Woodward Governor Company designs, manufactures, and services energy control systems and components for commercial and military aircraft, turbines, reciprocating engines, and electrical power system equipment. It has four segments: Turbine Systems, Engine Systems, Electrical Power Systems and Airframe Systems. Turbine Systems is focused on systems and components that provide energy control and optimization solutions for the aircraft and industrial gas turbine markets. Engine Systems is focused on systems and components that provide energy control and optimization solutions for the industrial engine and steam turbine markets, which include power generation, transportation and process industries. Electrical Power Systems is focused on systems and components that provide power sensing and energy control systems. Airframe Systems provides electromechanical motion control systems, including sensors. In April 2009, it acquired the HR Textron business from Textron Inc.