Operation and Maintenance Department in Al-Kharj and Al-Silyl 32 Avis Al-Kharj Department of Engineering and Works Administration in Dhahran 2 Avis Dhahran Zulfi Municipality 89 Avis Riyadh King Abdulaziz University 507 Avis Jeddah Qassim Chamber 4 Avis Al-Qassim Lire la suite