The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 16101 | Och Noooo | £ 1,506,119 | |
| 16102 | Octavian | £ 4,631,188 | |
| 16103 | October 1066 | £ 81,732,927 | |
| 16104 | October 1854 | £ 290,795,624 | |
| 16105 | October 2014 | £ 94,385,046 | |
| 16106 | Octopia | £ 9,626,521 | |
| 16107 | Octopus Garden | £ 4,050,927 | |
| 16108 | Odd Things | £ 973,073 | |
| 16109 | Oddjob | £ 16,604,273 | |
| 16110 | Odds and ends | £ 161,430,517 | |
| 16111 | Odds on Favorite | £ 74,346,727 | |
| 16112 | Oddysay | £ 2,896,867 | |
| 16113 | Oden | £ 641,394,649 | |
| 16114 | oden wrath | £ 1,735,842,850 | |
| 16115 | odin | £ 8,811,968 | |
| 16116 | Odin Mafia | £ 8,768,668 | |
| 16117 | Odin the Wanderer | £ 4,687,105 | |
| 16118 | Odo | £ 32,513,900 | |
| 16119 | Odqan | £ 188,512,804 | |
| 16120 | Odyssey | £ 334,944,633 | |
| 16121 | of a black widow | £ 201,523,785 | |
| 16122 | Of a Brutal Empire | £ 36,359,377 | |
| 16123 | of a Solar Empire | £ 46,660,163 | |
| 16124 | Of A Time | £ 27,824,181 | |
| 16125 | Of All Your Land | £ 48,121,892 | |
| 16126 | of Belfast | £ 74,222,089 | |
| 16127 | Of Bomb | £ 5,131,350 | |
| 16128 | of CFC | £ 5,455,120 | |
| 16129 | Of Every Position | £ 61,887,884 | |
| 16130 | Of Friday the 13th | £ 50,000 | |
| 16131 | of Impendium | £ 349,441 | |
| 16132 | Of My Label | £ 367,377,610 | |
| 16133 | of my secrets | £ 264,542,333 | |
| 16134 | of of | £ 7,075,463 | |
| 16135 | of of of of of of of of | £ 50,000 | |
| 16136 | of REASON | £ 1,154,429 | |
| 16137 | of RHC | £ 68,042,901 | |
| 16138 | Of Scotland | £ 1,304,795,018 | |
| 16139 | Of The Boards | £ 14,794,127 | |
| 16140 | of the devil | £ 27,539,344 | |
| 16141 | of The Hat | £ 5,507,097 | |
| 16142 | of the heap | £ 66,771,581 | |
| 16143 | of the lost | £ 69,257,675 | |
| 16144 | of the monsters | £ 41,126,098 | |
| 16145 | Of The Road | £ 146,979,140 | |
| 16146 | of the runite | £ 4,694,589 | |
| 16147 | Of The UVF | £ 133,321,393 | |
| 16148 | Of the world | £ 2,007,785 | |
| 16149 | of. | £ 335,457,109 | |
| 16150 | Ofcom | £ 306,858,410 | |
| 16151 | Off | £ 30,404,422 | |
| 16152 | Off His Trolly | £ 10,806,044 | |
| 16153 | off it | £ 5,261,275 | |
| 16154 | Offenbach | £ 382,674,581 | |
| 16155 | Offender | £ 187,520,330 | |
| 16156 | Offensive Behaviour | £ 509,861,247 | |
| 16157 | Offensive Security | £ 215,291,542 | |
| 16158 | Official Location | £ 179,832,369 | |
| 16159 | OfflineTV | £ 56,600,622 | |
| 16160 | Offroad Trucker | £ 155,675,119 | |
| 16161 | Offshore Accounts | £ 39,206,670 | |
| 16162 | Offshore Cash | £ 60,279,702 | |
| 16163 | Offshore Trading Company | £ 5,141,246 | |
| 16164 | Ofsted Inspection Regime | £ 61,751,261 | |
| 16165 | og esaelP | £ 4,208,484 | |
| 16166 | ogkush | £ 2,491,394 | |
| 16167 | Ogrimmar | £ 35,379,515 | |
| 16168 | Oh Herro | £ 2,995,837 | |
| 16169 | Oh Jesus Christ | £ 9,142,153 | |
| 16170 | Oh My God | £ 40,656,275 | |
| 16171 | Oh No | £ 210,904,534 | |
| 16172 | Oh YEAH | £ 2,549,726 | |
| 16173 | ohara inc | £ -165,571 | |
| 16174 | ohe herrow | £ 5,703,509 | |
| 16175 | Ohio | £ 147,577,141 | |
| 16176 | Ohms | £ 359,066,630 | |
| 16177 | Ohnoitsmymothernlaw | £ 5,504,562 | |
| 16178 | Ohtaku inc | £ 3,600,029 | |
| 16179 | Ohtaku inc1 | £ 4,456,703 | |
| 16180 | Ohtaku inc2 | £ 1,267,353 | |
| 16181 | Ohtaku inc3 | £ 4,191,984 | |
| 16182 | Ohtaku inc4 | £ 4,118,968 | |
| 16183 | ohyesyesh | £ 50,000 | |
| 16184 | Oil | £ 833,968,470 | |
| 16185 | Oil CONGLOMO | £ 2,646,845 | |
| 16186 | Oil Field | £ 271,568 | |
| 16187 | Oil First | £ 49,880 | |
| 16188 | Oil Inc | £ 1,610,027 | |
| 16189 | Oil Industry | £ 4,441,721 | |
| 16190 | Oil Rigger | £ 2,151,587,047 | |
| 16191 | Oil Tycoon | £ 5,374,700 | |
| 16192 | Oilfield Industries | £ 9,854,297 | |
| 16193 | oiu | £ 5,498,037 | |
| 16194 | OJ da Juiceman | £ 109,855 | |
| 16195 | OK Tom | £ 216,929,621 | |
| 16196 | OKFurniture | £ 50,000 | |
| 16197 | OKG Shed | £ -329,334 | |
| 16198 | Oklahoma | £ 27,284,645 | |
| 16199 | OKS 1 PTE LTD | £ 50,000 | |
| 16200 | OKS PTE LTD | £ 2,148,676 | |
