The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 4801 | Clarion Ledger | £ 2,067,493 | |
| 4802 | Clarity | £ 2,668,290,320 | |
| 4803 | Clarity Web Solutions | £ 1,480,867 | |
| 4804 | clarkyCorp | £ 4,826,048 | |
| 4805 | Class | £ 552,439,471 | |
| 4806 | Class A Drugs | £ 6,237,284 | |
| 4807 | Class A Swedge | £ 109,262,865 | |
| 4808 | Class B Associates | £ 77,503,522 | |
| 4809 | Class C LTD | £ 91,308,438 | |
| 4810 | Classified | £ 1,075,090,128 | |
| 4811 | Claustrophobia | £ 202,399,403 | |
| 4812 | Claverhouse | £ 482,534,969 | |
| 4813 | Claw Hammer | £ 171,833,671 | |
| 4814 | Clay | £ 25,588,820 | |
| 4815 | Clayton Nuclear Systems | £ 10,738,836 | |
| 4816 | Clean-Up Crew | £ 48,238,560 | |
| 4817 | Cleaners | £ 422,385,048 | |
| 4818 | cleanupcrew | £ 5,500,009 | |
| 4819 | CLEAR | £ 19,007,952 | |
| 4820 | Clear Creek | £ 212,731,716 | |
| 4821 | clearing wave | £ 4,941,203 | |
| 4822 | ClearWater | £ 50,000 | |
| 4823 | Cleasby co | £ 60,798,869 | |
| 4824 | Cleaving Offshore Ltd | £ 5,506,766 | |
| 4825 | Clementine | £ 119,480,884 | |
| 4826 | Clemenza | £ 300,858 | |
| 4827 | Cleveland | £ 274,388,319 | |
| 4828 | Cleveland Browns | £ 77,283,548 | |
| 4829 | Clever Names | £ 2,111,897,478 | |
| 4830 | Cleyra | £ 58,482,880 | |
| 4831 | Click | £ 5,502,877 | |
| 4832 | ClickClick | £ 3,938,259 | |
| 4833 | Cliffjumper | £ 189,583,070 | |
| 4834 | Climate | £ 184,200,853 | |
| 4835 | Climate Change | £ 322,888,160 | |
| 4836 | climber | £ 127,185,821 | |
| 4837 | CLIPPERMAN | £ 57,055,407 | |
| 4838 | Clitheroe | £ 415,850,956 | |
| 4839 | Clobber | £ 131,272,819 | |
| 4840 | clobber2 | £ 2,206,865 | |
| 4841 | Clock | £ 5,500,868 | |
| 4842 | Clocks | £ 50,000 | |
| 4843 | Clockwork Orange | £ 74,240,749 | |
| 4844 | Cloggs | £ 2,840,593,717 | |
| 4845 | Clones | £ 112,130,494 | |
| 4846 | Closeness | £ 483,867,814 | |
| 4847 | Clothing | £ 3,930,256 | |
| 4848 | Cloud | £ 39,844,708 | |
| 4849 | Clouds | £ 74,213,426 | |
| 4850 | cloudyyy | £ 3,872,271 | |
| 4851 | Clove Club | £ 296,641,292 | |
| 4852 | Cloven Hooves | £ 103,118,487 | |
| 4853 | Clowd Inc. | £ 52,949,730 | |
| 4854 | Clown School | £ 5,327,420 | |
| 4855 | Clown Town | £ -2,009,498 | |
| 4856 | Clowns | £ 45,149,976 | |
| 4857 | ClownsRfun | £ 21,446,367 | |
| 4858 | club | £ 515,017,210 | |
| 4859 | Club inc | £ 388,803 | |
| 4860 | Club Tropicana | £ 467,618,391 | |
| 4861 | Clubs | £ 134,994 | |
| 4862 | Cluedo | £ 4,906,330,896 | |
| 4863 | Clunge Enterprises | £ 1,967,611 | |
| 4864 | Clyde | £ 5,502,200 | |
| 4865 | CMA | £ 32,179 | |
| 4866 | CMI | £ 66,993 | |
| 4867 | CMStu | £ 187,775 | |
| 4868 | Co-Op | £ 228,747,203 | |
| 4869 | Co-Operative | £ 1,439,413 | |
| 4870 | Co1 | £ 50,000 | |
| 4871 | CO2 | £ 3,507,780,268 | |
| 4872 | CO3 | £ 4,349,333,239 | |
| 4873 | Coach Purses | £ 69,514,582 | |
| 4874 | Coast toCoast | £ 227,236,801 | |
| 4875 | Coat Hanger | £ 21,523,460 | |
| 4876 | Coating | £ 470,957,791 | |
| 4877 | cob | £ 222,968,805 | |
| 4878 | Cobblers | £ 141,118,977 | |
| 4879 | Cobblewall | £ -821,738 | |
| 4880 | Cobra Dojo | £ 13,639,129 | |
| 4881 | Coca Cola | £ 65,429,607 | |
| 4882 | Coca-Cola Company | £ 7,712,659 | |
| 4883 | CocaCola | £ 1,301,308 | |
| 4884 | Cocaine | £ 298,622,868 | |
| 4885 | CocaineCowboys | £ 2,581,891 | |
| 4886 | Cock Blocked | £ 34,941,635 | |
| 4887 | Cockney corporation 3 | £ 28,108,729 | |
| 4888 | Cockney Corporation 4 | £ 53,944,040 | |
| 4889 | Cockney Reds | £ 5,502,107 | |
| 4890 | Cockrels | £ 4,976,486 | |
| 4891 | Cockroach city | £ -5,701,427 | |
| 4892 | Coco | £ 28,629,337 | |
| 4893 | Coco Cat | £ 3,644,191 | |
| 4894 | Coco Chanel | £ 2,218,060,286 | |
| 4895 | Coco of Kolah | £ 5,508,000 | |
| 4896 | Cocoa Puffs | £ 75,511,186 | |
| 4897 | Cocokolah Inc | £ 5,508,537 | |
| 4898 | CocoNuts | £ 14,254,697 | |
| 4899 | COD | £ 50,000 | |
| 4900 | Code | £ 231,718,147 | |
