The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 12101 | Of My Label | £ 241,830,978 | |
| 12102 | of of | £ 7,075,463 | |
| 12103 | of REASON | £ 1,154,429 | |
| 12104 | of RHC | £ 68,042,901 | |
| 12105 | Of Scotland | £ 1,304,795,018 | |
| 12106 | of the devil | £ 27,539,344 | |
| 12107 | of The Hat | £ 5,507,097 | |
| 12108 | of the heap | £ 66,771,581 | |
| 12109 | of the lost | £ 69,257,675 | |
| 12110 | of the monsters | £ 41,126,098 | |
| 12111 | Of The Road | £ 146,979,140 | |
| 12112 | of the runite | £ 4,694,589 | |
| 12113 | Of The UVF | £ 133,321,393 | |
| 12114 | Of the world | £ 2,007,785 | |
| 12115 | Of Time | £ 372,360,923 | |
| 12116 | of. | £ 335,457,109 | |
| 12117 | Ofcom | £ 295,858,780 | |
| 12118 | Off | £ 25,794,080 | |
| 12119 | off it | £ 5,261,275 | |
| 12120 | Offenbach | £ 382,674,581 | |
| 12121 | Offensive Behaviour | £ 491,826,391 | |
| 12122 | office | £ 736,716,238 | |
| 12123 | Offroad Trucker | £ 269,091,781 | |
| 12124 | Offshore | £ 367,643,133 | |
| 12125 | Offshore Accounts | £ 140,823,548 | |
| 12126 | Offshore Cash | £ 60,279,702 | |
| 12127 | og esaelP | £ 4,208,484 | |
| 12128 | ogkush | £ 2,491,394 | |
| 12129 | Ogrimmar | £ 35,379,515 | |
| 12130 | Oh Herro | £ 2,995,837 | |
| 12131 | Oh Jesus Christ | £ 9,142,153 | |
| 12132 | Oh No | £ 11,914,770 | |
| 12133 | Oh YEAH | £ 2,549,726 | |
| 12134 | ohara inc | £ -165,571 | |
| 12135 | ohe herrow | £ 5,703,509 | |
| 12136 | Ohnoitsmymothernlaw | £ 5,504,562 | |
| 12137 | Ohtaku inc | £ 3,600,029 | |
| 12138 | Ohtaku inc1 | £ 4,456,703 | |
| 12139 | Ohtaku inc2 | £ 1,267,353 | |
| 12140 | Ohtaku inc3 | £ 4,191,984 | |
| 12141 | Ohtaku inc4 | £ 4,118,968 | |
| 12142 | ohyesyesh | £ 50,000 | |
| 12143 | Oil | £ 833,968,470 | |
| 12144 | Oil CONGLOMO | £ 2,646,845 | |
| 12145 | Oil Field | £ 271,568 | |
| 12146 | Oil Inc | £ 1,596,655 | |
| 12147 | Oil Industry | £ 4,441,721 | |
| 12148 | Oil Rigger | £ 2,151,587,047 | |
| 12149 | Oilfield Industries | £ 9,854,297 | |
| 12150 | oiu | £ 5,498,037 | |
| 12151 | OJ da Juiceman | £ 109,855 | |
| 12152 | OK Tom | £ 167,436,455 | |
| 12153 | OKFurniture | £ 50,000 | |
| 12154 | OKG Shed | £ -329,334 | |
| 12155 | OKS 1 PTE LTD | £ 50,000 | |
| 12156 | OKS PTE LTD | £ 2,148,676 | |
| 12157 | OLafa | £ 5,088,982 | |
| 12158 | Oland Ltd | £ 50,000 | |
| 12159 | Olay | £ 290,473,960 | |
| 12160 | Old Age | £ 372,141,647 | |
| 12161 | Old Bay | £ 123,534,579 | |
| 12162 | Old Bill | £ 45,792,842 | |
| 12163 | Old Carpet | £ 163,972,008 | |
| 12164 | old farts | £ 3,087,618,126 | |
| 12165 | Old Feuds | £ 44,696,704 | |
| 12166 | Old Granny | £ 9,329,769 | |
| 12167 | old lard | £ -7,521,344 | |
| 12168 | old legends | £ 14,735,844 | |
| 12169 | Old men | £ 397,899,239 | |
| 12170 | Old No. 7 | £ 620,700,257 | |
| 12171 | Old people | £ 41,298,004 | |
| 12172 | Old Rocker | £ 9,687,107 | |
| 12173 | Old School | £ 5,514,041 | |
| 12174 | old skool butta | £ 614,087 | |
| 12175 | Old Smoky | £ 622,122,584 | |
| 12176 | Old Socks | £ 144,379,758 | |
| 12177 | Old Whiskey | £ 17,558,590 | |
| 12178 | Old World Industry | £ 1,734,908 | |
| 12179 | Old World Ventures | £ 50,000 | |
| 12180 | OlDirty | £ 47,991,916 | |
| 12181 | oldschool | £ 50,536,236 | |
| 12182 | Oligarchy | £ 556,860,397 | |
| 12183 | Oligarchy inc. | £ 7,116,723 | |
| 12184 | olis | £ 91,036,818 | |
| 12185 | Oliver Cromwell | £ 220,112,740 | |
| 12186 | Oliver Queen | £ 56,107,912 | |
| 12187 | Olivers Imagination | £ 124,320,555 | |
| 12188 | Olrik | £ 22,147,425 | |
| 12189 | Olympia | £ 112,782,553 | |
| 12190 | olympic rings | £ 3,053,180,724 | |
| 12191 | Olympics | £ 5,508,747 | |
| 12192 | Olympus | £ 808,117,333 | |
| 12193 | Omega | £ 6,183,955 | |
| 12194 | Omega Indusries | £ 37,799 | |
| 12195 | OmegaFox Inc. | £ 1,266,634 | |
| 12196 | Omelette | £ 10,061,528 | |
| 12197 | Omerta | £ 1,007,186,123 | |
| 12198 | Omerta Inc. | £ 5,500,096 | |
| 12199 | Omni | £ 26,585,058 | |
| 12200 | Omni Consumer Products | £ -13,323,336 | |
