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

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

A – Z Index of U.S. Government Departments and Agencies —— A – Z Index of U.S. Government Departments and Agencies —— Administrative Office of the United States Courts (1) Advisory Commission on Intergovernmental Relations Advisory Council On Historic Preservation (3) African Development Foundation Agriculture Department (3)

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.”

Federal Agencies List. 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.