Alarm Detection Systems Email Format

Security and InvestigationsIllinois, United States201-500 Employees

Alarm Detection Systems, Inc. (ADS) is a family-owned security and investigations company based in Aurora, Illinois. Founded in 1968, it designs, installs, upgrades, and services electronic security systems and provides 24/7 monitoring from a UL-listed central station in Aurora. The firm emphasizes safety for households and protection of commercial properties, tailoring its security solutions to meet each client's needs.

The company serves customers across Northern Illinois and neighboring states, providing around-the-clock monitoring and ongoing support. In June 2026 it introduced SEEKER, an AI-powered remote video monitoring platform that couples analytics with human oversight to detect and respond to threats in real time, accompanied by Mobile Defense Trailers to expand rapid deployment for outdoor or temporary environments.

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