The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 16201 | OLafa | £ 5,088,982 | |
| 16202 | Oland Ltd | £ 50,000 | |
| 16203 | Olay | £ 326,245,749 | |
| 16204 | Old | £ 1,209,188,042 | |
| 16205 | Old Age | £ 428,870,365 | |
| 16206 | Old Antique | £ 154,557,613 | |
| 16207 | Old Bay | £ 123,534,579 | |
| 16208 | Old Bill | £ 45,792,842 | |
| 16209 | Old Boss | £ 15,094,253 | |
| 16210 | Old Carpet | £ 163,972,008 | |
| 16211 | Old company names | £ 1,142,585,916 | |
| 16212 | old farts | £ 3,542,428,093 | |
| 16213 | Old Feuds | £ 44,696,704 | |
| 16214 | Old Gods Not The New | £ 1,476,632 | |
| 16215 | Old Granny | £ 9,329,769 | |
| 16216 | old lard | £ -7,521,344 | |
| 16217 | old legends | £ 14,735,844 | |
| 16218 | Old men | £ 397,899,239 | |
| 16219 | Old Nana | £ 3,240,927 | |
| 16220 | Old No. 7 | £ 749,759,055 | |
| 16221 | Old people | £ 41,298,004 | |
| 16222 | Old Rocker | £ 416,345,265 | |
| 16223 | Old School | £ 5,514,041 | |
| 16224 | old skool butta | £ 614,087 | |
| 16225 | Old Smoky | £ 622,122,584 | |
| 16226 | Old Socks | £ 144,379,758 | |
| 16227 | Old Spice | £ 626,219,644 | |
| 16228 | old to netro | £ 80,731,925 | |
| 16229 | Old tyres | £ 54,000,053 | |
| 16230 | Old Whiskey | £ 78,899,948 | |
| 16231 | Old Wisteria | £ 51,324,515 | |
| 16232 | Old World Industry | £ 1,734,908 | |
| 16233 | Old World Ventures | £ 50,000 | |
| 16234 | OlDirty | £ 47,991,916 | |
| 16235 | oldschool | £ 125,860,243 | |
| 16236 | Oligarchy | £ 1,026,818,237 | |
| 16237 | Oligarchy inc. | £ 7,116,723 | |
| 16238 | olis | £ 91,036,818 | |
| 16239 | Olivers Imagination | £ 124,320,555 | |
| 16240 | olives | £ 568,111,602 | |
| 16241 | Olives ltd | £ 2,575,542 | |
| 16242 | Ollio Inc. | £ 6,159,098 | |
| 16243 | Ollio2 Inc. | £ -2,232,039 | |
| 16244 | Ollio3 Inc. | £ -680,853 | |
| 16245 | Olrik | £ 22,147,425 | |
| 16246 | Olympia | £ 120,149,655 | |
| 16247 | Olympiazuli | £ 35,190,242 | |
| 16248 | olympic rings | £ 3,084,696,830 | |
| 16249 | Olympics | £ 5,508,747 | |
| 16250 | Olympus | £ 2,084,999,378 | |
| 16251 | OMD | £ 339,034,023 | |
| 16252 | Omega | £ 6,183,955 | |
| 16253 | Omega Indusries | £ 37,799 | |
| 16254 | OmegaFox Inc. | £ 1,266,634 | |
| 16255 | Omens | £ 1,460,298,609 | |
| 16256 | Omerta | £ 1,007,186,123 | |
| 16257 | Omerta Inc. | £ 5,500,096 | |
| 16258 | OMG I Need Help | £ 45,831,576 | |
| 16259 | omission | £ 258,806,447 | |
| 16260 | Omni Consumer Products | £ 32,296,370 | |
| 16261 | Omni Future Corp 1 | £ 855,512,970 | |
| 16262 | omni4 | £ 1,185,151 | |
| 16263 | OmniCorp | £ 5,503,691 | |
| 16264 | Omnifarious | £ 2,360,838,488 | |
| 16265 | Omnificent | £ 2,321,277,749 | |
| 16266 | Omnipotent | £ 2,218,375,349 | |
| 16267 | Omnipresent | £ 2,257,248,277 | |
| 16268 | Omniscient | £ 2,478,385,168 | |
| 16269 | Omnitool | £ 4,640,506 | |
| 16270 | on a stick | £ 13,410 | |
| 16271 | On Industries | £ 1,896,074 | |
| 16272 | On It | £ 59,533,659 | |
| 16273 | On My Mind | £ 87,748,385 | |
| 16274 | ON PATCHWERK | £ 399,366,790 | |
| 16275 | On Patrol | £ 8,690,460 | |
| 16276 | On The Fritz | £ 79,242,996 | |
| 16277 | on the hills | £ 58,005,665 | |
| 16278 | On the move | £ 144,453,102 | |
| 16279 | on the road | £ 405,722,546 | |
| 16280 | on yourself | £ 126,998,452 | |
| 16281 | Once In A Blue Moon | £ 47,760,325 | |
| 16282 | Once Upon a Time | £ 24,760,937 | |
| 16283 | Once Were Warriors | £ 54,754,263 | |
| 16284 | one | £ 341,379,992 | |
| 16285 | One and a Half | £ 8,610,014,000 | |
| 16286 | One Body | £ 6,403,791 | |
| 16287 | One Company | £ 398,709,264 | |
| 16288 | One Company Rule | £ 42,242,256 | |
| 16289 | one dollar company | £ 40,885,349 | |
| 16290 | One Enterprise | £ 5,940,523 | |
| 16291 | One Eyed Three Leg Dog | £ 63,605,247 | |
| 16292 | One gun | £ 1,381,284,458 | |
| 16293 | One Hit Wonder | £ 30,087,678 | |
| 16294 | One Hundred Netro Bucks | £ 132,828,467 | |
| 16295 | One Insane Rastaman | £ 273,250,880 | |
| 16296 | one love | £ 3,838,898 | |
| 16297 | one man crying | £ 1,050,939,923 | |
| 16298 | One Million | £ 174,411,956 | |
| 16299 | One Mind | £ -5,139,455 | |
| 16300 | one more wont hurt | £ 49,311,972 | |
