A-Tech Systems is family-owned and operated and has been in business for over 20 years. We take pride in the service, installation, and testing that we provide to our customers. We offer Regulation Four Testing, Fire Alarm Monitoring, Low Voltage, CCTV, and Card Access. We provide functionality and customized flexibility for your business needs, from educational, hospital, industrial, commercial complexes, high-rise buildings to retail, institutional establishments, and historic buildings. We service the following areas San Diego County, Riverside County, Orange County, Los Angeles County, and Ventura County.