About Us

About Us

Duncan Security Systems, Inc. is the oldest family-owned security company in Nashville, TN and is locally owned and operated. Our team of staff members are some of the most exceptionally skilled staff in the electronic security industry and several have been with the company for decades. We provide high-quality products from Honeywell and other well-known brands you can trust as well as unmatched service from our technicians. 

The Duncan name has always been known to provide personal and customized services for access control, burglar alarms, camera systems, fire alarms and other security products.  Joe Duncan, Jr., President, signed his first customer more than 45 years ago and continues to design custom security systems for his customers’ ever-changing needs.

Duncan Security offers trust and integrity from our family to yours.