A comprehensive list of Port Huron, MI based companies offering installation, maintenance and repair of home and business security systems, CCTV & burglar alarms and video surveillance services. 
Caring enough to aid the smallest client. Expert enough to aid the biggest. Protect the things and people you care the most about. Systems designed to fit YOUR requirements! We supply closed circuit surveillance systems. Since 1979 MDK Alarm Systems inc. has provided the finest in state of the art protection for business or home.
Cornelius Gleason — Great local company who will go above and beyond to make sure customers are happy with the work. Kevin and James are super
DYCK Security Services has been an industry leader in home and business protection since 1951. Our team is trained using nationally recognized standards accepted by Underwriters Laboratories UL. DYCK Security is your 1st line of defense in protecting your home, family members and business against burglary, fire and medical emergencies.
Ted Barrett — Marty and his crew do an outstanding job! Locally owned company that specializes in helping the residents of St Clair county