Fire Alarm Systems locations near Ontario, CA

Showing 1–10 of 10 results

This page indexes 10 fire alarm systems listings for Ontario, CA, covering 4 ZIP codes. Details on this page were last refreshed Aug 2026.

Advanced Direct Security- ADT Authorized Company

Alarm & Fire Systems Sensors

📍 Serving Your Area, Ontario, CA, 91761

📞 213-787-2991

🌐 www.alarm-home.com

ADT Monitored Home Security is America's number one home security company, with over 5 million customers and 130 years of experience. ADT has led the way in home security technology and offers state of the art monitoring from four interconnected ADT Monitoring Centers. ADT customers receive 24 hour a day, 7 days a week, 365 days a year customer service. Call now for ADT offers from Advanced Direct Security- ADT Authorized Company.

Updated Aug 2026

South Coast Fire Equipment Inc

Fire Protection Systems & Service

📍 2020 S Baker Ave, Ontario, CA, 91761

📞 909-673-9900

🌐 southcoastfire.net

South Coast Fire Equipment Inc is a fire protection systems and service provider located in Ontario, California. It has an active online presence as of 2026, indicating ongoing engagement with the community. Those in need of fire safety solutions can find this business serving the Ontario area.