United Nations Relief and Works Agency - UNRWA 4 Avis Muscat Al Ghalbi International Engineering and Contracting 2 Avis Muscat Sultan Bin Saud Bin Ahmed Al-Shidhani Trading Company LLC 1 Avis Muscat United Nations Institute for Training and Research - UNITAR 1 Avis International Omani Education and Training Investments - OETI 5 Avis Sohar Lire la suite