Legislative definitions of an agency of the federal government of the United States are varied, and even contradictory.

Get contact information for U.S. federal government agencies, departments, corporations, instrumentalities, and government-sponsored enterprises. Find websites, email, phone numbers, addresses, and more.

This is a partial list of agencies under the United States Department of Defense (DoD) which was formerly and shortly known as the National Military Establishment. Its main responsibilities are to control the Armed Forces of the United States. It is headed by the Secretary of Defense.

You may filter the list of federal agencies according to agency type and agency name. In addition, you may view the data in XML format, or use the filtered XML as data in your own applications.

2025年1月22日 · Visit USA.gov for a current list of federal agencies, commissions and departments. Each executive department collects and publishes unique information. Consult the departmental pages listed below, and the links to highlighted publications, resources, agencies and administrations to learn more!

ATF protects the public from crimes involving firearms, explosives, arson, and the diversion of alcohol and tobacco products; regulates lawful commerce in firearms and explosives; and provides worldwide support to law enforcement, public safety, and industry partners.

These pages provide reports, recommendations, curated information and summaries, videos, podcasts, blog posts, and more. Agencies are listed alphabetically by their formal name, with most agencies appearing under “Bureau,” “Department,” or “United States.”