Since 1949, Brooklyn-based Hercules Heat Treating has heat-treated critical aerospace metal parts, with a particular focus on maintaining dimensional stability and minimizing distortion in landing gear and airframe components. The independently owned, family-run company remains under three generations of Rizzo family leadership and employs about 50 people, including metallurgical, mechanical and quality engineers. Hercules is a U.S. Military-approved contractor with AS9100-compliant quality systems and NADCAP accreditation.
AS9100
NADCAP Heat Treating Accreditation
NADCAP Aerospace Quality System Accreditation
ARP 1962 Training
Compliance program
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
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
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