Oil gas and minerals
| site link | phone | |
| MB Petroleum Services | mboman@mbpetroleum.co.om | 24580000 |
| MedEnergy | 24705830 | |
| Midwest Oilfield Services | ||
| Muscat Gases Company | info@mctgases.com | 24446030 |
| Muscat Marine & Oil Field Services LLC | muscatmarine@muscatmarine.com | 24496311 |
| National Gas Company | info@nationalgasco.net | 24446073 |
| National PetroTech | mail@nptechoman.com | 24568906 |
| Northern Minarals | info@nmc-oman.com | 24563343 |
| OIL FIELDS SUPPLY CENTRE LLC | ||
| OIS Oilfield Inspection | 0 |