This app gives you easy access to the technical information of all main gas turbine manufacturers and its subsidiaries in the world through one app. The list includes: Alstom. Ansaldo Energia. Ansaldo Thomassen. Centrax. Dresser Rand. General Electric. John Brown. Kawasaki. Man. Mitsubishi Hitachi Power Systems. Niigata. NPO Saturn. Opra. Rolls Royce. Siemens. Solar Turbines.