Commercial and Residential Security Solutions American Alarm Systems is a local, family-owned and operated Southern California security systems provider. We design, install, service, and monitor security systems, fire alarm systems, video surveillance systems, access control systems, and many other cutting-edge security solutions. Rather than taking a chance with a national security company that provides impersonal service, countless households and businesses throughout Southern California trust American Alarm Systems to provide them with the all-inclusive security solutions they deserve.