The Association for Addiction Professionals
http://www.naadac.org

Harm Reduction Coalition
http://www.harmreduction.org/

Drug Policy Alliance (Formerly The Lindesmith Center Drug Policy Foundation)
http://www.drugpolicy.org/

National Addiction Technology Transfer Centers
https://attcnetwork.org/

Center for Substance Use Prevention
http://www.samhsa.gov/prevention

Addiction Resource
https://addictionresource.com/

Department of Health Care Services
Substance Use Disorder Services
P.O. Box 997413
MS# 2603
Sacramento, CA 95899-7413
Fax : (916) 445-5084