Founded in Dayton in 1967, Winston Heat Treating provides commercial heat treating for manufacturers, building on roots that began with a family machine shop in 1959. The company pioneered vacuum heat treating and now serves more than 1,200 organizations, from local tool-and-die shops to aerospace and automotive manufacturers. Winston is a third-generation family business and was among the first commercial heat treaters in the country to hold both ISO and NADCAP accreditations.
ISO 9001:2015
certification
AS9100D
certification
NADCAP
certification
General Metal Heat TreatingIndependent and owner-operated since 1942, General Metal Heat Treating has built its Cleveland reputation on careful craftsmanship and customer referrals. The company provides heat treating for manufacturers whose parts must meet demanding requirements, with quality systems certified to ISO 9001:2015/AS9100D and Nadcap AS7102.CLEVELAND, OH
Evans Heat TreatingBorn from the Drever Heat Treating Company in 1939 and purchased by two of its employees in 1991, Evans Heat Treating is a family-run Huntingdon Valley facility that heat-treats parts for customers ranging from one-off projects to production runs. The Burnick family now runs the business, which pairs its processing work with a metallurgical laboratory for research, production support, and quality control. Evans is Nadcap-accredited and ISO 9001:2015 registered.HUNTINGDON VALLEY, PA
Ohio Metallurgical Service, IncFounded in 1947, Ohio Metallurgical Service provides heat-treating services from its Elyria operation, with laboratory testing to verify work against customer specifications. The company combines modern process controls with the experience of 25 seasoned employees, whose team represents more than 547 years in heat treating and manufacturing. Its quality systems include ISO 9001:2015, aerospace AC7004 and NADCAP Heat Treating accreditation, along with CQI-9 compliance.ELYRIA, OH
Bennett Heat TreatingIndependent and Quaglia-owned since its purchase in 1956, Bennett Heat Treating has grown from a four-person Newark shop into a two-facility company under third-generation management. With more than 90 years in the field, Bennett is known for heat treating and brazing work that has supported technically demanding programs including the Apollo missions and Mars Rover. Its Newark and Ivyland operations hold NADCAP aerospace quality-system and heat-treating certifications.332811WARMINSTER, PA