Find Phone number, Location Address and all other information of Construction Companies in Islamabad Mumtaz Construction Company ( Pvt) Ltd. Islamabad on Branches.pk, Pakistan’s Largest Branches Directory. You can contact them directly on Phone number +92-51-4441796, or you can visit their location in person, address location is: Plot # 113, Street # 8, Sector I-10/3, Industrial Area, Islamabad.