The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 16201 | Ohtaku inc | £ 3,600,029 | |
| 16202 | Ohtaku inc1 | £ 4,456,703 | |
| 16203 | Ohtaku inc2 | £ 1,267,353 | |
| 16204 | Ohtaku inc3 | £ 4,191,984 | |
| 16205 | Ohtaku inc4 | £ 4,118,968 | |
| 16206 | ohyesyesh | £ 50,000 | |
| 16207 | Oil | £ 833,968,470 | |
| 16208 | Oil CONGLOMO | £ 2,646,845 | |
| 16209 | Oil Field | £ 271,568 | |
| 16210 | Oil First | £ 49,880 | |
| 16211 | Oil Inc | £ 1,610,027 | |
| 16212 | Oil Industry | £ 4,441,721 | |
| 16213 | Oil Rigger | £ 2,151,587,047 | |
| 16214 | Oil Tycoon | £ 5,374,700 | |
| 16215 | Oilfield Industries | £ 9,854,297 | |
| 16216 | oiu | £ 5,498,037 | |
| 16217 | OJ da Juiceman | £ 109,855 | |
| 16218 | OK Tom | £ 213,436,455 | |
| 16219 | OKFurniture | £ 50,000 | |
| 16220 | OKG Shed | £ -329,334 | |
| 16221 | Oklahoma | £ 5,708,023 | |
| 16222 | OKS 1 PTE LTD | £ 50,000 | |
| 16223 | OKS PTE LTD | £ 2,148,676 | |
| 16224 | OLafa | £ 5,088,982 | |
| 16225 | Oland Ltd | £ 50,000 | |
| 16226 | Olay | £ 326,245,749 | |
| 16227 | Old | £ 1,083,552,354 | |
| 16228 | Old Age | £ 428,870,365 | |
| 16229 | Old Antique | £ 14,761,173 | |
| 16230 | Old Bay | £ 123,534,579 | |
| 16231 | Old Bill | £ 45,792,842 | |
| 16232 | Old Boss | £ 15,094,253 | |
| 16233 | Old Carpet | £ 163,972,008 | |
| 16234 | Old company names | £ 1,140,094,033 | |
| 16235 | old farts | £ 3,542,428,093 | |
| 16236 | Old Feuds | £ 44,696,704 | |
| 16237 | Old Granny | £ 9,329,769 | |
| 16238 | old lard | £ -7,521,344 | |
| 16239 | old legends | £ 14,735,844 | |
| 16240 | Old men | £ 397,899,239 | |
| 16241 | Old No. 7 | £ 749,759,055 | |
| 16242 | Old people | £ 41,298,004 | |
| 16243 | Old Rocker | £ 416,345,265 | |
| 16244 | Old School | £ 5,514,041 | |
| 16245 | old skool butta | £ 614,087 | |
| 16246 | Old Smoky | £ 622,122,584 | |
| 16247 | Old Socks | £ 144,379,758 | |
| 16248 | Old Spice | £ 574,112,088 | |
| 16249 | old to netro | £ 80,731,925 | |
| 16250 | Old tyres | £ 54,000,053 | |
| 16251 | Old Whiskey | £ 78,899,948 | |
| 16252 | Old Wisteria | £ 51,324,515 | |
| 16253 | Old World Industry | £ 1,734,908 | |
| 16254 | Old World Ventures | £ 50,000 | |
| 16255 | OlDirty | £ 47,991,916 | |
| 16256 | oldschool | £ 121,302,173 | |
| 16257 | Oligarchy | £ 1,025,812,714 | |
| 16258 | Oligarchy inc. | £ 7,116,723 | |
| 16259 | olis | £ 91,036,818 | |
| 16260 | Olivers Imagination | £ 124,320,555 | |
| 16261 | olives | £ 568,111,602 | |
| 16262 | Olives ltd | £ 2,575,542 | |
| 16263 | Ollio Inc. | £ 6,159,098 | |
| 16264 | Ollio2 Inc. | £ -2,232,039 | |
| 16265 | Ollio3 Inc. | £ -680,853 | |
| 16266 | Olrik | £ 22,147,425 | |
| 16267 | Olympia | £ 112,782,553 | |
| 16268 | olympic rings | £ 3,084,696,830 | |
| 16269 | Olympics | £ 5,508,747 | |
| 16270 | Olympus | £ 2,084,999,378 | |
| 16271 | OMD | £ 333,034,023 | |
| 16272 | Omega | £ 6,183,955 | |
| 16273 | Omega Indusries | £ 37,799 | |
| 16274 | OmegaFox Inc. | £ 1,266,634 | |
| 16275 | Omens | £ 1,378,534,238 | |
| 16276 | Omerta | £ 1,007,186,123 | |
| 16277 | Omerta Inc. | £ 5,500,096 | |
| 16278 | omission | £ 101,527,947 | |
| 16279 | Omni | £ 26,585,058 | |
| 16280 | Omni Consumer Products | £ 32,296,370 | |
| 16281 | Omni Future Corp 1 | £ 855,512,970 | |
| 16282 | omni4 | £ 1,185,151 | |
| 16283 | Omnia | £ 29,796,207 | |
| 16284 | OmniCorp | £ 5,503,691 | |
| 16285 | Omnifarious | £ 2,360,838,488 | |
| 16286 | Omnificent | £ 2,321,277,749 | |
| 16287 | Omnipotent | £ 2,218,375,349 | |
| 16288 | Omnipresent | £ 2,257,248,277 | |
| 16289 | Omniscient | £ 2,478,385,168 | |
| 16290 | Omnitool | £ 4,640,506 | |
| 16291 | on a stick | £ 13,410 | |
| 16292 | On Industries | £ 1,896,074 | |
| 16293 | On It | £ 59,533,659 | |
| 16294 | On My Mind | £ 87,748,385 | |
| 16295 | ON PATCHWERK | £ 399,366,790 | |
| 16296 | On Patrol | £ 148,087,996 | |
| 16297 | On The Fritz | £ 79,242,996 | |
| 16298 | On the move | £ 144,453,102 | |
| 16299 | on the road | £ 405,722,546 | |
| 16300 | on yourself | £ 126,998,452 | |
