DSI has been providing businesses and home owners in the Atlanta area with monitoring service since 2003. DSI can monitor your existing system for $ 15/month with a one year agreement. If you pay for monitoring service for a year in advance you will receive an additional discount of $ 2/month. Any referrals result in additional months of free service. Although our main focus is on security systems & monitoring services we do offer a wide variety of different services and continually adding services. Please visit our website or contact us to find out more about our company. We have thousands of referrals and will provide them upon request.