Family-owned in Lima since 1993, Heat Treating Technologies provides industrial heat treating backed by in-house metallurgical testing. Its lab performs microhardness, spectrometry, and case-depth analysis, while ISO 9001:2015 certification supports the company’s quality-focused service.
ISO 9001-2015 Certification
CQI-9 Self Assessment
Compliance program
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
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
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
JASCO Heat TreatingFounded in 1978 as JASCO/Sun Steel Treating, JASCO Heat Treating has grown into a full-line commercial and industrial heat-treating facility serving manufacturers from its Fairport operation. Its computerized furnaces, in-house metallurgical laboratory, and quality-control center support customized work, including treatments for special steels and exotic metals. JASCO holds Nadcap heat-treating and aerospace quality-system accreditations, along with ISO 9001:2015 certification.FAIRPORT, NY