Find heat treating companies in Pennsylvania, 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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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.
Whemco is listed in Noramark's public directory with heat treating capabilities.
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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.