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East Plant

Summit’s East Plant (Plt 5) is located in Portage, MI and was built in 1991.  This 142,500 sq. ft. facility has 23 injection molding presses ranging in size from 120-1100 ton.  Summit East houses a variety of specialty functions including a prototype build area and an applique in mold process. 


6717 South Sprinkle Road
49002 Portage , MI
United States
Phone: (269) 324-9323
Michigan US

Contact Information

Technical Center:
6715 South Sprinkle Road
Portage MI 49002
(269) 324-9330

Dearborn Sales and Design:
15101 North Commerce Drive
Dearborn, MI 48120
(313) 583-6000