INDUSTRIES WE SERVE
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 , Los angeles, Orange County and San Diego. Our headquarters are in San Jose.
We serve all industries, including:
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