List of U.S. Government Agencies and Departments

List of U.S. Government Agencies and Departments

Private investigators and private investigation agencies who become involved with cases, especially on a national level, will often interact to some extent with a government agency. In most cases, this will involve searching for government information and records. As a result, private eyes should be familiar with the various departments and agencies and know how to navigate their complexities to get at the info you need.

Following is an alphabetical list of organizations in the United States federal executive, legislative and judicial branches. It is not a comprehensive list, nor will it remain completely accurate, as agencies are shut down and new ones are formed on a regular basis.

We did not provide website links for the same reason. If you’re interested in learn more about a particular branch or department, just do a Google search for the name. In some cases, we provided links to other pages on our website that provide more detailed information on a particular dept.

9-11 Commission (National Commission on Terrorist Attacks upon the United States)
Administration on Aging (AOA)
Administration for Children and Families (ACF)
Administrative Committee of the Federal Register
Administrative Office of the U.S. Courts
Advisory Council on Historic Preservation
African Development Foundation
Agency for Healthcare Research and Quality (AHRQ)
Agency for International Development
Agency for Toxic Substances and Disease Registry
Agricultural Marketing Service
Agricultural Research Service
Agriculture Department (USDA)
Air Force
Alcohol and Tobacco Tax and Trade Bureau (Treasury)
Alcohol, Tobacco, Firearms and Explosives Bureau (DOJ)
American Battle Monuments Commission
AMTRAK (National Railroad Passenger Corporation)
Animal and Plant Health Inspection Service
Appalachian Regional Commission
Architect of the Capitol
Architectural and Transportation Barriers Compliance Board (Access Board)
Arctic Research Commission
Armed Forces Retirement Home
Arms Control and International Security
Army
Army Corps of Engineers
Arthritis and Musculoskeletal Interagency Coordinating Committee
Bankruptcy Courts
Barry M. Goldwater Scholarship and Excellence in Education Foundation
Bilingual Education and Minority Languages Affairs Office
Botanic Garden
Broadcasting Board of Governors (Voice of America, Radio/TV Marti and more)
Bureau of Alcohol and Tobacco Tax and Trade (Treasury)
Bureau of Alcohol, Tobacco, Firearms, and Explosives (Justice)
Bureau of the Census
Bureau of Economic Analysis (BEA)
Bureau of Engraving and Printing
Bureau of Indian Affairs (BIA)
Bureau of Industry and Security (formerly the Bureau of Export Administration)
Bureau of International Labor Affairs
Bureau of Justice Statistics
Bureau of Labor Statistics
Bureau of Land Management (BLM)
Bureau of Prisons
Bureau of Public Debt
Bureau of Reclamation
Bureau of Transportation Statistics
Census Bureau
Center for Nutrition Policy and Promotion
Centers for Disease Control and Prevention (CDC)
Centers for Medicare & Medicaid Services (formerly the Health Care Financing
Administration)
Central Intelligence Agency (CIA)
Chemical Safety and Hazard Investigations Board
Chief Financial Officers Council
Chief Information Officers Council
Citizens’ Stamp Advisory Committee
Citizenship and Immigration Services Bureau (formerly Immigration and Naturalization
Service)
Civilian Radioactive Waste Management
Coalition Provisional Authority (in Iraq)
Coalition Provisional Authority Inspector General
Coast Guard
Commerce Department
Commission of Fine Arts
Commission on Civil Rights
Commission on the Intelligence Capabilities of the United States Regarding Weapons of
Mass Destruction
Commission on International Religious Freedom
Committee for the Implementation of Textile Agreements
Committee for Purchase from People Who Are Blind or Severely Disabled
Commodity Futures Trading Commission
Community Development Office (Agriculture Department)
Community Oriented Policing Services (COPS)
Community Planning and Development
Comptroller of the Currency Office
Congressional Budget Office (CBO)
Constitution Center
Consumer Product Safety Commission (CPSC)
Cooperative State Research, Education and Extension Service
Coordinating Council on Juvenile Justice and Delinquency Prevention
Corporation for National and Community Service
Council of Economic Advisers
Council on Environmental Quality
Court of Appeals for the Armed Forces
Court of Appeals for the Federal Circuit
Court of Appeals for Veterans Claims
Court of Federal Claims
Court of International Trade
Customs and Border Protection
Defense Advanced Research Projects Agency (DARPA)
Defense Commissary Agency
Defense Contract Audit Agency
Defense Contract Management Agency
Defense Department (DOD)
Defense Field Activities
Defense Finance and Accounting Service (DFAS)
Defense Information Systems Agency (DISA)
Defense Intelligence Agency
Defense Legal Services Agency
Defense Logistics Agency (DLA)
Defense Nuclear Facilities Safety Board
Defense Security Cooperation Agency
Defense Security Service
Defense Threat Reduction Agency
Delaware River Basin Commission
Denali Commission
Department of Agriculture (USDA)
Department of Commerce (DOC)
Department of Defense (DOD)
Department of Defense Inspector General
Department of Education (ED)
Department of Energy (DOE)
Department of Health and Human Services (HHS)
Department of Homeland Security (DHS)
Department of Housing and Urban Development (HUD)
Department of the Interior (DOI)
Department of Justice (DOJ)
Department of Labor (DOL)
Department of State (DOS)
Department of Transportation (DOT)
Department of the Treasury
Department of Veterans Affairs (VA)
Disability Employment Policy Office
Domestic Policy Council
Drug Enforcement Administration (DEA)
Economic Analysis, Bureau of
Economic, Business and Agricultural Affairs (State Department)
Economic and Statistics Administration
Economic Development Administration
Economic Research Service
Education Department (ED)
Election Assistance Commission
Elementary and Secondary Education
Employee Benefits Security Administration (formerly the Pension and Welfare Benefits Administration)
Employment and Training Administration (Labor Department)
Employment Standards Administration
Endangered Species Committee
Energy Department (DOE)
Energy Efficiency and Renewable Energy
Energy Information Administration
Enforcement (Treasury Department)
Engraving and Printing, Bureau of
Environment, Safety and Health
Environmental Management (Energy Department)
Environmental Protection Agency (EPA)
Equal Employment Opportunity Commission (EEOC)
Executive Office for Immigration Review
Export Administration (now the Bureau of Industry and Security)
Export-Import Bank of the United States
Fair Housing and Equal Opportunity
Faith-Based and Community Initiatives Office
Farm Credit Administration
Farm Service Agency
Federal Accounting Standards Advisory Board
Federal Aviation Administration (FAA)
Federal Bureau of Investigation (FBI)
Federal Bureau of Prisons
Federal Communications Commission (FCC)
Federal Citizen Information Center (FCIC)
Federal Consulting Group
Federal Deposit Insurance Corporation (FDIC)
Federal Election Commission
Federal Emergency Management Agency (FEMA)
Federal Energy Regulatory Commission
Federal Executive Boards
Federal Financial Institutions Examination Council
Federal Financing Bank
Federal Highway Administration
Federal Housing Enterprise Oversight
Federal Housing Finance Board
Federal Interagency Committee for the Management of Noxious and Exotic Weeds
Federal Interagency Council on Statistical Policy
Federal Judicial Center
Federal Labor Relations Authority
Federal Laboratory Consortium for Technology Transfer
Federal Law Enforcement Training Center
Federal Library and Information Center Committee
Federal Maritime Commission
Federal Mediation and Conciliation Service
Federal Mine Safety and Health Review Commission
Federal Motor Carrier Safety Administration
Federal Railroad Administration
Federal Reserve System
Federal Retirement Thrift Investment Board
Federal Trade Commission (FTC)
Federal Transit Administration
Federated States of Micronesia
Financial Management Service (Treasury Department)
Fish and Wildlife Service
Food and Drug Administration (FDA)
Food and Nutrition Service
Food, Nutrition and Consumer Services
Food Safety and Inspection Service
Foreign Agricultural Service
Foreign Claims Settlement Commission
Forest Service
Fossil Energy
Fulbright Foreign Scholarship Board
General Accounting Office (GAO)
General Services Administration (GSA)
Geological Survey (USGS)
Global Affairs (State Department)
Global Communications Office (White House)
Government Printing Office (GPO)
Government National Mortgage Association
Grain Inspection, Packers and Stockyards Administration
Harry S. Truman Scholarship Foundation
Health and Human Services Department (HHS)
Health Resources and Services Administration
Holocaust Memorial Museum
Homeland Security Department (DHS)
House of Representatives
House Leadership Offices
House Office of Inspector General
House Office of the Clerk
House of Representatives Committees
House Organizations, Commissions and Task Forces
House Representatives on the Web
Housing and Urban Development Department (HUD)
Housing
Illinois and Michigan Canal National Heritage Corridor Commission
Immigration and Customs Enforcement, Bureau of
Immigration and Naturalization Service (Bureau of Citizenship and Immigration Services)
Indian Affairs, Bureau of
Indian Arts and Crafts Board
Indian Health Service
Industrial College of the Armed Forces
Industry and Security, Bureau of (formerly the Bureau of Export Administration)
Information Resource Management College
Institute of Education Sciences
Institute of Museum and Library Services
Institute of Peace
Interagency Alternative Dispute Resolution Working Group
Interagency Council on Homelessness
Interagency Electronic Grants Committee
Inter-American Foundation
Interior Department
Internal Revenue Service (IRS)
International Broadcasting Bureau (IBB)
International Labor Affairs, Bureau of
International Trade Administration (ITA)
James Madison Memorial Fellowship Foundation
Japan-United States Friendship Commission
John F. Kennedy Center for the Performing Arts
Joint Board for the Enrollment of Actuaries
Joint Chiefs of Staff
Joint Forces Staff College
Judicial Circuit Courts of Appeal, by Geographic Location and Circuit
Judicial Panel on Multidistrict Litigation
Justice Department
Justice Programs Office (Juvenile Justice, Victims of Crime, Violence Against Women
Justice Statistics, Bureau of
Labor Department (DOL)
Labor Statistics, Bureau of
Land Management, Bureau of
Lead Hazard Control (Housing and Urban Development Department)
Legal Services Corporation
Library of Congress
Marine Corps
Marine Mammal Commission
Maritime Administration
Marketing and Regulatory Programs (Agriculture Department)
Marshals Service
Medicare Payment Advisory Commission (formerly the Physician Payment Review
Commission and the Prospective Payment Assessment Commission)
Merit Systems Protection Board
Migratory Bird Conservation Commission
Mine Safety and Health Administration
Mineral Management Service
Minority Business Development Agency
Mint
Missile Defense Agency
Mississippi River Commission
Morris K. Udall Foundation: Scholarship and Excellence in National Environmental Policy
Multifamily Housing Office
National Aeronautics and Space Administration (NASA)
National Agricultural Statistics Service
National AIDS Policy Office
National Archives and Records Administration (NARA)
National Bipartisan Commission on the Future of Medicare
National Capital Planning Commission
National Cemetery Administration (Veterans Affairs Department)
National Commission on Libraries and Information Science
National Commission on Terrorist Attacks Upon the United States (9-11 Commission)
National Communications System (Homeland Security)
National Constitution Center
National Council on Disability
National Credit Union Administration
National Defense University
National Drug Intelligence Center
National Economic Council
National Endowment for the Arts
National Endowment for the Humanities
National Gallery of Art
National Guard
National Highway Traffic Safety Administration
National Imagery and Mapping Agency
National Indian Gaming Commission
National Institute of Justice
National Institute of Standards and Technology (NIST)
National Institutes of Health (NIH)
National Interagency Fire Center
National Labor Relations Board
National Laboratories (Energy Department)
National Marine Fisheries
National Mediation Board
National Nuclear Security Administration
National Ocean Service
National Oceanic and Atmospheric Administration (NOAA)
National Park Foundation
National Park Service
National Railroad Passenger Corporation (AMTRAK)
National Reconnaissance Organization
National Science Foundation
National Security Agency / Central Security Service
National Security Council
National Technical Information Service
National Telecommunications and Information Administration
National Transportation Safety Board
National War College
National Weather Service
Natural Resources Conservation Service
Navajo and Hopi Relocation Commission
Navy
Northern Mariana Islands
Northwest Power Planning Council
Nuclear Energy, Science and Technology
Nuclear Regulatory Commission
Nuclear Waste Technical Review Board
Occupational Safety & Health Administration (OSHA)
Occupational Safety and Health Review Commission
Office of Compliance
Office of Federal Housing Enterprise Oversight
Office of Government Ethics
Office of Management and Budget (OMB)
Office of National Drug Control Policy (ONDCP)
Office of Personnel Management
Office of Science and Technology Policy
Office of Scientific and Technical Information
Office of Special Counsel
Office of Thrift Supervision
Overseas Private Investment Corporation
Pardon Attorney Office
Parole Commission (Justice Department)
Patent and Trademark Office
Peace Corps
Pension and Welfare Benefits Administration (now the Employee Benefits Security
Administration)
Pension Benefit Guaranty Corporation
Policy Development and Research (Housing and Urban Development Department)
Political Affairs (State Department)
Postal Rate Commission
Postal Service (USPS)
Postsecondary Education
Power Administrations
President’s Commission on Moon, Mars and Beyond
President’s Commission on the U.S. Postal Service
President’s Council on Integrity and Efficiency
President’s Foreign Intelligence Advisory Board
Presidio Trust
Public Debt, Bureau of
Public Diplomacy and Public Affairs (State Department)
Public Health Preparedness Office
Public and Indian Housing
Radio and TV Marti (Español)
Radio Free Asia (RFA)
Radio Free Europe/Radio Liberty (RFE/RL)
Railroad Retirement Board
Reclamation, Bureau of
Regulatory Information Service Center
Rehabilitation Services Administration (Education Department)
Research, Education and Economics (Agriculture Department)
Research and Special Programs Administration (Transportation Department)
Risk Management Agency (Agriculture Department)
Rural Business-Cooperative Service
Rural Development
Rural Housing Service
Rural Utilities Service
Saint Lawrence Seaway Development Corporation
Science Office (Energy Department)
Secret Service
Securities and Exchange Commission (SEC)
Selective Service System
Senate
Senate Committees
Senate Leadership
Senators on the Web
Small Business Administration (SBA)
Smithsonian Institution
Social Security Administration (SSA)
Social Security Advisory Board
Special Education and Rehabilitative Services
State Department
State Justice Institute
Stennis Center for Public Service
Student Financial Assistance Programs
Substance Abuse and Mental Health Services Administration
Superfund Basic Research Program
Supreme Court of the United States
Surface Mining, Reclamation and Enforcement
Surface Transportation Board
Susquehanna River Basin Commission
Tax Court
Taxpayer Advocacy Panel (TAP)
Technology Administration
Tennessee Valley Authority
Trade and Development Agency
Trade Policy Staff Committee (House of Representatives)
Transportation Department (DOT)
Transportation Security Administration
Transportation Statistics, Bureau of
Treasury Department
Trustee Program (Justice Department)
U.S. Border Patrol
U.S. Centennial of Flight Commission
U.S. Citizenship and Immigration Services
U.S. Customs and Border Protection
U.S. Immigration and Customs Enforcement
U.S. International Trade Commission
U.S. Mission to the United Nations
U.S. National Central Bureau – Interpol (Justice Department)
U.S. Postal Service
U.S. Sentencing Commission
U.S. Trade Representative
U.S. Virgin Islands
Unified Combatant Commands (Defense Department)
Uniformed Services University of the Health Sciences
Veterans Affairs Department (VA)
Veterans Benefits Administration
Veterans Day National Committee
Veterans’ Employment and Training Service
Veterans Health Administration
Vietnam Educational Foundation
Vocational and Adult Education
Voice of America (VOA)
White House
White House Commission on Presidential Scholars
White House Commission on the National Moment of Remembrance
White House Office of Administration
Women’s Bureau (Labor Department)
Woodrow Wilson International Center for Scholars
Worldnet Television


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