Subregional Organizations in the SCAG Region
- Arroyo Verdugo Communities Joint Powers Authority
- City of Los Angeles
- Coachella Valley Association of Governments
- Gateway Cities Council of Governments
- Imperial County Transportation Commission
- Las Virgenes Malibu Council of Governments
- North Los Angeles County
- Orange County Council of Governments
- San Bernardino County Transportation Authority / San Bernardino Council of Governments
- San Fernando Valley Council of Governments
- San Gabriel Valley Council of Governments
- South Bay Cities Council of Governments
- Ventura Council of Governments
- Western Riverside Council of Governments
- Westside Cities Council of Governments