Find Phone number, Location Address and all other information of Construction Companies in Islamabad Ghosia Builders (Pvt) Ltd. Islamabad on Branches.pk, Pakistan’s Largest Branches Directory. You can contact them directly on Phone number +92-51-2806046, or you can visit their location in person, address location is: Office# 8, Balochistan plaza, Fazal-E-Haq Road, Off. G-7/F-7, Blue Area, Islamabad.