Alarm Detection Systems, Inc.



About Us

Founded in 1968, Alarm Detection Systems is one of the largest private/family owned alarm companies in the United States. Expert engineering, installation , monitoring, testing and repair of fire, burglar, access control and video systems. Few companies can integrate your security needs into one service provider like ADS. Based in Aurora, Illinois, we are proud to invite our clients and prospects to tour our campus. Our award winning emergency monitoring center remains a leader across America. Our fleet of technicians are visible day and night throughout N. Illinois, NW Indiana and S. Wisconsin to serve our large customer base. Our 250 full-time local based employees have state of the art training to match the best equipment offered for securing your home and work. We can provide you with references from every user type that requires security. Shop local !