Our Business Segments

ParkOhio operates in three business segments. Supply Technologies LLC, which specializes in Total Supply Management™ services, accounted for over $600 million in sales. Assembly Components, a leader in manufacturing of highly engineered components in aluminum castings and machining, fluid routing, injection molded rubber, thermoplastic products, low and high pressure fuel rails and direct injection lines used in Port Fuel Injection and Gasoline Direct Injection Systems, accounted for approximately $575 million in sales. Engineered Products, consisting of a diverse group of niche manufacturing businesses that design and manufacture a broad range of highly-engineered products, accounted for approximately $443 million in sales. Specific financial performance information can be found in the Annual Reports section of this website.