FBI : Federal Bureau of Investigation

===Executive Branch=======Department of Agriculture (USDA)====* Office of Inspector General (USDAOIG)* United States Forest Service (USFS)** U.S. Forest Service Law Enforcement and Investigations (USFSLEI)====Department of Commerce (DOC)====* Bureau of Industry and Security (BIS)** Office of Export Enforcement (OEE)* National Institute of Standards and Technology (NIST)** National Institute of Standards and Technology Police (NIST Police)* National Oceanic and Atmospheric Administration (NOAA)** National Marine Fisheries Service (NMFS)** * National Oceanic and Atmospheric Administration Fisheries Office for Law Enforcement (OLE)* Department of Commerce Office of Security (DOCOS)* Department of Commerce Office of Inspector General (DOCOIG)====Department of Defense====* Office of Inspector General (DODOIG)** Defense Criminal Investigative Service (DCIS)* Pentagon Force Protection Agency (PFPA)** United States Pentagon Police (USPPD)* Department of Defense Police* '"Defense Logistics Agency Police (DLA)* "'National Security Agency Police (NSA)* '"Defense Intelligence Agency Police (DIA)* "'National Geospatial-Intelligence Agency Police (NGA)* Special Inspector General for Afghanistan Reconstruction (SIGAR)* Special Inspector General for Iraq Reconstruction (SIGIR)=====Department of the Army=====* United States Army Criminal Investigation Command (CID)* United States Army Military Police Corps* Department of the Army Police* United States Army Corrections Command* Army Counterintelligence (CI), United States Army Intelligence and Security Command=====Department of the Navy=====* Naval Criminal Investigative Service (NCIS)* United States Marine Corps Criminal Investigation Division (MC CID)* Department of the Navy Police (civilian police)* Marine Corps Provost Marshal's Office (military police)* United States Marine Corps Police (civilian police)* US Navy Master-at-arms (military police)=====Department of the Air Force=====* Air Force Office of Special Investigations (AFOSI)* Air Force Security Forces Center (AFSFC)* Air Force Security Forces (military police)* Department of the Air Force Police (civilian police)====Department of Education====* Office of the Inspector General (EDOIG)====Department of Energy (DOE)====* Office of Inspector General (DOEOIG)* Office of Health, Safety and Security (DOEHSS)* Office of Secure Transportation (OST)====Department of Health and Human Services====* United States Food and Drug Administration (HHSFDA)** Office of Criminal Investigations (OCI)* National Institutes of Health (NIH)** National Institutes of Health Police (NIH Police)* Office of Inspector General (HHSOIG)====Department of Homeland Security (DHS)====* Federal Law Enforcement Training Center (FLETC)* National Protection and Programs Directorate** Federal Protective Service (FPS)* United States Coast Guard (USCG)** Coast Guard Investigative Service (CGIS)* United States Customs and Border Protection (CBP)** Office of Air and Marine (OAM)** Office of Border Patrol (OBP)** Office of Field Operations (OFO)* United States Immigration and Customs Enforcement (ICE)** Enforcement Removal Operations (ERO)** Homeland Security Investigations (HSI)** Office of Intelligence** Office of Professional Responsibility (OPR)* United States Citizenship and Immigration Services (USCIS)* United States Secret Service (USSS)* Transportation Security Administration (TSA)** Office of Law Enforcement/Federal Air Marshal Service (OLE/FAMS)** Office of Inspection (OI)* Department of Homeland Security Office of Inspector General (DHSOIG)====Department of Housing and Urban Development====* Office of Inspector General (HUD/OIG) [http://www.hudoig.gov]* Protective Service Division (HUDPSD)====Department of the Interior (USDI)====* Bureau of Indian Affairs (BIA)** Bureau of Indian Affairs Police (BIA Police)* Bureau of Land Management (BLM)** Bureau of Land Management Office of Law Enforcement (BLM Rangers and Special Agents)* Bureau of Reclamation (BOR)** Bureau of Reclamation Office of Law Enforcement (BOR Rangers)** Hoover Dam Police aka Bureau of Reclamation Police* National Park Service (NPS)** Division of Law Enforcement, Security and Emergency Services (U.S. Park Rangers-Law Enforcement)** United States Park Police* Office of Inspector General (DOIOIG)* Office of Surface Mining Reclamation and Enforcement (OSMRE)* United States Fish and Wildlife Service (USFWS)** Office of Law Enforcement** Division of Refuge Law Enforcement====Department of Justice (USDOJ)====* Bureau of Alcohol, Tobacco, Firearms, and Explosives (ATF)* United States Drug Enforcement Administration (DEA) (since 1973)* Federal Bureau of Investigation (FBI)** Federal Bureau of Investigation Police (FBI Police)* Federal Bureau of Prisons (BOP)* Office of Inspector General (DOJOIG)* United States Marshals Service (USMS)====Department of Labor====* Office of Inspector General (DOLOIG)====Department of State (DoS)====* Bureau of Diplomatic Security (DS)** U.S.

DHS) unterstellt sind:**United States Secret Service (USSS)**Transportation Security Administration (TSA) mit dem Federal Air Marshal Service (FAMS)**United States Customs and Border Protection (CBP, auch Zollbehörde)**United States Immigration and Customs Enforcement (ICE, auch Zollbehörde) mit dem United States Federal Protective Service**Coast Guard Investigative Service (CGIS)*Dem Verteidigungsministerium ("United States Department of Defense") unterstellt sind:**Defense Criminal Investigative Service (DCIS)***U.S. Pentagon Police (USPPD), Teil der Pentagon Force Protection Agency (PFPA)**Naval Criminal Investigative Service (NCIS), das wiederum dem Department of the Navy unterstellt ist**United States Army Criminal Investigation Command (CIC), dem Department of the Army unterstellt, mit Sitz im Marine Corps Base Quantico, Virginia**U.S. Air Force Office of Special Investigations (AFOSI), dem Department of the Air Force unterstellt, mit Sitz im Marine Corps Base Quantico, Virginia**Department of Defense Police (DoD Police), zusammenfassende Bezeichnung der zivil organisierten Polizeien der Teilstreitkräfte***Department of the Navy Police Division*Dem Justizministerium ("United States Department of Justice") unterstellt sind:**Federal Bureau of Investigation (FBI)***FBI National Security Branch***FBI Police (Selbstschutz)**Drug Enforcement Administration (DEA)**Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF)**United States Marshals Service (USMS)*Dem Finanzministerium ("United States Department of the Treasury") unterstellt sind:**Internal Revenue Service Criminal Investigation Division (Steuerfahndung)** Bureau of Engraving and Printing Police Force mit der United States Mint Police.