Nas Al-Khaleej General Contracting Establishment (NASCO) أغسطس 3, 2018 دليل هاتف السعودية 12 - خدمة العملاء stc, Equipment & Clothing, Safety Systems, Services Nas Al-Khaleej General Contracting Establishment (NASCO) Category(s): Safety Systems, Services, Equipment & Clothing, Security Guard Khobar, Al Khobar Universal Access Number: 9200-27172