A-Z index of U.S. government departments and agencies

This A-Z index of U.S. government departments and agencies is pulled from https://www.usa.gov/agency-index

A

• Access Board - An independent federal agency devoted to accessibility for people with disabilities.
  • URL: https://www.access-board.gov/
• Administration for Children and Families (ACF) - Part of the Department of Health and Human Services, focusing on programs for children, families, and communities.
  • URL: https://www.acf.hhs.gov/
• Administration for Community Living (ACL) - Works to maximize the independence, well-being, and health of older adults and individuals with disabilities.
  • URL: https://acl.gov/
• Administration for Native Americans (ANA) - Promotes self-sufficiency for Native Americans by providing social and economic development opportunities.
  • URL: https://www.acf.hhs.gov/ana
• Administration on Aging (AoA) - Now part of the Administration for Community Living, focuses on improving the lives of older Americans.
  • URL: https://acl.gov/about-acl/administration-aging
• Administrative Conference of the United States (ACUS) - An independent federal agency that studies administrative process and recommends improvements.
  • URL: https://www.acus.gov/
• Advisory Council on Historic Preservation (ACHP) - Promotes the preservation, enhancement, and productive use of our nation's historic resources.
  • URL: https://www.achp.gov/
• African Development Foundation (USADF) - Aids grassroots development in Africa to promote self-sufficiency and economic growth.
  • URL: https://www.usadf.gov/
• Agency for Global Media (USAGM) - Formerly known as the Broadcasting Board of Governors, oversees non-military U.S. international broadcasting.
  • URL: https://www.usagm.gov/
• Agency for Healthcare Research and Quality (AHRQ) - Supports research to improve the quality, safety, efficiency, and effectiveness of health care for all Americans.
  • URL: https://www.ahrq.gov/
• Agency for International Development (USAID) - Provides economic and humanitarian assistance in more than 100 countries to further America's interests.
  • URL: https://www.usaid.gov/
• Agency for Toxic Substances and Disease Registry (ATSDR) - Works to prevent harmful exposures and diseases related to toxic substances.
  • URL: https://www.atsdr.cdc.gov/
• Agricultural Marketing Service (AMS) - Facilitates the efficient, fair marketing of U.S. agricultural products.
  • URL: https://www.ams.usda.gov/
• Agricultural Research Service (ARS) - The main in-house research agency of the U.S. Department of Agriculture.
  • URL: https://www.ars.usda.gov/
• Air Force, Department of the - A military service branch of the Department of Defense focused on air and space power.
  • URL: https://www.af.mil/
• Alcohol and Tobacco Tax and Trade Bureau (TTB) - Regulates and collects taxes on alcohol, tobacco, firearms, and ammunition.
  • URL: https://www.ttb.gov/
• American Battle Monuments Commission (ABMC) - Honors the service and sacrifice of American armed forces by maintaining U.S. military cemeteries and memorials abroad.
  • URL: https://www.abmc.gov/
• AmeriCorps - Mobilizes thousands of Americans in intensive service to meet community needs in education, public safety, health, and the environment.
  • URL: https://www.americorps.gov/
• Animal and Plant Health Inspection Service (APHIS) - Protects and promotes U.S. agricultural health, administering regulatory and control programs.
  • URL: https://www.aphis.usda.gov/aphis/home/
• Appalachian Regional Commission (ARC) - A federal-state partnership that works for sustainable community and economic development in Appalachia.
  • URL: https://www.arc.gov/
• Architect of the Capitol - Responsible for the maintenance, operation, development, and preservation of the United States Capitol Complex.
  • URL: https://www.aoc.gov/
• Arctic Research Commission (USARC) - Develops and recommends national policy for research in the Arctic region.
  • URL: https://www.arctic.gov/
• Armed Forces Retirement Home (AFRH) - Provides retirement living for honorable discharged, former members of the armed forces.
  • URL: https://www.afrh.gov/
• Arms Control and International Security, Bureau of (ACIS) - Leads U.S. efforts in arms control, nonproliferation, and disarmament.
  • URL: https://www.state.gov/bureaus-offices/under-secretary-for-arms-control-and-international-security-affairs/
• Army, Department of the - A military service branch of the Department of Defense, responsible for land-based military operations.
  • URL: https://www.army.mil/
• Army Corps of Engineers (USACE) - Provides engineering services to strengthen national security, energize the economy, and reduce disaster risks.
  • URL: https://www.usace.army.mil/
• Atlantic Fleet Forces Command - Oversees naval operations in the Atlantic.
  • URL: https://www.cffc.navy.mil/
• Atlantic Oceanographic and Meteorological Laboratory (AOML) - Conducts research on oceanography, meteorology, and related disciplines in the Atlantic region.
  • URL: https://www.aoml.noaa.gov/
• Atomic Energy Commission (AEC) - Although no longer in operation, historical records and information can be found here. Replaced by the Nuclear Regulatory Commission and Department of Energy.
  • URL: https://www.energy.gov/management/office-management/operational-management/history/historical-resources/atomic-energy-commission
• Aviation and Transportation Security Act (ATSA) - Legislation that led to the creation of the Transportation Security Administration (TSA).
  • URL: https://www.tsa.gov/about/tsa-mission