| اسم الشركة | البريد الالكتروني | الهاتف |
| Gulf mining | 0 | |
| Gulf OilFields & Industrial Supplies | 0 | |
| Gulf Petrochemical Services & Trading | 0 | |
| Hamed International | hint274@omantel.co.om | 24696757 |
| Linde Corrotech International LLC | an@lindecorrotech.com | |
| Majan International Petroleum Services | 0 | |
| Maqshan Oil & Gas Services | 0 | |
| MB Holding Company | mboman@mbholdingco.com | 24580580 |
| MedEnergy | 24705830 | |
| Midwest Oilfield Services |