Alstom Power; GE Energy; Tata Power Company; Hydrochina International; CPFL Energia; Sinohydro Corporation; RusHydro; Andritz; Agder Energi SA; GE; Voith Group; ABB Ltd; Duke Energy; Acciona Energia
S.A; Ontario Power Generation; Statkraft; Nepal Electricity Authority; Hydro-Quebec; Georgia Power; Mitsubishi Heavy Industries
Ltd; MidAmerican Energy Holdings Company; Ertan Hydropower Development Company
Ltd; OJSC Bashkirenergo; China Three Gorges Corporation; China Hydroelectric Corporation; IHI Corporation; BC Hydro; EDP Energias do Brasil SA; China Yangtze Power Co. Ltd; Vattenfall AB