Office of Drug & Alcohol Policy & Compliance

Pipeline & Hazardous Materials Safety Administration (PHMSA)

Federal Motor Carrier Safety Administration (FMCSA)

Federal Transit Administration

The Federal Aviation Administration

Drug & Alcohol Testing Industry Association (DATIA)

Institute for a Drug-Free Workplace

The Partnership for a Drug-Free America

U.S. Department of Health and Human Services & SAMHSA's National Clearing House for Alcohol & Drug Information

Working Partners foa an Alcohol and Drug-Free Workplace