Parker-Hannifin Corporation, originally Parker Electric Company, often referred to as Parker, is an American company specializing in motion and control technology. The company was founded in 1917. Its corporate headquarters is in Cleveland, Ohio, and has been publicly traded on the New York Stock Exchange since December 9, 1964. The company is motion control technology (including aerospace, climate control, electromechanical, filtered fluid and gas processing, hydraulic, pneumatic, process control, and sealing and shielding.