The term federal agency is a noun phrase. Federal Agency means (1) an administrative unit of government.
The Quisto editorial staff has evaluated these websites and placed them in the Federal Agency information category.
The Federal Aviation Administration.
Federal Bureau of Investigation.
Food and Drug Administration.
U.S. Government Printing Office. Keeping America informed.
U.S. National Archives and Records Administration.
National Aeronautics and Space Administration.
U.S. Nuclear Regulatory Commission.