San Mateo Security Guard Schools 2015 Pioneer Ct The private security officers of First Security Services offer around-the-clock communications support of the highest caliber, a service for which we have been rated as the best in all of California.

Our services have been independently audited and evaluated by CALSAGA, the California Association of Licensed Security Agencies, Guards and Associates. First Security Services was awarded the highest professional rating of “Certified Security Services Provider” by CALSAGA and we are the only contract security company in all of California to have received such a rating.

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