Oil gas and minerals
| site link | phone | |
| Oman Chlorine | Omancl2@omanchlorine.com | 24695839 |
| Oman Chromite Company | chromite@omantel.net.om | 26845115 |
| Oman Gas Company | info@oman-gas.com.om | 24681600 |
| Oman India Fertiliser Company | 0 | |
| Oman LNG | info@omanlng.co.om | 24609999 |
| Oman Methanol Company | 0 | |
| Oman Oil Company | ||
| Oman Oil Marketing Company | 24574100 | |
| Oman Oil Refineries and Petroleum Industries Company | careers@orpic.om | 26851000 |
| Oman Oilfields Supply Center | admin@oosc.net | 24602044 |