Find heat treating companies in Northeast, ranked by process fit, coverage, and confidence.
Green pins are verified facilities; amber pins are estimated city/metro points. Faint rings show estimated reach. The public map starts on the contiguous U.S.
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Machining For Electronics, Inc. is listed in Noramark's public directory with heat treating capabilities.
With over 60 years in business serving industrial markets, Modern's Contract Manufacturing and Industrial Service Divisions (Heat Treating and Laboratory Testing) offer a unique blend of capabilities that can help you succeed.
Modern Industries, located in Erie, Pennsylvania, is a multifaceted manufacturer established in 1946.
Modern Industries is a diversified manufacturer based in Erie, Pennsylvania, founded in 1946.
Tempco Glass Fabrication is a family-operated, North American business based in Flushing, New York.
Temper Corporation, based in Fonda, New York, is a custom manufacturer and precision engineering solutions provider established in 1969.
Whemco is listed in Noramark's public directory with heat treating capabilities.
Patriot Foundry & Castings is a specialized nonferrous foundry based in Franklin, New Hampshire.
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Snapshot updated Apr 18, 2026. This normalized public directory reflects process and location coverage only. It does not show live capacity, pricing, or quote availability.