Oil gas and minerals
| site link | phone | |
| Abraj Energy Services | recruitment@abrajoman.com | 24509999 |
| Advanced Oilfield Technology Company | info@aotcglobal.com | 24503744 |
| Al Thuraya Mining LLC | info@althurayamining.com | 24503409 |
| Al-Abrar PetroGas LLC APG | apegas@omantel.net.om | 24504500 |
| Arabian Control Systems Company | acontrol@omantel.net.om | 24592750 |
| Arabian Oil & Gasfield Services L.L.C | info@arogasllc.com | 24501938 |
| Blue Star Enterprises | 0 | |
| Bowsher Petroleum | info@bpwsherps.com | 0 |
| BP | 24684000 | |
| Chemistry for Life | 0 |