4750 Executive Dr.
Portage, MI 49002
Located in Portage, Michigan, the original Summit facility has moved to a new (1997) 85,000 sq. ft. facility with 20 injection presses ranging from 75 to1000 ton. This is a 3 shift operation with 270 employees, which supports a variety of molding, painting and assembly processes. This plant produces A/C registers in addition to trim panels, glove boxes, cupholders, and flocked bins.