ABOUT US

The true measure of a company is the reliability and experience of it's staff and products. Illinois Security Alarms, Ltd, excels in the field of commercial and residential protection. We are constantly enhancing our already exceptional systems, with research and by constantly adding the latest technologies and techniques to our     product lines.

Illinois Security Alarms, LTD. (ISA) is a licensed alarm & CCTV sales, lease, and installation company. It was introduced as a division of Illinois Security Services, Inc. (ISS) in the early 1990's to enhance security personnel operations and to provide electronic security.

Since its inception, it has developed into a stand-alone company and has serviced a wide array of electronic security clients. In the mid 1990’s ISA partnered with ADT Security Services as an ADT Authorized Dealer to offer the highest rated electronic security equipment as well as the highest rated security alarm monitoring in the world.