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Defense Security Service (DSS)

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.

Contact the Agency or Department

Website: Defense Security Service (DSS)

E-mail:

Address: 10430 Furnace Rd
Suite 101

Lorton, VA 22079

Toll-free: (888) 282-7682