Denver Regional Council of Governments: The regional planning agency for the eight-county Denver metropolitan area of nearly 2.2 million residents.
Northwest Colorado Council of Governments: An association of governments formed voluntarily to provide regional services and help members respond to the needs of a changing area.
Pikes Peak Area Council of Governments: A voluntary organization of local governments open to all general purpose local governments (municipalities and counties) in the Pikes Peak region (El Paso, Park and Teller Counties).