Founded in Oak Harbor in 1951, Northern Manufacturing is a long-established Ohio metal fabricator known for taking on difficult stainless steel work for engineering companies. Its 160,000-square-foot operation serves as a long-term fabrication partner, combining traditional craftsmanship with modern technology for complex, specification-ready components. The company is ISO 9001:2015 certified and employs more than 60 qualified welders.
ISO 9001:2015
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AWS D1.1 Qualified Welding Procedures and Personnel
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AWS D1.2 Qualified Welding Procedures and Personnel
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AWS D1.6 Qualified Welding Procedures and Personnel
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ASME BPVC Section IX Qualified Welding Procedures and Personnel
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ASNT SNT-TC-1A Level III
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ASTM A380/A967 Pickling and Passivation Compliance
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DFARS / Buy American
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