The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 16001 | of RHC | £ 68,042,901 | |
| 16002 | Of Scotland | £ 1,304,795,018 | |
| 16003 | Of The Boards | £ 14,794,127 | |
| 16004 | of the devil | £ 27,539,344 | |
| 16005 | of The Hat | £ 5,507,097 | |
| 16006 | of the heap | £ 66,771,581 | |
| 16007 | of the lost | £ 69,257,675 | |
| 16008 | of the monsters | £ 41,126,098 | |
| 16009 | Of The Road | £ 146,979,140 | |
| 16010 | of the runite | £ 4,694,589 | |
| 16011 | Of The UVF | £ 133,321,393 | |
| 16012 | Of the world | £ 2,007,785 | |
| 16013 | of. | £ 335,457,109 | |
| 16014 | Ofcom | £ 306,858,410 | |
| 16015 | Off | £ 25,794,080 | |
| 16016 | Off His Trolly | £ 10,806,044 | |
| 16017 | off it | £ 5,261,275 | |
| 16018 | Offenbach | £ 382,674,581 | |
| 16019 | Offender | £ 108,525,263 | |
| 16020 | Offensive Behaviour | £ 509,861,247 | |
| 16021 | Offensive Security | £ 201,150,445 | |
| 16022 | Official Location | £ 179,832,369 | |
| 16023 | OfflineTV | £ 56,600,622 | |
| 16024 | Offroad Trucker | £ 98,826,166 | |
| 16025 | Offshore Accounts | £ 39,206,670 | |
| 16026 | Offshore Cash | £ 60,279,702 | |
| 16027 | Offshore Trading Company | £ 5,141,246 | |
| 16028 | Ofsted Inspection Regime | £ 62,385,851 | |
| 16029 | og esaelP | £ 4,208,484 | |
| 16030 | ogkush | £ 2,491,394 | |
| 16031 | Ogrimmar | £ 35,379,515 | |
| 16032 | Oh Herro | £ 2,995,837 | |
| 16033 | Oh Jesus Christ | £ 9,142,153 | |
| 16034 | Oh No | £ 206,006,520 | |
| 16035 | Oh YEAH | £ 2,549,726 | |
| 16036 | ohara inc | £ -165,571 | |
| 16037 | ohe herrow | £ 5,703,509 | |
| 16038 | Ohms | £ 177,388,712 | |
| 16039 | Ohnoitsmymothernlaw | £ 5,504,562 | |
| 16040 | Ohtaku inc | £ 3,600,029 | |
| 16041 | Ohtaku inc1 | £ 4,456,703 | |
| 16042 | Ohtaku inc2 | £ 1,267,353 | |
| 16043 | Ohtaku inc3 | £ 4,191,984 | |
| 16044 | Ohtaku inc4 | £ 4,118,968 | |
| 16045 | ohyesyesh | £ 50,000 | |
| 16046 | Oil | £ 833,968,470 | |
| 16047 | Oil CONGLOMO | £ 2,646,845 | |
| 16048 | Oil Field | £ 271,568 | |
| 16049 | Oil First | £ 49,880 | |
| 16050 | Oil Inc | £ 1,610,027 | |
| 16051 | Oil Industry | £ 4,441,721 | |
| 16052 | Oil Rigger | £ 2,151,587,047 | |
| 16053 | Oil Tycoon | £ 5,374,700 | |
| 16054 | Oilfield Industries | £ 9,854,297 | |
| 16055 | oiu | £ 5,498,037 | |
| 16056 | OJ da Juiceman | £ 109,855 | |
| 16057 | OK Tom | £ 213,436,455 | |
| 16058 | OKFurniture | £ 50,000 | |
| 16059 | OKG Shed | £ -329,334 | |
| 16060 | OKS 1 PTE LTD | £ 50,000 | |
| 16061 | OKS PTE LTD | £ 2,148,676 | |
| 16062 | OLafa | £ 5,088,982 | |
| 16063 | Oland Ltd | £ 50,000 | |
| 16064 | Olay | £ 326,245,749 | |
| 16065 | Old | £ 1,075,974,559 | |
| 16066 | Old Age | £ 428,870,365 | |
| 16067 | Old Antique | £ 10,761,173 | |
| 16068 | Old Bay | £ 123,534,579 | |
| 16069 | Old Bill | £ 45,792,842 | |
| 16070 | Old Boss | £ 15,094,253 | |
| 16071 | Old Carpet | £ 163,972,008 | |
| 16072 | Old company names | £ 1,007,152,779 | |
| 16073 | old farts | £ 3,542,428,093 | |
| 16074 | Old Feuds | £ 44,696,704 | |
| 16075 | Old Granny | £ 9,329,769 | |
| 16076 | old lard | £ -7,521,344 | |
| 16077 | old legends | £ 14,735,844 | |
| 16078 | Old men | £ 397,899,239 | |
| 16079 | Old No. 7 | £ 749,759,055 | |
| 16080 | Old people | £ 41,298,004 | |
| 16081 | Old Rocker | £ 416,345,265 | |
| 16082 | Old School | £ 5,514,041 | |
| 16083 | old skool butta | £ 614,087 | |
| 16084 | Old Smoky | £ 622,122,584 | |
| 16085 | Old Socks | £ 144,379,758 | |
| 16086 | Old Spice | £ 495,104,174 | |
| 16087 | old to netro | £ 80,731,925 | |
| 16088 | Old tyres | £ 54,000,053 | |
| 16089 | Old Whiskey | £ 78,899,948 | |
| 16090 | Old Wisteria | £ 51,324,515 | |
| 16091 | Old World Industry | £ 1,734,908 | |
| 16092 | Old World Ventures | £ 50,000 | |
| 16093 | OlDirty | £ 47,991,916 | |
| 16094 | oldschool | £ 121,302,173 | |
| 16095 | Oligarchy | £ 1,025,312,361 | |
| 16096 | Oligarchy inc. | £ 7,116,723 | |
| 16097 | olis | £ 91,036,818 | |
| 16098 | Olivers Imagination | £ 124,320,555 | |
| 16099 | olives | £ 568,111,602 | |
| 16100 | Olives ltd | £ 2,575,542 | |
