Download this free CIO Playbook to learn how advanced human resource management can make your HR a strong, competitive differentiator.
sentry (plural sentries) 1  A guard, particularly on duty at the entrance to a military base. ( 2 uncountable) Sentry duty; time spent being a sentry. ( 3 nautical) A form of drag to be towed underwater, which on striking bottom is upset and rises to the surface.
Sentry Insurance is one of the largest and strongest mutual insurance companies in the nation. We hold this position largely in part to our dedicated associates.