The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 14201 | otherwil5 | £ 829,030 | |
| 14202 | Ottawa | £ 44,778,874 | |
| 14203 | Otto | £ 511,521,836 | |
| 14204 | Ottoman Empire | £ 56,887,049 | |
| 14205 | OU812 | £ 295,697,174 | |
| 14206 | OuCh | £ 54,130,309 | |
| 14207 | Ouija Industries | £ 345,812 | |
| 14208 | our butterfly | £ 1,134,896,288 | |
| 14209 | our differences | £ 48,803,158 | |
| 14210 | Our Discontent | £ 5,507,855 | |
| 14211 | Our Dollar | £ 177,819,111 | |
| 14212 | Our Doorstep | £ 1,396,159 | |
| 14213 | Our Golden Years | £ 908,659,300 | |
| 14214 | Our Good Name | £ 571,345,968 | |
| 14215 | Our Happy Memories | £ 34,408,558 | |
| 14216 | our judgement | £ 621,639,331 | |
| 14217 | our lifes | £ 464,291,926 | |
| 14218 | Our Lives | £ 60,309,789 | |
| 14219 | our Lord | £ 5,790,277 | |
| 14220 | Our Times | £ 1,742,749 | |
| 14221 | Ours | £ 191,746,347 | |
| 14222 | Ourselves | £ 91,484,866 | |
| 14223 | out | £ 85,981,569 | |
| 14224 | Out of Nothing | £ 6,356,430 | |
| 14225 | Out Of The Blue | £ 946,989,643 | |
| 14226 | Out of town | £ 586,926 | |
| 14227 | Out You Go | £ 39,675,860 | |
| 14228 | outbreak | £ 561,418,136 | |
| 14229 | Outer Heaven | £ 58,665,319 | |
| 14230 | Outlandish Labs LLC | £ 1,478,185 | |
| 14231 | Outlands | £ 157,090,767 | |
| 14232 | Outlaw | £ 10,047,120 | |
| 14233 | Outletsales | £ 1,793,596 | |
| 14234 | Outrageous Fortune | £ 210,155,594 | |
| 14235 | Outsourcing LLC | £ 4,372,708 | |
| 14236 | Outtathisworld plc | £ 1,236,092 | |
| 14237 | Outworld | £ 129,126,601 | |
| 14238 | Ovation | £ 2,547,061 | |
| 14239 | Over A Pub | £ 97,048,135 | |
| 14240 | Over Priced | £ 73,067,141 | |
| 14241 | overflowing bog | £ 11,871,021 | |
| 14242 | overHelming | £ 491,414,184 | |
| 14243 | Overmeire | £ 5,506,415 | |
| 14244 | Overpoort | £ 2,764,404 | |
| 14245 | Overpovered | £ 1,092,543 | |
| 14246 | Override | £ 17,139,813 | |
| 14247 | OverThor | £ 5,507,873 | |
| 14248 | Overwatch | £ 215,454,246 | |
| 14249 | Overwatch LTD | £ 57,470,387 | |
| 14250 | Ovine Flu | £ 41,294,119 | |
| 14251 | ow3n pte ltd | £ 3,307,504 | |
| 14252 | Owens Enterprise | £ 1,346,837,431 | |
| 14253 | Owl | £ 237,452,023 | |
| 14254 | OWLF | £ 2,914,903 | |
| 14255 | Owls | £ 425,596,680 | |
| 14256 | owned | £ 5,486,100 | |
| 14257 | Owned2EU | £ -76,039,189 | |
| 14258 | Owned3EU | £ 2,813,019 | |
| 14259 | Owned4EU | £ -11,748,456 | |
| 14260 | Owner | £ 6,354,110 | |
| 14261 | Ownership | £ 113,010,964 | |
| 14262 | Owning This Land | £ -869,747 | |
| 14263 | oWoTYRANNYoWo | £ 52,323,624 | |
| 14264 | OWWWW | £ 5,508,284 | |
| 14265 | Oxcide | £ 12,818,579 | |
| 14266 | Oxford | £ 205,487,202 | |
| 14267 | OXO | £ 627,787,564 | |
| 14268 | Oxtail Soup | £ 31,386,044 | |
| 14269 | Oxy Clean | £ 71,691,928 | |
| 14270 | OXYCODONE | £ 1,645,194,945 | |
| 14271 | Oxygen | £ 215,261,376 | |
| 14272 | Oxymoronisms | £ 1,367,487,372 | |
| 14273 | Oz and Goodwin | £ 4,583,012 | |
| 14274 | Oz. | £ 458,531,890 | |
| 14275 | OZ0.0 | £ 25,946,570 | |
| 14276 | OZ0.1 | £ 33,827,950 | |
| 14277 | OZ0.2 | £ 9,703,588 | |
| 14278 | OZ0.3 | £ 28,295,253 | |
| 14279 | OZ0.4 | £ 24,919,363 | |
| 14280 | OZ0.5 | £ 21,472,709 | |
| 14281 | OZ0.6 | £ 30,405,754 | |
| 14282 | OZ0.7 | £ 50,457,473 | |
| 14283 | OZ0.8 | £ 41,749,865 | |
| 14284 | OZ0.9 | £ 25,029,119 | |
| 14285 | OZ1.0 | £ 45,591,070 | |
| 14286 | OZ1.1 | £ 34,342,074 | |
| 14287 | OZ1.2 | £ 34,395,782 | |
| 14288 | OZ1.3 | £ 29,976,078 | |
| 14289 | OZ1.4 | £ 30,452,762 | |
| 14290 | OZ1.5 | £ 34,402,273 | |
| 14291 | OZ1.6 | £ 28,904,982 | |
| 14292 | OZ1.7 | £ 14,060,521 | |
| 14293 | OZ1.8 | £ 29,704,187 | |
| 14294 | OZ1.9 | £ 1,465,510 | |
| 14295 | OZ2.0 | £ 1,085,981 | |
| 14296 | OZ2.1 | £ 1,235,463 | |
| 14297 | OZ2.2 | £ 24,845,049 | |
| 14298 | OZ2.3 | £ 1,151,238 | |
| 14299 | OZ2.4 | £ 1,463,968 | |
| 14300 | OZ2.5 | £ 1,452,082 | |
