838,661 | |
| 6168 | Cushty Son | £ 0 | |
| 6169 | Custard | £ 57,094,161 | |
| 6170 | Custard Pie | £ 668,701,487 | |
| 6171 | Custom Cream Pies | £ 49,782,521 | |
| 6172 | Cut | £ 192,062,776 | |
| 6173 | Cut Resistant Glove | £ 108,609,399 | |
| 6174 | Cute Boys Dx | £ 5,861,264 | |
| 6175 | Cute Red Industries | £ 98,670,867 | |
| 6176 | Cuthberts Coachworks | £ 596,602,678 | |
| 6177 | Cutthroat | £ 39,315,016 | |
| 6178 | Cutting Down Trees | £ 55,370,240 | |
| 6179 | Cutty Sark | £ 2,264,203,967 | |
| 6180 | cvc | £ 5,541,924 | |
| 6181 | CYAfergie | £ 6,790,092 | |
| 6182 | Cyanide | £ 93,319,153 | |
| 6183 | Cyber Death | £ 125,400,697 | |
| 6184 | Cyber Sharks | £ 82,973,600 | |
| 6185 | Cyber Tech | £ 3,349,487 | |
| 6186 | Cyber Tech Systems | £ 79,846,658 | |
| 6187 | Cyber-Tec | £ 205,624,282 | |
| 6188 | Cybercrime Specialists | £ 338,198,930 | |
| 6189 | cybercrimedetionunit | £ 1,429,198 | |
| 6190 | CyberDeath | £ 100,751,231 | |
| 6191 | CyberDefense Co | £ 69,406,949 | |
| 6192 | Cyberdogs | £ 100,831,693 | |
| 6193 | Cyberdyne | £ 181,321,990 | |
| 6194 | Cyberdyne Corp. | £ 4,285,808 | |
| 6195 | Cyberdyne Systems | £ 578,234,596 | |
| 6196 | Cyberdyne Sytems | £ -1,386,763 | |
| 6197 | CyberLife | £ 1,417,404 | |
| 6198 | Cybernet | £ 50,000 | |
| 6199 | Cyberspace Operations | £ 128,346,813 | |
| 6200 | Cyberterrorism | £ 653,442,761 | |
