The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 23101 | The O Neill | £ 178,788,880 | |
| 23102 | The Oak | £ 782,830,018 | |
| 23103 | the Oak. | £ 400,137,642 | |
| 23104 | The Oath | £ 282,075,536 | |
| 23105 | the Obsidian Order | £ 491,782,886 | |
| 23106 | The Occult | £ 10,709,944 | |
| 23107 | The Occulus | £ 105,070,838 | |
| 23108 | The Occupied Territories | £ 706,706,987 | |
| 23109 | The Ocean | £ 283,932 | |
| 23110 | The Octopus | £ 127,459,355 | |
| 23111 | The Off Lane | £ 28,033,279 | |
| 23112 | The Office | £ 82,674,067 | |
| 23113 | The Offspring | £ 26,950,122 | |
| 23114 | The Ohio | £ 320,155,275 | |
| 23115 | The Oilers | £ 40,078,339 | |
| 23116 | The Old Bailey | £ 228,479,312 | |
| 23117 | The old Block | £ 146,724,858 | |
| 23118 | The Old Man | £ 1,200,349,203 | |
| 23119 | The Old Number 9 | £ 129,874,021 | |
| 23120 | The Old Ones | £ 388,511,380 | |
| 23121 | The Old Peoples Home | £ 129,062,175 | |
| 23122 | The Old Republic | £ 5,304,406 | |
| 23123 | The Old Routine | £ 143,897,464 | |
| 23124 | the old school mob | £ 5,469,270 | |
| 23125 | The Old Swiss Wegelin | £ 7,324,578 | |
| 23126 | The Old Ultraviolence | £ 366,306,391 | |
| 23127 | The Old Ways | £ 89,892,038 | |
| 23128 | The Olympian Zeus | £ 937,744,956 | |
| 23129 | The Olympic Games | £ 4,923,269 | |
| 23130 | The Om | £ 75,588,897 | |
| 23131 | The Omen | £ 568,804,382 | |
| 23132 | The One | £ 40,456,113 | |
| 23133 | The one man army | £ 112,378 | |
| 23134 | The only hope | £ 159,947,044 | |
| 23135 | the Oort Cloud | £ 39,050,595 | |
| 23136 | The Opera | £ 1,069,153,425 | |
| 23137 | The Opera. | £ 252,462,141 | |
| 23138 | the Oppressive | £ 58,674,877 | |
| 23139 | The Oprah Winfrey Show | £ 102,251,454 | |
| 23140 | The Orbital Elevator | £ 222,169,096 | |
| 23141 | The Ordinary | £ 83,035,921 | |
| 23142 | The Organisation | £ 1,112,908,122 | |
| 23143 | The Orient | £ 2,273,280,518 | |
| 23144 | The Original | £ 736,011,099 | |
| 23145 | The Other | £ 521,842,249 | |
| 23146 | the other side | £ 10,761,211 | |
| 23147 | The Others | £ 5,508,132 | |
| 23148 | The Ouija Board | £ 34,251,453 | |
| 23149 | The Outback | £ 72,872,933 | |
| 23150 | the Outcast | £ 514,365,758 | |
| 23151 | The Outer Universe | £ 64,138,823 | |
| 23152 | the Outlaw | £ 1,042,409,242 | |
| 23153 | The outraged | £ 371,488,717 | |
| 23154 | The Over Achievers | £ -5,028 | |
| 23155 | The Overfiend | £ 43,916,017 | |
| 23156 | the overhang | £ 292,641,098 | |
| 23157 | The Overlook Hotel | £ 5,505,724 | |
| 23158 | The Overlord | £ 255,255,200 | |
| 23159 | The Pacific North West | £ 4,956,780 | |
| 23160 | The Pack | £ 10,955,419 | |
| 23161 | The Paddy Wacks | £ 39,482,254 | |
| 23162 | The Pale Horse | £ 50,832,532 | |
| 23163 | The Pancake Parlour | £ 19,215,555 | |
| 23164 | The Paper Street Soap Co | £ 1,134,654,402 | |
| 23165 | The papers The papers | £ 31,060,162 | |
| 23166 | The Parent | £ 373,650,220 | |
| 23167 | the Party | £ 1,345,779,097 | |
| 23168 | The Party Line | £ 31,510,648 | |
| 23169 | The Past | £ 2,126,515,667 | |
| 23170 | The Pastt | £ 198,400,145 | |
| 23171 | The Path | £ 322,047,279 | |
| 23172 | The Pathetic Assassin | £ 17,105,656 | |
| 23173 | The Patient Man | £ 869,378 | |
| 23174 | The Peace | £ 195,725,242 | |
| 23175 | The Peaceful Folk | £ 35,979,331 | |
| 23176 | The Peach | £ 154,058,122 | |
| 23177 | The Peaky Blinders | £ 4,324,067,442 | |
| 23178 | The Peanut Co. | £ 23,723,029 | |
| 23179 | The Peasants | £ 56,020,104 | |
| 23180 | The Peckham Terminator | £ 126,442,900 | |
| 23181 | The Pecking Order | £ 1,751,175,278 | |
| 23182 | The penguin | £ 47,024,614 | |
| 23183 | the Penguins | £ 134,968,070 | |
| 23184 | The Pennines | £ 4,026,035,075 | |
| 23185 | The Pentagon | £ 923,718,657 | |
| 23186 | The Pentland Firth | £ 1,153,500,911 | |
| 23187 | the People | £ 384,528,006 | |
| 23188 | The People. | £ 3,891,114,277 | |
| 23189 | The Peoples Champ | £ 71,553,239 | |
| 23190 | The peoples Industries | £ -326,359 | |
| 23191 | The Peppermint Hippo | £ 110,951,163 | |
| 23192 | The Perfect Game | £ 2,823,000,302 | |
| 23193 | The Performance Club | £ 50,000 | |
| 23194 | the performance trap | £ 540,455,890 | |
| 23195 | The Performers | £ 99,148,470 | |
| 23196 | The periodic table | £ 159,495,184 | |
| 23197 | The Pets | £ 3,999,900 | |
| 23198 | The Pheonix | £ 123,384,276 | |
| 23199 | the pheonixx | £ 56,806,609 | |
| 23200 | The Philippines | £ 50,000 | |
