National Security Industries

National Security is a State licensed, 24/7, professional security guard service agency. National Security's team prides itself as one of the top security guard companies in the Silicon Valley (San Jose Business Journal). Established in 1995, we meet the high demands of security in greater California, with offices in San Francisco, San Jose, Sacramento, Santa Cruz and San Diego. National Security provides service to a customer base in County contracts, City contracts, Public transportation, Water Treatment facilities, Airports, Aviation, Hospitals, Gas & Electric companies, Power Plants, Construction, Shopping Centers, Banks, & most other major industries.