Find Phone number, Location Address and all other information of Security Guards Companies in Karachi Internet Security Systems Pvt. Ltd Karachi on Branches.pk, Pakistan’s Largest Branches Directory. You can contact them directly on Phone number +92-21-32428582, 32431588, 32431589, or you can visit their location in person, address location is: 48 Old Rally Building Talpur Road Off. I.I Chundrigar Road Karachi.