Skip to Main Content Government Agencies and Elected Officials

A research guide that provides a tour through is the official web portal of the United States federal government.

Government Agencies and Elected Officials

Branches of Government

This page includes information about the executive, legislative, and judicial branches of the U.S. government, including an infographic on the three branches of the government and a detailed breakdown of how the U.S. government is organized.


Contact Government by Type

This page includes contact information for government programs, listed by topic.
  • Benefits
  • Children and Education
  • Consumer Products and Safety
  • Fraud, Law Enforcement and Crime
  • Government Officials
  • Government Social Media and Mobile Apps
  • Health
  • Home, Community and Work
  • Military and Veterans
  • Money and Business
  • Travel and Transportation


A-Z Index of U.S. Government Departments and Agencies

The A-Z Index enables you to click on a letter of the alphabet to display the list of agencies beginning with that letter. Within each list you can click on the link to the agency and be taken to a screen listing the agency details, including phone number and website. There is also a search box in which you can type the name of a specific agency.


How to Contact Elected Officials

This page includes links to contact information for elected officials at the federal, state and local levels.


State, Local and Tribal Governments

This page includes contact information for state, local, and tribal governments.