Park-Ohio Holdings Corp. provides supply chain management outsourcing services, capital equipment, and manufactured components in the United States, Europe, Asia, Mexico, Canada, and internationally. The company operates through three segments: Supply Technologies, Assembly Components, and Engineered Products. The Supply Technologies segment offers total supply management, which consists of engineering and design support, part usage and cost analysis, supplier selection, quality assurance, bar coding, product packaging and tracking, just-in-time and point-of-use delivery, electronic billing, and ongoing technical support services.