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Bay Alarm, Inc.
Bay Alarm Company is the largest independently owned and operated alarm company in California, protecting more than 100,000 residential and commercial customers.Bay Alarm Company is the largest independently owned and operated alarm company in California, protecting more than 100,000 residential and commercial customers.
Denalect Alarm
Locally owned since 1969, Denalect provides custom security systems for homes, businesses, and schools across Northern California—offering expert service, fast response, and peace of mind.Locally owned since 1969, Denalect provides custom security systems for homes, businesses, and schools across Northern California—offering expert service, fast response, and peace of mind.
Guardian Security Agency
Concord-based security firm protecting homes, businesses, and communities since 1992. Offers on-site guards, patrols, and custom solutions with 24/7 service and 40+ years’ expertise.Concord-based security firm protecting homes, businesses, and communities since 1992. Offers on-site guards, patrols, and custom solutions with 24/7 service and 40+ years’ expertise.
