DEA Security Systems provides professional high-end residential, commercial, and enterprise security solutions throughout the San Francisco Bay Area. Our services include intrusion alarm systems; UL-certified fire alarm system design, installation, testing, inspection, and certification; access control and multi-tenant entry systems; AI-powered video surveillance; perimeter protection; intercom and gate entry solutions; and UL central station monitoring. We also offer Alarm.com smart... Read More about D E A Security Systems Co., Inc.

Security 101 - San Mateo provides integrated security systems and best-in-class solutions, including access control, video surveillance, intrusion detection, and visitor management. The Security 101 - San Mateo team uses the latest technology to engineer, install, operate, and maintain sophisticated solutions to commercial customers and provide excellent service.