- California Health Care Foundationwww.chcf.org
- California Association of Health Plans (CAHP)www.cdss.ca.gov
- California Health Advocateswww.cahealthadvocates.org
- California Quality Collaborative (CQC)www.calquality.org
- MSO Inc. Southern Californiawww.msosocal.org
- California Hospital Association (CHA)www.calhospital.org
