entreprises
| Nom | Type | Notoriété | Popularité |
|---|---|---|---|
| Orkney Ferries | Organisation | 3 | 0.0 |
| Orkuveita Reykjavíkur | Organisation | 5 | 0.8 |
| Orlane | Organisation | 2 | 1.0 |
| Orleans Hotel-casino | Bâtiment | 7 | 1.3 |
| Orlen Unipetrol | Organisation | 13 | 1.0 |
| Orléans Express | Organisation | 4 | 4.1 |
| Ornua | Organisation | 5 | 0.7 |
| Orrick, Herrington & Sutcliffe | Organisation | 6 | 5.7 |
| Orrön Energy | Organisation | 12 | 1.4 |
| Orsi Trattori | Organisation | 4 | 0.4 |
| Orsyp | Organisation | 1 | 1.7 |
| Orsys | Organisation | 1 | 0.0 |
| Ortel Mobile | Organisation | 2 | 3.9 |
| Ortiz Gaming | Organisation | 7 | 0.0 |
| Ortronics | Organisation | 2 | 0.0 |
| Orville By Gibson | Organisation | 7 | 4.1 |
| Oryx Motors | Organisation | 1 | 0.0 |
| Orège | Organisation | 1 | 0.5 |
| Osaka Gas | Organisation | 12 | 1.3 |
| Osaka Titanium Technologies | Organisation | 5 | 0.1 |
| Oscar Mayer | Organisation | 10 | 3.7 |
| Oscar Wilde Bookshop | Bâtiment | 12 | 0.0 |
| Oscaro | Organisation | 5 | 147.7 |
| Oscilloquartz Sa | Organisation | 2 | 0.6 |
| Osem | Organisation | 20 | 2.5 |
| Oshan | Organisation | 5 | 0.2 |
| Oshkosh Corporation | Organisation | 25 | 13.6 |
| Oshkosh Northwestern | Organisation | 3 | 0.0 |
| Osiatis | Organisation | 1 | 11.4 |
| Osiris | Organisation | 7 | 2.6 |
| Osr France | Organisation | 1 | 3.7 |
| Osram | Organisation | 32 | 15.0 |
| Ostendi | Organisation | 1 | 0.3 |
| Osteria Fratelli Menghi | Organisation | 2 | 0.0 |
| Ostheimer | Organisation | 2 | 0.3 |
| Ostindustrie | Organisation | 9 | 0.2 |
| Ostwind | Organisation | 1 | 0.7 |
| Osuuskauppa Hämeenmaa | Organisation | 2 | 0.0 |
| Oswald | Organisation | 1 | 0.9 |
| Osx | Organisation | 2 | 1.0 |
| Oséo | Organisation | 2 | 32.2 |
| Otard | Organisation | 5 | 4.0 |
| Otb Group | Organisation | 6 | 8.1 |
| Otc Bulletin Board | Organisation | 10 | 3.4 |
| Otc Markets Group | Organisation | 9 | 12.8 |
| Ote | Organisation | 18 | 3.5 |
| Othram | Organisation | 2 | 0.0 |
| Oticon | Organisation | 13 | 1.2 |
| Otis Elevator Company | Organisation | 31 | 43.9 |
| Oto Melara Spa | Organisation | 20 | 14.4 |