https://pressroom.prlog.org/SentrySecurity/ About Sentry Security Systems Inc. - We are a manufacturer and distributor of analog and network video surveillance solutions. https://www.prlog.org/12120709-sentry-security-systems-inc-takes-aim-at-large-retailers-who-took-business-from-security-dealers.html Sentry Security Systems Inc. has launched an NVR that provides security dealers and installers with the ability to leverage a growing market - end users opting to buy surveillance from large retailersWed, 17 Apr 2013 19:35:56 GMT