ESS is a top 10 ranked risk management solutions provider, specializing in background screening, drug testing, and specialized investigative services. For nearly 25 years, ESS has combined industry expertise with exceptional service to help companies minimize risk and maximize results.  A fully-accredited member of the National Association of Professional Background Screeners (NAPBS) and a Nationally Accredited for Administration of Drug and Alcohol Testing Program by The Drug and Alcohol Testing Industry Association (DATIA), ESS serves clients in all 50 states as well as internationally.