Founded in 1975, family-owned Kowalski Heat Treating specializes in distortion-sensitive thermal processing for difficult parts and demanding production work. The Cleveland company is known for taking on “PIA” jobs, pairing specialized thermal-processing divisions with custom fixturing, metallurgical testing and problem-solving support. Its K-VAC operation includes North America’s first 20-bar vacuum furnace, while K-SALT is described as the Midwest’s largest rack salt-to-salt facility.
Cage Code #3ZHJ6
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Rex Heat TreatFamily-owned since 1938, Rex Heat Treat remains in the Rex family’s third and fourth generations after growing from a two-car Lansdale garage into a Pennsylvania heat-treating company serving demanding national industries. Its long history includes designing vertical furnace systems for missile programs and later adapting that expertise for commercial work, with a metallurgical laboratory supporting today’s operations. The company is known for handling large components, including work up to 20 feet, at facilities in Lansdale and Bedford.LANSDALE, PA
Winston Heat TreatingFounded 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.DAYTON, OH
The Euclid Heat Treating CompanyThe Euclid Heat Treating Company provides commercial heat treating and secondary processing for metal parts and components. Established in 1946 at its Cleveland location, it has expanded from salt and open-fired furnaces to a diversified heat-treating operation that includes induction and vacuum processing. The company serves medical, military, automotive, tool and die, and locomotive industries.EUCLID, OH
Peters' Heat Treating, IncFounded in Meadville in 1979, Peters’ Heat Treating is a second-generation, family-owned and woman-owned company that provides precision heat treating and metallurgical processing for manufacturers. The company treats heat treating as part of the manufacturing process, offering free pre-machining analysis and coordinating related work to help customers avoid distortion, delays and surprises. Peters’ holds ISO 9001:2015 and Nadcap aerospace accreditation, and operates facilities in Meadville and McKean.MCKEAN, PA