UOA is an oldest established firm handling TOA Public Address and Voice Evacuation System products as a Sole distributor since 1963. We also providing ELV Solution in fire and security System with after sales service warranty backup in Pakistan. We have fully equipped 3 showrooms with full trained and certified Engineering team including professional sales team, engineers, technicians, logistics situated in the main market at heart of the Karachi city who are always busy in making sales and support to our valuable clients / consultants including Navy, Army, Air force, Airports, Transport stations, high rise buildings, oil and gas field, school, collages, Banks, Hospitals, auditoriums, House of worship, chain of depart store from restaurant to boutiques, etc etc giving satisfactory sales and after sales support to over 19000 projects country wide by our professional teams for years under the 3rd generation leaders of family own business.