List of federal agencies in the United States

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

There are a small number of independent agencies that are not considered part of the executive branch, such as the Congressional Research Service and the United States Sentencing Commission, which are legislative and judicial agencies, respectively.

Together, the two chambers exercise authority over the following legislative agencies: The legislature also oversees the Library of Congress (LOC), a national library dedicated to national records, which administers various programs, agencies, and services including: The federal judiciary consists of courts established under Article Three of the United States Constitution.

"[5] The judicial branch includes the following agencies: The President of the United States is the chief executive of the federal government.

He is in charge of executing federal laws and approving, or vetoing, new legislation passed by Congress.