Institute for a Drug-Free Workplace
http://www.drugfreeworkplace.org

National Drug Free Workplace Alliance
http://www.ndfwa.org

NIDA (National Institute on Drug Abuse
http://www.nida.nih.gov

Drug Facts: Office of National Drug Control Policy
http://www.whitehousedrugpolicy.gov/drugfact/index.html

Substance Abuse and Mental Health Services Administration
http://www.drugabusestatistics.samhsa.gov

U.S. Department of Health and Human Services
http://ncadi.samhsa.gov

U.S. Department of Labor Steps to a Drug Free Workplace
http://www.dol.gov/asp/programs/drugs/workingpartners/materials/steps.asp

U.S. Department of Transportation
http://www.dot.gov/ost/dapc

Drug & Alcohol Testing Industry Association
http://www.datia.org