Founded in a 250-square-foot Lockport garage in 1955, Diversified Manufacturing now engineers and builds thermal equipment—particularly custom heat exchangers and pressure vessels—alongside the fabrication and machining needed to bring them from concept to production. Its 160,000-square-foot New York facility also supports industrial cooling products and equipment remanufacturing for local and international customers. The company holds ISO 9001:2015 and ASME certifications, including the ASME U and PP stamps.
ISO 9001:2015
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ASME Certificate of Authorization (U)
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ASME Certificate of Authorization (PP)
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Certificate of Authorization (Repair)
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EU-Type Examination Certificate
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ASME Code
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TEMA
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European PED (CE)
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China Manufacturing License
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Korean Gas Safety (KGS)
registration
Canadian Registration Number (CRN)
registration
API 614
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API 660
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API 661
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API 714
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