Superior Extrusion, Inc. (SEI) is a national leader in extruded aluminum products, right here in the heart of the Upper Midwest.

Working with our clients, we create specialized aluminum parts that are used in everyday life. SEI uses multiple hydraulic presses to create the starting aluminum shapes needed to make vehicle parts, docks, trailers, boats and so much more. Providing quality aluminum parts reliably is our promise to you.  

                         Safety
                             We work safely

                                 Excellence                                                                                                                                                  In our work ethic and quality of our products

                                         Industry Leaders
                                              In our service and commitment to our customers