The COG is supported by a cadre of local member governments in the 3-county region. Each member government contracts with the COG through an annual work program, which offers a mix of institutional, programmatic, and customized services. 

The following is a list of current COG members

Municipalities:

City of Aztec
City of Bloomfield
City of Farmington
City of Gallup
City of Grants
Village of Milan

Counties:

San Juan County
McKinley County
Cibola County

Affiliates:

NWNM Regional Solid Waste Authority

NAEDIS: (Native American Economic Development Investment Strategy)

Pueblo of Acoma
Pueblo of Laguna
Sheep Springs Navajo Chapter
Baahalii Navajo Chapter
Shiprock Navajo Agency RBDO
Eastern Navajo Agency RBDO

Northwest RPO Committee:

Pueblo of Acoma                                                                       McKinley County
Pueblo of Laguna                                                                             Cibola County
Pueblo of Zuni                                                                                    City of Gallup
The Navajo Nation                                                                          City of Grants
San Juan County                                                                           Village of Milan

Regional Partners:

The Enterprise Center/Quality Center for Business, San Juan College