The federal Government of the United States empowers a wide range of law enforcement agencies to maintain law and public order related to matters affecting the country as a whole.

These agencies are a mixture of direct law enforcement agencies, for example the Federal Bureau of Investigation (FBI), regulatory authorities with law enforcement powers, for example the United States Environmental Protection Agency, and other agencies with police units, for example the United States Department of Veterans Affairs Police.


Federal law enforcement in the United States is well over two hundred years old. For example, the Postal Inspection Service can trace its origins back to 1772[1].

List of agencies and units of agenciesEdit

Department of Agriculture (USDA)Edit

Department of Commerce (DOC)Edit

Department of Defense (DOD)Edit

Department of the Air ForceEdit

Department of the ArmyEdit

Department of the NavyEdit

Department of EducationEdit

Department of Energy (DOE)Edit

Department of Health and Human ServicesEdit

Department of Homeland Security (DHS)Edit

CBP Officers pay tribute 2007

CBP officers at a ceremony in 2007

Department of Housing and Urban DevelopmentEdit

Department of the Interior (USDI)Edit

Department of Justice (USDOJ)Edit

Department of LaborEdit

Department of State (DOS)Edit

Department of TransportationEdit

Department of TreasuryEdit

Bureau of Engraving and Printing Police

A Bureau of Engraving and Printing Police (BEP) patrol car.

Department of Veterans AffairsEdit

United States Environmental Protection AgencyEdit

United States CongressEdit

Other Major Federal Law Enforcement AgenciesEdit


See alsoEdit

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