Alarm Detection Systems

In business for over 40 years, ADS has developed into the largest independent security company headquartered in Illinois. We install, repair, and monitor the best security products in the alarm industry and were named the 2008 Central Station of the Year. We protect homes and businesses with alarm systems, fire protection, CCTV, and access control systems. ADS operates its own 5 Diamond Certified, UL-Listed, FM Approved Central Monitoring Station in Aurora, IL which offers a full complement of professional monitoring services. Along with the ability to professionally plan, design, install, upgrade, service, and support all electronic fire and security systems, ADS operates a full-service locksmith and safe division located on the Aurora business campus.