Master Security Co.

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Established in 1957, Master Security is one of the leading providers of security services to the government and private sectors. It offers services to a variety of federal, state and local government agencies. The company provides project management services and armed and unarmed security officers. Master Security serves the U.S. Department of Homeland Security, U.S. Department of Defense, U.S. Department of Health and Human Services, and the U.S. Department of Labor. The company also has a security technology division, which offers a range of guard services. Additionally, Master Security provides a variety of access control and remote monitoring services.