Our business hours are 24 hours 7 days. More about us: licensed by new york state department of state division of licensing services, technical counter surveillance, (bug sweeps, phone taps, surveillance id, etc), counter corporate espionagelicensed, insured and bonded. Assisting customers in english. Our products and services include alarm & fire systems, alarms, background checks, card access systems (swipe card/ prox card, controls, investigations, investigative services guard & security services, missing persons and surveillance. We specialize in central station monitoring digital systems. We offer service in and around industrial, residential and commercial. Our certifications include licensed. Emergency services emergency service available.

Visit Website: www.nationalsecurityservice.com/