Health Resources provides national occupational health services and employee assistance programs, on-site medical management, workers compensation, medical examinations, work life programs, diagnostic testing, DOT compliance and random drug testing.

CardioTech specializes in polyurethane devices for late-stage cardiovascular diseases. Synthesizes, designs and manufactures biocompatible, medical grade polyurethanes for grafts, and medical devices ...

Drug screens, drug testing, employee screening, employee background checks and paternity testing are clinical services provided by Clinigen for employers, institutions, and agencies in the US.