Sentinel Protection Agency in Baltimore, MD serves customers. We offer services in Security Guard & Patrol Services. We specialize in Security Services. Our Hours of Operation are: Mon Open 24 Hours, Tue Open 24 Hours, Wed Open 24 Hours, Thu Open 24 Hours, Fri Open 24 Hours, Sat Open 24 Hours, Sun Open 24 Hours We are happy to serve multilingual customers We accept the following forms of...