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Gwinn, Michigan


Superior Extrusion, Inc. (SEI) is a producer of high quality aluminum extrusions servicing a wide variety of industries. The company specializes in producing architectural and mill finish aluminum shapes for many clients throughout North America. In addition, SEI offers many secondary fabrication and value added services to further enhance the extrusion offering.


Contact Person

Email Address

Company Website

Phone Number

Dan Amberg
President & CEO

(906) 346-7308

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