National Institute on Drug Abuse (NIDA):  www.drugabuse.gov

National Institute on Alcohol Abuse & Alcoholism (NIAAA):  www.niaaa.nih.gov

Narcotics Anonymous (NA):  www.na.org

Alcoholics Anonymous (AA):  www.aa.org

Cocaine Anonymous (CA):  www.ca.org

Marijuana Anonymous (MA):  www.marijuana-anonymous.org

Partnership for Drug-Free Kids:  www.drugfree.org

National Council on Alcoholism and Drug Dependence (NCADD):  www.ncadd.org

Substance Abuse and Mental Health Services Administration (SAMHSA):  www.samhsa.gov