Parker Hannifin Corporation specializes in designing, manufacturing, and selling monitoring and control systems. Net sales break down by family of products as follows: - industrial systems (72.5%): industrial pipes, pipe connectors and adapters, oil filters, air filters, motors, hydraulic pumps and valves, pneumatic accessories, diagnostic equipment, climate control and monitoring systems (carbonic gas control systems, electronic controllers, pressure regulators, electromagnetic valves, thermostatic pressure relief valves), etc. North America accounts for 60.9% of net sales; - aerospace systems and components (27.5%): flight control systems, fluid flow automation and monitoring systems, hydraulic components, brakes, etc. intended for military and commercial aircraft. Net sales break down geographically as follows: North America (67.8%), Europe (19.7%), Asia/Pacific (11.4%) and Latin America (1.1%).