Home Services Contact Us Serving St. Clair County Since 1979 Security - And Peace of Mind Security systems designed to fit YOUR needs. Protect the things and people you care the most about. Since 1979, MDK Alarm has offered the best in state of the art protection for home and business.. Read More Co...

Home Services Contact Us Serving St. Clair County Since 1979 Security - And Peace of Mind MDK Alarm Systems Offers the Following Services: Residential / Commercial Burglar Alarm Systems Fire Alarm Systems Sprinkler System Supervision High Water Flood Detection Low Temperature Monitoring Gas Leak Det...