Industry
| site link | phone | |
| National Plastic Factory | info@nationalplasticoman.com | 24811689 |
| North West Engineering | 0 | |
| Nuhas Oman | info@nuhasoman.com | 24449007 |
| OMAN ABRASIVES | 0 | |
| Oman Cables Industry | omancables@omancables.com | 24446464 |
| Oman cement | occ.jobs@omancement.com | 24437777 |
| oman chemicals | 0 | |
| Oman Concrete Products EST.L.L.C | sales@ocpblock.com | 24590701 |
| Oman Fiber Optics | 24448444 | |
| Oman Pharmaceutical Products | info@omanpharma.com | 23219296 |