About Us

Per Mar Security Services was founded in Davenport, Iowa in 1953 by John and Eleanor Duffy. To this day, Per Mar is still based in Davenport, Iowa and has grown to be the largest family-owned, full-service security company in the Midwest. We specialize in affordable, custom security solutions for homes and businesses including smart home security, business security, professional alarm monitoring, security officer services, investigative services and background checks.