National Inspection Testing and Certification Corporation (NITC) is a third-party provider of certification services to the Piping Industry. NITC tests and certifies personnel in the Medical Gas, Plumbing, Pipefitting, HVACR, Fire Protection & Safety Systems and related industries. The purpose of the NITC Personnel Certification Program is to advance the profession of certain crafts, inspectors and businesses in the construction industry by providing (a) a mechanism by which individuals can demonstrate their knowledge of model codes, standards, industry practices, and (b) a mechanism by which stake holders in the construction industry can readily assess a minimum level of competency for such categories.