| اسم الشركة | البريد الالكتروني | الهاتف |
| Gulf Petrochemical Services & Trading | 0 | |
| Hydrom | 0 | |
| Linde Corrotech International LLC | [email protected] | |
| Maqshan Oil & Gas Services | 0 | |
| MB Holding Company | [email protected] | 24580580 |
| MedEnergy | 24705830 | |
| Muscat Gases Company | [email protected] | 24446030 |
| Northern Minarals | [email protected] | 24563343 |
| Oman Chlorine | [email protected] | 24695839 |
| Oman Methanol Company | 0 |
