Corporate Head Office Online Systems and Communications Karkar Building, Behind Silver Tower 25/26, Prince Abdul Mohzin Street PO Box: 79623, Al Khobar 31952 Kingdom of Saudi Arabia Mob: +966 50 999 0470 Fax: +966 13 895 4878 Email: info@os.com.sa
Online Systems and Communications Suite # 1108, Gulf Business Centre, Road 1708, 11th Floor, Al Salam Tower,Building 722, Diplomatic Area,Manama, 317, kingdom of Bahrain Mob:- +973 3910 4758 Email: bh@os.com.sa