Summit Polymers is a leading Tier 1 Automotive Supplier of automotive interior systems. As a world-class automotive supplier of injection molded interior trim, we specialize in the engineering, manufacturing, and assembly of feature based registers, consoles and trim panels. Privately held, we have 3000 employees at 11 manufacturing sites, with plants in Michigan, Kentucky, Mexico, China, and Vietnam; plus a Technical Center in Portage, MI and Sales and Engineering office in Plymouth, MI. Our client base includes Ford, GM, Chrysler, Toyota, Nissan, VW, and Stellantis.