| اسم الشركة | البريد الالكتروني | الهاتف |
| OIL FIELDS SUPPLY CENTRE LLC | ||
| OIS Oilfield Inspection | 0 | |
| Oman Chlorine | Omancl2@omanchlorine.com | 24695839 |
| Oman Methanol Company | 0 | |
| Oman Oilfields Supply Center | admin@oosc.net | 24602044 |
| Oman Trading International | info@omantrading.com | 24403708 |
| oq | 0 | |
| OTIS | 0 | |
| Pentagon Freight | 0 | |
| Petrogas E&P | petrogas@petrogas.com.om | 24527900 |