Established in 1966, First Alarm offers a range of security products and services. The company is engaged in the installation and monitoring of residential security systems. Headquartered in Aptos, Calif., it has a work force of more than 450 employees. First Alarm provides access control, and fire and intrusion detection systems. It serves schools districts, city and county government facilities and manufacturing plants. The company also offers a range patrol services and maintains one of its locations in San Jose, Calif.

Website: firstalarm.com

Phone: (408) 866-1111