AISIN U.S.A. MFG., INC. currently has two locations in the Midwest: our 650,000 square foot manufacturing and 100,000 square foot logistics facilities in Seymour, Indiana; and our 166,000 square foot manufacturing facility in Marion, Illinois. Choose one of our locations below to find out more. AISIN U.S.A. MFG., INC. Seymour, Indiana Find out more about our other North American Locations   « About Us Main Menu