BioScreen Testing Services, Inc. Founded in 1985 the company service mark has come to represent quality and customer service. With both national and international recognition the company is focused on meeting the rigorous cGMP quality standards demanded by clients and regulatory agencies alike. The company is United States Food and Drug Administration (FDA) registered, ISO 9001:2000 Certified, Drug Enforcement Agency (DEA) registered and California State Certified to test drinking water.