Drug and alcohol testing programs for the Department of Transportation (D.O.T), DOT Supervisor Training, and Workers' Drug Education Programs, serving the following industries—

• Federal Aviation Administration (FAA)
• Federal Railroad Administration (FRA)
• Federal Motor Carrier Safety Administration (FMCSA)
• Federal Highway Administration (FHWA)
• Research and Special Projects Administration (RSPA)
• Federal Transit Administration (FTA)
• United States Coast Guard (USCG)