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  • Smith Thompson Security Systems
    Smith Thompson Security Systems
    (972) 393-2000
    113 Trailwood Lane, 75019  Coppell

    Smith Thompson Security Systems is a family owned and operated full service alarm company protecting thousands of families and businesses in the Dallas/Ft. Worth metroplex since 1978. Unlike most of our competitors, our 24-hour U.L. Approved Central Monitoring Center is located in Plano, Texas prov…