| اسم الشركة | البريد الالكتروني | الهاتف |
| Gulf Services & Industrial Supplies Company | 0 | |
| Kawthar Services & Industrial Supplies | ||
| Majan Glass | mgglass@omantel.net.om | 26751654 |
| MAJEES LIGHTING INDUSTRIES LLC | info@majelite.com | 24492050 |
| Majis Industrial Services | 26852400 | |
| Metal Engineering LLC | info@metalengg.com | 24501569 |
| Modern Cold Industrialization | info@mci-oman.com | 24561652 |
| Muscat Steel | 0 | |
| MUSCAT THREAD MILLS | shahzad@mtm.com.om | 24446802 |
| National Aluminium Products Company | careers@napcooman.com | 24446453 |