Find Phone number, Location Address and all other information of Construction Companies in Karachi Rana Umar Construction Company Karachi on Branches.pk, Pakistan’s Largest Branches Directory. You can contact them directly on Phone number +92-300-2363125, or you can visit their location in person, address location is: Plot No. 1648, Street No. 9, Zia Colony, Korangi Crossing, Karachi..