Directory of 1885 state-licensed private security and guard companies across 13 US cities. Compare security guards, executive protection, monitoring and corporate services — free quotes.
California
Los Angeles is the largest private security market on the West Coast.
928 companiesIllinois
Chicago is the Midwest's largest security market.
224 companiesCalifornia
Sacramento, California's capital, combines state government facilities, healthcare campuses, and a growing downtown commercial core.
119 companiesCalifornia
San Diego's security market is shaped by its military and defense presence, biotech and research campuses, the cross-border trade corridor at Otay Mesa, and a large hospitality sector along the waterfront and in the Gaslamp Quarter.
99 companiesCalifornia
San Jose anchors Silicon Valley, where corporate campuses, data centers, and R&D facilities drive some of the most sophisticated commercial security requirements in the country.
84 companiesCalifornia
Riverside sits at the heart of the Inland Empire, one of the largest warehouse and logistics clusters in North America.
72 companiesCalifornia
San Francisco concentrates corporate headquarters, financial services, and a dense downtown retail core that has made loss prevention and storefront security a top priority in recent years.
70 companiesCalifornia
Irvine is Orange County's master-planned corporate hub, home to regional headquarters, business parks, and research campuses.
59 companiesCalifornia
Fresno is the commercial center of California's Central Valley, where agriculture, food processing, and distribution dominate the economy.
57 companiesCalifornia
Anaheim's security market revolves around its convention and entertainment economy — the Anaheim Convention Center, major sports venues, and the resort district generate constant event security and crowd management work.
54 companiesCalifornia
Bakersfield serves Kern County's energy and agriculture economy.
45 companiesCalifornia
Oakland combines one of the busiest container ports on the West Coast with dense commercial districts and industrial zones along the I-880 corridor.
37 companiesCalifornia
Long Beach pairs the nation's second-busiest container port with a large downtown, healthcare campuses, and event venues along the waterfront.
37 companiesState directories of private security companies, grouped by US region.
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