Incorporated in 1994, Great Lakes Metal Finishing remains owned and operated by President Dennis Hartwig, who has more than 35 years of experience in the trade and stays involved in daily operations. From its 40,000-square-foot Erie facility, the company provides protective metal finishing for manufacturers across the region and beyond, with a particular reputation for its proprietary olive-drab process and consistent black zinc finishes. Six automated plating lines, an on-site laboratory, and ISO 9001:2015 certification support its specification-driven work.
ISO 9001:2015
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ZinKlad
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RoHS Compliant Trivalent Chromates
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QUALICOAT Approved
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GSB Approved
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MIL-DTL-81706B
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MIL-DTL-5541F
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ASTM A 967
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ASTM A 380
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ASTM B633
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MIL-STD-171E
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