Dennis Sullivan and his team did an outstanding job in upgrading my home alarm system. We found the fire alarms in my home were never connected by the previous alarm company (Working Radius), so...

This was a problem with my security system (GE Concord 4 - 15 yrs old) Patrick showed up the same day and had the problem figured out in a short time. After fixing the problem he reviewed the...

We have used Dennis and his crew for video monitoring, alarms, and network cabling for several years. They are always professional, on time and complete work as requested. They have a good...