Casey in Granite City 5 reviews Granite City, IL Joined 2008/05/24 First Review 10/10 Alarm System Alarm Systems review in Granite City Over 10 years ago I needed a new alarm for my house because the neighborhood was being broken into. I was referred by a friend to go to Security Innovations. It was the best decision I had ever made. The were fast and courtious. Job Price Was this review helpful?