United States Defense Advanced Research Projects Agency;
United States Defense Threat Reduction Agency;
United States Department of Agriculture;
United States Department of the Air Force;
United States Department of the Army;
United States Department of Energy;
United States Department of Health and Human Services;
United States Department of Interior;
United States Department of Labor;
United States Department of the Navy;
United States Department of Transportation;
United States General Services Administration;
United States Missile Defense Agency; and
United States National Aeronautics and Space Administration.
48 C.F.R. §§29.401-4