A permanent or semi-permanent organization in the machinery of government that is responsible for the oversight and administration of specific functions

Name REMS Category 
US Federal Government 1
State of California Government 2
Other Government, Inter, or Non-Governmental Organization  3

US Federal Government 

Departments and agencies of the United States federal government.  All US Federal Government sponsor codes are assigned to a "Type" attribute that is generally analogous to a cabinet level department. Some codes are assigned a "Sub Type" attribute that further distinguishes a code in large, complex organizations. 

How to verify: A-Z index of U.S. Government Departments and Agencies

The Library of Congress
National Science Foundation

State of California Government 

Departments, agencies and commissions of the State of California. State of California sponsor codes are further distinguished with a "Type" and "Sub Type" indicator.

How to verify: State of California organizational chart

California Department of Child Support Services 
California Energy Commission 

Other, Inter, or Non-Governmental Organization

Other governmental agencies, including: cities; counties; other states; foreign governments or governmental agencies; multi-national organizations such as the United Nations; or, quasi-governmental agencies or special districts, such as a water or pest control district. These sponsor codes are further distinguished with the "Type" indicator.

City of Sacramento
United Nations
Marin Municipal Water District