M.C. Dean, Inc HQ

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 Established in 1949, M.C. Dean is one of the leading engineering and integration firms in the United States. It serves various corporations, universities, biotechnology firms, and federal, state and local government clients. The company provides a variety of solutions and services for power, security, electronics and telecommunications systems. M.C. Dean offers design-build and power systems construction, testing and maintenance services. It also provides detection and alarm, fire prevention, closed-circuit television, access control and intrusion detection systems installation services. The company additionally offers systems design, programming and documentation, control panel design, and system start-up, calibration and maintenance services. M.C. Dean has more than 3,000 employees in over 30 offices in the southeast and mid-Atlantic United States, as well as Europe and the Middle East. The company serves various clients, including the U.S Department of Defense, Metropolitan Atlanta Rapid Transit Authority, Metropolitan Washington Airports Authority, the Department of State, Georgia Power and Johns Hopkins University. M.C. Dean's headquarters is in Dulles, Va.