All U.S. government agencies

Listing all U.S. government agencies is quite a task, as the United States federal government is composed of numerous agencies, departments, committees, and other entities. Below is an overview of the major departments and a selection of significant agencies. This list isn’t exhaustive, especially regarding smaller or more specialized agencies.

All U.S. government agencies

Executive Departments

These are part of the U.S. President’s Cabinet:

  1. Department of Agriculture (USDA)
    • Agricultural Research Service
    • Food Safety and Inspection Service
  2. Department of Commerce
    • National Oceanic and Atmospheric Administration (NOAA)
    • U.S. Patent and Trademark Office
  3. Department of Defense (DOD)
    • Army, Navy, Air Force, Marine Corps
    • Defense Intelligence Agency
    • National Security Agency (NSA)
  4. Department of Education
    • Office of Federal Student Aid
    • Office of Civil Rights
  5. Department of Energy (DOE)
    • Federal Energy Regulatory Commission
    • National Nuclear Security Administration
  6. Department of Health and Human Services (HHS)
    • Centers for Disease Control and Prevention (CDC)
    • Food and Drug Administration (FDA)
  7. Department of Homeland Security (DHS)
    • U.S. Citizenship and Immigration Services (USCIS)
    • Federal Emergency Management Agency (FEMA)
  8. Department of Housing and Urban Development (HUD)
  9. Department of the Interior
    • National Park Service
    • U.S. Geological Survey
  10. Department of Justice (DOJ)
    • Federal Bureau of Investigation (FBI)
    • Drug Enforcement Administration (DEA)
  11. Department of Labor
    • Occupational Safety and Health Administration (OSHA)
  12. Department of State
    • U.S. Foreign Service
  13. Department of Transportation
    • Federal Aviation Administration (FAA)
  14. Department of the Treasury
    • Internal Revenue Service (IRS)
    • Bureau of Engraving and Printing
  15. Department of Veterans Affairs

Independent Agencies

Some notable independent agencies include:

  • Central Intelligence Agency (CIA)
  • Environmental Protection Agency (EPA)
  • Federal Communications Commission (FCC)
  • Federal Reserve System
  • National Aeronautics and Space Administration (NASA)
  • National Science Foundation (NSF)
  • Securities and Exchange Commission (SEC)
  • Social Security Administration (SSA)
  • United States Postal Service (USPS)

Legislative and Judicial Branches

While not part of the executive branch departments and agencies, there are also significant entities in the other branches:

  • Congressional Budget Office (CBO)
  • Government Accountability Office (GAO)
  • Library of Congress
  • Supreme Court of the United States
  • United States Courts of Appeals, District Courts, and more

This list only scratches the surface. There are also many boards, commissions, and smaller entities addressing specific aspects of government policy, regulation, and administration. For a complete and detailed list, you would need to refer to an official U.S. Government directory or database.

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