Sentinel Security is celebrating 40 years of business (1976-2016). Sentinel is Washington County’s oldest security firm. We would like to thank all of our current and past customers for their business. We look forward to another 40 years of secure service!

Sentinel Security just finished security services at the Suburban Extended Stay Hotel Construction Site off the Jessop Exit, Washington, Pa. Sentinel provided 7 days a week security coverage without incident. Call Sentinel at 724-225-7957 to have your site secured!

Sentinel Security has been chosen for the 19th consecutive year to provide security for the 2015 Dick’s Sporting Good’s Pony League World Series. Ten teams from around the world begin play in Washington, Pa. on Friday August 7 through Wednesday August 12. Visit for more information.