SDI has been providing reliable and trustworthy security solutions to homes and businesses in the Tri State Area for well over 20 years now. We pride ourselves on bringing the latest in security technologies to our customer as it becomes available and proven effective. We treat your home as if it was our home. You can be assured that each of our valuable staff members will provide courteous, professional service whether in your home or on the phone. Your satisfaction is our top priority. And with SDI, you can always reach the boss if you need to – John DiVeronica. Try that with those ‘other’ security guys!