Welcome to S.E.M. Security Systems your full service Electronic Security Company serving New York and New Jersey for all your Home and Business needs. We are experts in designing, installing and Monitoring, Burglar Alarms, Security Systems, Certified in Fire Alarms, Camera Systems, CCTV, Access Control, and more.
Here at S.E.M. every customer gets
Seth MacGregor —
I dealt with the owner who was extremely arrogant. I recommend finding a local family company who will appreciate your business