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Defense Security Service

The Defense Security Service provides security for the Department of Defense and a number of other federal agencies. This includes providing industrial security oversight and assistance for contractor facilities.

Agency Details


Defense Security Service


Contact the Defense Security Service

Main Address:

10430 Furnace Rd.
Suite 101
Lorton, VA 22079


Toll Free:


Government branch:

Executive Department Sub-Office/Agency/Bureau

Parent Agency

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