The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 16201 | Osmosis | £ 41,633,292 | |
| 16202 | Osprey Close | £ 53,590,765 | |
| 16203 | ossiary | £ 18,019,777 | |
| 16204 | Othello | £ 36,213,227 | |
| 16205 | other comps | £ 286,021,008 | |
| 16206 | Other People | £ 40,271,908 | |
| 16207 | Others | £ 26,039,960 | |
| 16208 | Others sometimes | £ 65,359,099 | |
| 16209 | otherwil | £ 133,717 | |
| 16210 | otherwil2 | £ -34,567,223 | |
| 16211 | otherwil3 | £ 1,893,225 | |
| 16212 | otherwil4 | £ 4,826,025 | |
| 16213 | otherwil5 | £ 829,030 | |
| 16214 | Ottawa | £ 44,778,874 | |
| 16215 | Otter | £ 43,181,655 | |
| 16216 | Ottoman Empire | £ 56,887,049 | |
| 16217 | OU812 | £ 295,697,174 | |
| 16218 | Ouija Industries | £ 345,812 | |
| 16219 | our butterfly | £ 1,134,896,288 | |
| 16220 | our differences | £ 297,126,355 | |
| 16221 | Our Discontent | £ 5,507,855 | |
| 16222 | Our Fathers | £ 116,143,694 | |
| 16223 | Our Golden Years | £ 908,659,300 | |
| 16224 | Our Good Name | £ 571,345,968 | |
| 16225 | Our Happy Memories | £ 34,408,558 | |
| 16226 | our judgement | £ 621,639,331 | |
| 16227 | our lifes | £ 464,291,926 | |
| 16228 | Our Lives | £ 60,309,789 | |
| 16229 | our Lord | £ 5,790,277 | |
| 16230 | Our Times | £ 1,742,749 | |
| 16231 | our universe | £ 611,100,154 | |
| 16232 | Ours | £ 646,156,600 | |
| 16233 | Ourselves | £ 91,484,866 | |
| 16234 | out | £ 85,981,569 | |
| 16235 | out of my face | £ 581,084,624 | |
| 16236 | Out of Nothing | £ 6,356,430 | |
| 16237 | Out Of The Blue | £ 946,989,643 | |
| 16238 | Out You Go | £ 39,675,860 | |
| 16239 | Outer Heaven | £ 58,665,319 | |
| 16240 | Outlandish Labs LLC | £ 1,478,185 | |
| 16241 | Outlaw | £ 10,047,120 | |
| 16242 | Outletsales | £ 1,793,596 | |
| 16243 | outlook responding | £ 411,573,738 | |
| 16244 | Outrageous Fortune | £ 210,155,594 | |
| 16245 | Outside Space | £ 4,334,369 | |
| 16246 | Outside the square | £ 132,440,879 | |
| 16247 | Outsourcing LLC | £ 4,372,708 | |
| 16248 | Outtathisworld plc | £ 1,236,092 | |
| 16249 | Ovation | £ 2,547,061 | |
| 16250 | over educated idiots | £ 146,454,095 | |
| 16251 | Over grown bush | £ 175,719,320 | |
| 16252 | Over Priced | £ 73,067,141 | |
| 16253 | overHelming | £ 491,414,184 | |
| 16254 | Overmeire | £ 5,506,415 | |
| 16255 | Overpoort | £ 2,764,404 | |
| 16256 | Override | £ 17,139,813 | |
| 16257 | overthinking | £ 10,529,502 | |
| 16258 | OverThor | £ 5,507,873 | |
| 16259 | Overwatch | £ 215,454,246 | |
| 16260 | Overwatch LTD | £ 57,470,387 | |
| 16261 | Overwhelming | £ 60,498,024 | |
| 16262 | Ovine Flu | £ 61,245,519 | |
| 16263 | ow3n pte ltd | £ 3,307,504 | |
| 16264 | Owens Enterprise | £ 1,346,837,431 | |
| 16265 | Owl | £ 237,452,023 | |
| 16266 | Owl Faux | £ 383,668 | |
| 16267 | Owls | £ 425,596,680 | |
| 16268 | owned | £ 5,486,100 | |
| 16269 | Owned2EU | £ -76,039,189 | |
| 16270 | Owned3EU | £ 2,813,019 | |
| 16271 | Owned4EU | £ -11,748,456 | |
| 16272 | Owner | £ 6,354,110 | |
| 16273 | Ownership | £ 116,288,445 | |
| 16274 | oWoTYRANNYoWo | £ 143,539,464 | |
| 16275 | OWWWW | £ 5,508,284 | |
| 16276 | Oxcide | £ 12,818,579 | |
| 16277 | Oxford | £ 205,487,202 | |
| 16278 | OXO | £ 627,787,564 | |
| 16279 | Oxtail Soup | £ 64,738,096 | |
| 16280 | Oxy Clean | £ 71,691,928 | |
| 16281 | OXYCODONE | £ 2,227,745,588 | |
| 16282 | Oxygen | £ 215,261,376 | |
| 16283 | Oxymoronisms | £ 1,396,632,980 | |
| 16284 | Oy The Billy Bumbler | £ 46,272,482 | |
| 16285 | Oz and Goodwin | £ 4,583,012 | |
| 16286 | Oz Racing | £ 5,502,594 | |
| 16287 | Oz. | £ 1,088,794,480 | |
| 16288 | Ozymandias | £ 29,843 | |
| 16289 | Ozz | £ 89,779,013 | |
| 16290 | P a p a r a z z i | £ 178,441,792 | |
| 16291 | P.A.F.C | £ 4,925,729 | |
| 16292 | P1GLTD | £ 19,292 | |
| 16293 | paal met bijen | £ 13,025,042 | |
| 16294 | Pabst | £ 52,512,217 | |
| 16295 | Pac-Mans Wrath | £ 37,103,581 | |
| 16296 | PACE | £ 70,619,715 | |
| 16297 | Pace and Power | £ 1,164,832,257 | |
| 16298 | PACE10000 | £ -134,527 | |
| 16299 | Pacha | £ 639,799,243 | |
| 16300 | Pacific Courier | £ 1,061,159,007 | |
