D&F Corporation is a leading supplier of checking fixtures and secondary machines for the Automotive Industry. Custom machines and fixtures are designed, programmed, build and certified in our temperature controlled 84,000 square foot building in Sterling Heights, MI. ISO 9001:2015 ISO/IEC 17025:2017. D&F uses the latest design software, cutting technology, experienced builders and certified checking standards to produce high quality production tools at a competitive price.