We offer Security Alarm Systems for home and for business, as well as CCTV Surveillance Camera Systems, with: Value Pricing; Quality and Friendly Service and Timely Installation. Our geographical service area is Southern California. Guardian Security is a division of Metro Fire Systems, Inc. We are located at 7520 Deering Avenue, Canoga Park, CA, which is near the intersection of Canoga Avenue and Saticoy Street in the San Fernando Valley section of the City of Los Angeles.