A comprehensive list of Methuen, MA based companies offering installation, maintenance and repair of home and business security systems, CCTV & burglar alarms and video surveillance services. 
Convenient options for web-based and on-site training, delivered by experienced college professors that are certified by the Massachusetts Criminal Justice Training Counsel. Extensive range of services including: Security Guard Service, Public Safety Service, Surveillance/Video Surveillance, Hidden Camera Specialists, Worker's Compensation Cases, and Corporate Theft, Trainings, Accident Investigations
Mark Mexcur — My experience with EIS has been nothing but professionalism and customer priority. They do things the best way possible even