Khobar (Head Office) : Dhahran Road - Beside Al-Rashed Mall
P.O. Box 718 Dammam 31421 - KSA
Tel.: +966 3 8942255 Fax: +966 3 8940927

Dammam : King Khalid St., ATCO Building .
Jeddah : Al Jameah District , Opposite King Abdul Aziz University.
Tel.:+966 2 6343555 - Fax : +966 2 6337793
Riyadh: To open soon.
E-mail: info@o1s.com