Duncan Security Systems, a Tennessee licensed alarm contractor, is the leader when it comes to the latest electronic security technology. We consider the unique needs of each commercial client when providing intrusion, access control, camera surveillance or entire fire systems. We have carefully selected trusted industry brands such as Honeywell to ensure you are receiving quality products. Our camera systems can include remote viewing and a 30 day recorded history. Duncan is licensed in commercial fire alarms enabling us to offer comprehensive system design and providing you with 24/7 monitoring to meet codes, including sprinkler and extinguisher systems. Save your business the cost of a dedicated telephone line with our U.L. approved wireless radio signaling.