Kosei St. Marys Corporation manufactures cast-aluminum automotive wheels in St. Marys, Ohio, with 43 million wheels produced and vehicles from major automakers among its applications. As an American company supported by Japan’s Kosei Aluminum Co., Ltd., it combines American and Japanese manufacturing and management expertise while emphasizing continuous improvement, defect prevention, and on-time delivery. Its environmental program addresses the effects of its operations through monitoring, compliance, and a reduce-reuse-recycle approach.
Environmental Management System (EMS)
Compliance program
Pro Performance WheelsFounded in 2000 by husband-and-wife team Louis and Lisa Virost, Pro Performance Wheels grew from a 7,000-square-foot rented shop into an American wheel manufacturer based in Bedford Heights, Ohio. The company draws on more than 25 years in alloy-wheel and aerospace metal finishing while producing aluminum wheels and beadlock trim rings for truck and SUV owners. Its newer 166,000-square-foot wheel campus reflects a deliberate shift from finishing wheels to building them domestically.BEDFORD, OH
Ahresty Wilmington CorporationAhresty Wilmington Corporation is a Wilmington, Ohio manufacturer founded in 1988 to serve Ahresty Corporation’s U.S. automotive customer base. With 700 employees reported in 2023, the company has built an integrated production operation around aluminum die castings and has been recognized by automotive customers for quality, delivery, and productivity improvements. Its work is certified to ISO 9001, ISO 14001, and IATF 16949 standards.WILMINGTON, OH
Cast Metals TechnologyCast Metals Technology is an American manufacturer of aluminum sand castings and precision-machined parts, founded in 1992. It operates three facilities in Ohio and Indiana, with casting production in Union City and Winchester and machining and assembly work in Selma. The company serves OEM manufacturers nationwide.UNION CITY, OH
Iochpe-MaxionIochpe-Maxion, whose roots reach back to a family enterprise founded in 1918, makes automotive wheels and structural components for vehicle manufacturers worldwide. Through Maxion Wheels and Maxion Structural Components, the company operates a global network of engineering and production sites while maintaining local operations across the Americas and beyond. Its long-running Formare partnership also provides professional education for young people in vulnerable communities, with seven company-run units in Brazil, Mexico and India.COLLEGE PARK, MD