List of federal agencies in the United States

Legislative definitions of a federal agency are varied, and even contradictory, and the official United States Government Manual offers no definition.[1][2] While the Administrative Procedure Act definition of "agency" applies to most executive branch agencies, Congress may define an agency however it chooses in enabling legislation, and subsequent litigation, often involving the Freedom of Information Act and the Government in the Sunshine Act. These further cloud attempts to enumerate a list of agencies.[3][4]

The executive branch of the federal government includes the Executive Office of the President and the United States federal executive departments (whose secretaries belong to the Cabinet). Employees of the majority of these agencies are considered civil servants.

The majority of the independent agencies of the United States government are also classified as executive agencies (they are independent in that they are not subordinated under a Cabinet position). There are a small number of independent agencies that are not considered part of the executive branch, such as the Library of Congress and Congressional Budget Office, administered directly by Congress and thus are legislative branch agencies.

Legislative Branch

Agencies and other entities within the legislative branch:

Judicial Branch

Agencies within the judicial branch:

Specialty Courts

Executive Branch

Executive Office of the President

United States Department of Agriculture (USDA)

United States Department of Commerce

United States Department of Defense (DOD)

United States Department of Education

  • Leadership and Support Offices
    • Office of the Secretary (OS)
    • Office of the Under Secretary (OUS)
    • Office of Communications and Outreach
    • Office of Inspector General
    • Office of Finance and Operations
    • Office of Legislation and Congressional Affairs
    • Office of Planning, Evaluation and Policy Development
    • Office of the Chief Information Officer
    • Office of the General Counsel

United States Department of Energy

United States Department of Health and Human Services

United States Department of Homeland Security

  • United States Secretary of Homeland Security
    • United States Deputy Secretary of Homeland Security

Agencies and Offices, Library and Coast Guard, and Teams and schools

Offices and Councils


National Protection and Programs

Science and Technology

Offices and institutes

United States Department of Housing and Urban Development

  • United States Secretary of Housing and Urban Development
    • United States Deputy Secretary of Housing and Urban Development


Offices and Centers and Library and University


United States Department of the Interior

United States Department of Justice

United States Department of Labor (DOL)

  • United States Secretary of Labor
    • United States Deputy Secretary of Labor

Agencies and Bureaus and Corporation and Center and Program and Library and University

Offices and Offices of
  • Office of Security
  • Energy
  • Defense
  • Veterans Affairs
  • General Counsel
  • Labor
  • Commerce
  • Ethics
  • Compliance
  • NA Affairs
  • Agriculture
  • Housing and Urban Development
  • Homeland Security
  • Health
  • Labor Policy
  • Administrative Law
  • State
  • Science
  • Technology
  • Interior
  • White House Liaison
  • Public Affairs
  • Education
  • Civil Rights
  • Treasury
  • Transportation
  • Justice
  • Office of Emergency Management
  • Office of Labor Intelligence
  • Office of Administrative Law Judges
  • Office of the Assistant Secretary for Administration and Management
  • Office of the Assistant Secretary for Policy
  • Management
  • Administration
  • Communications
  • CPO
  • CISO
  • CHCO
  • CHRO
  • CTO
  • Office of the Chief Financial Officer
  • Office of the Chief Information Officer
  • Office of Congressional and Intergovernmental Affairs
  • Office of Disability Employment Policy
  • Office of Federal Contract Compliance Programs
  • Office of Labor-Management Standards
  • Office of the Solicitor
  • Office of Worker's Compensation Program
  • Ombudsman for the Energy Employees Occupational Illness Compensation Program
  • Wirtz Labor Library

United States Department of State (DOS)

  • United States Secretary of State
    • United States Deputy Secretary of State

Agencies and Bureaus and Offices and Library and Boards and Councils and schools

Reporting to the Secretary
Reporting to the Deputy Secretary for Management and Resources
  • Office of U.S. Foreign Assistance Resources
  • Office of Small and Disadvantaged Business Utilization
  • Quadrennial Diplomacy and Development Review (QDDR) Office
Reporting to the Under Secretary for Arms Control and International Security
Reporting to the Under Secretary for Human Rights, Civilian Security, and Democracy
Reporting to the Under Secretary for Environment, Energy, and Economic Growth
Reporting to the Under Secretary for Management
Reporting to the Under Secretary for Political Affairs
Reporting to the Under Secretary for Public Diplomacy and Public Affairs

Permanent Diplomatic Missions

United States Department of Transportation

Operating Administrations

United States Department of the Treasury


United States Department of Veterans Affairs

Independent agencies and government-owned corporations

Established under United States Constitution Article I, Section 4


Established under Article I, Section 8

Administrative agencies
Civil Service agencies
Commerce regulatory agencies

Government Commissions and Committees and Consortium

Education and broadcasting agencies
Energy and science agencies
Foreign investment agencies
Interior agencies
Labor agencies
Monetary and financial agencies
Postal agencies
Retirement agencies
Federal Property and Seat of Government agencies
Transportation agencies
Volunteerism agencies

Authority under Article II, Section 1

Defense and security agencies

Authority under Amendment XIV

Civil rights agencies

Other agencies and corporations

Joint programs and interagency agencies

Special Inspector General Office

Quasi-official agencies

Arts & cultural agencies

Museum agencies

Commerce & technology agencies

Defense & diplomacy agencies

Human service & community development agencies

Interior agencies

Law & justice agencies

See also



  1. Fischer 2011, pp. 1–2.
  2. Federal Register 2013.
  3. Lewis & Selin 2013, pp. 13–14.
  4. Kamensky 2013.
  5. "Program Offices". Department of Energy. Retrieved June 7, 2019.
  6. "Our Administrations". US Department of Transportation. 2012-03-01. Retrieved 2017-12-17.
  7. "Office of the Secretary". US Department of Transportation. 2012-03-01. Retrieved 2017-12-17.
  8. "Governance and Oversight". U.S. Merchant Marine Academy. 2013-01-27. Retrieved 2017-12-17.
  9. "Bureaus". Retrieved 2017-12-17.
  10. "IBM Cognos software". Retrieved 2017-12-17.
  11. "Organizational Structure". Retrieved 2017-12-17.
  12. "Offices". Retrieved 2017-12-17.


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