The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 14901 | Ohtaku inc3 | £ 4,191,984 | |
| 14902 | Ohtaku inc4 | £ 4,118,968 | |
| 14903 | ohyesyesh | £ 50,000 | |
| 14904 | Oil | £ 833,968,470 | |
| 14905 | Oil CONGLOMO | £ 2,646,845 | |
| 14906 | Oil Field | £ 271,568 | |
| 14907 | Oil Inc | £ 1,610,027 | |
| 14908 | Oil Industry | £ 4,441,721 | |
| 14909 | Oil Rigger | £ 2,151,587,047 | |
| 14910 | Oilfield Industries | £ 9,854,297 | |
| 14911 | oiu | £ 5,498,037 | |
| 14912 | OJ da Juiceman | £ 109,855 | |
| 14913 | OK Tom | £ 213,436,455 | |
| 14914 | OKFurniture | £ 50,000 | |
| 14915 | OKG Shed | £ -329,334 | |
| 14916 | OKS 1 PTE LTD | £ 50,000 | |
| 14917 | OKS PTE LTD | £ 2,148,676 | |
| 14918 | OLafa | £ 5,088,982 | |
| 14919 | Oland Ltd | £ 50,000 | |
| 14920 | Olay | £ 326,245,749 | |
| 14921 | Old | £ 803,002,460 | |
| 14922 | Old Age | £ 428,870,365 | |
| 14923 | Old Bay | £ 123,534,579 | |
| 14924 | Old Bill | £ 45,792,842 | |
| 14925 | Old Boss | £ 15,094,253 | |
| 14926 | Old Carpet | £ 163,972,008 | |
| 14927 | Old company names | £ 48,245,174 | |
| 14928 | old farts | £ 3,542,428,093 | |
| 14929 | Old Feuds | £ 44,696,704 | |
| 14930 | Old Granny | £ 9,329,769 | |
| 14931 | old lard | £ -7,521,344 | |
| 14932 | old legends | £ 14,735,844 | |
| 14933 | Old men | £ 397,899,239 | |
| 14934 | Old No. 7 | £ 749,759,055 | |
| 14935 | Old people | £ 41,298,004 | |
| 14936 | Old Rocker | £ 416,345,265 | |
| 14937 | Old School | £ 5,514,041 | |
| 14938 | old skool butta | £ 614,087 | |
| 14939 | Old Smoky | £ 622,122,584 | |
| 14940 | Old Socks | £ 144,379,758 | |
| 14941 | old to netro | £ 41,584,161 | |
| 14942 | Old tyres | £ 44,618,166 | |
| 14943 | Old Whiskey | £ 43,807,596 | |
| 14944 | Old World Industry | £ 1,734,908 | |
| 14945 | Old World Ventures | £ 50,000 | |
| 14946 | OlDirty | £ 47,991,916 | |
| 14947 | oldschool | £ 121,302,173 | |
| 14948 | Oligarchy | £ 556,860,397 | |
| 14949 | Oligarchy inc. | £ 7,116,723 | |
| 14950 | olis | £ 91,036,818 | |
| 14951 | Oliver Cromwell | £ 220,112,740 | |
| 14952 | Oliver Queen | £ 56,107,912 | |
| 14953 | Olivers Imagination | £ 124,320,555 | |
| 14954 | Ollio Inc. | £ 6,159,098 | |
| 14955 | Ollio2 Inc. | £ -2,232,039 | |
| 14956 | Ollio3 Inc. | £ -680,853 | |
| 14957 | Olrik | £ 22,147,425 | |
| 14958 | Olympia | £ 112,782,553 | |
| 14959 | olympic rings | £ 3,084,696,830 | |
| 14960 | Olympics | £ 5,508,747 | |
| 14961 | Olympus | £ 2,084,999,378 | |
| 14962 | OMD | £ 62,967,201 | |
| 14963 | Omega | £ 6,183,955 | |
| 14964 | Omega Indusries | £ 37,799 | |
| 14965 | OmegaFox Inc. | £ 1,266,634 | |
| 14966 | Omelette | £ 10,061,528 | |
| 14967 | Omens | £ 54,327,653 | |
| 14968 | Omerta | £ 1,007,186,123 | |
| 14969 | Omerta Inc. | £ 5,500,096 | |
| 14970 | Omni | £ 26,585,058 | |
| 14971 | Omni Consumer Products | £ -23,968,848 | |
| 14972 | Omni Future Corp 1 | £ 855,512,970 | |
| 14973 | omni4 | £ 1,185,151 | |
| 14974 | Omnia | £ 29,796,207 | |
| 14975 | Omnifarious | £ 2,410,371,870 | |
| 14976 | Omnificent | £ 2,348,563,602 | |
| 14977 | Omnipotent | £ 2,234,199,762 | |
| 14978 | Omnipresent | £ 2,295,424,566 | |
| 14979 | Omniscient | £ 2,406,501,107 | |
| 14980 | Omnitool | £ 4,640,506 | |
| 14981 | on a stick | £ 13,410 | |
| 14982 | On all you Candyass | £ 69,045,286 | |
| 14983 | On Industries | £ 1,896,074 | |
| 14984 | On It | £ 59,533,659 | |
| 14985 | On My Mind | £ 87,748,385 | |
| 14986 | On Patrol | £ 5,505,639 | |
| 14987 | On The Fritz | £ 79,242,996 | |
| 14988 | On the move | £ 111,234,097 | |
| 14989 | on the road | £ 405,722,546 | |
| 14990 | once | £ -263,290 | |
| 14991 | Once Said | £ 4,848,853 | |
| 14992 | Once Upon a Time | £ 24,760,937 | |
| 14993 | Once Were Warriors | £ 54,754,263 | |
| 14994 | one | £ 341,379,992 | |
| 14995 | One and a Half | £ 8,610,014,000 | |
| 14996 | One Company | £ 398,709,264 | |
| 14997 | one dollar company | £ 40,885,349 | |
| 14998 | One Enterprise | £ 5,940,523 | |
| 14999 | One Eye Morty | £ 44,039,050 | |
| 15000 | One Eyed Three Leg Dog | £ 63,605,247 | |
