Sentry is recognized as an industry leader in electronic security system installation, integration and service. Based in Delaware County, Pennsylvania since 1985, we primarily serve the Mid Atlantic Region specializing in Commercial and Industrial Access Control, CCTV, ID Badging, Fire Alarm and Burglar Alarm Systems. Our focus is to provide our customers with the absolute best service in the industry and believe that coupling excellent and prompt service with quality components sets us apart as an industry leader, earning you as a customer for life.If we can assist you in any way, or answer any questions you may have, please feel free to call us, or contact us today.
Security Through Technology