Dhiaffa - National Omani Hotels Company 1 Avis Al-Seeb Civil Defence and Ambulance Authority 2 Avis Muscat Al Kawn Office for Certified Public Accountants 6 Avis Muscat United Nations Office for Project Services - UNOPS 62 Avis Muscat Universal Postal Union - UPU 22 Avis International Lire la suite