Top wind turbine manufacturers

* Acciona Energy (Spain)
* Aeronautica Windpower (USA)
* Alstom Ecotècnia (Spain)
* A Power Energy Systems ltd. (China)
* Boeing (USA) only experimental. Dismantled.
* Bornay (Spain) [12]
* Cascade Wind Corp. (USA)
* Clipper Windpower (USA)
* Daewoo Shipbuilding & Marine Engineering (Korea)
* DeWind (Germany/USA) - bought by Daewoo Shipbuilding & Marine Engineering in 2009
* Doosan (Korea)
* Emergya Wind Technologies (Netherlands)
* Endurance Wind Power (Canada)
* Enercon (Germany)
* Gamesa Eólica (Spain)
* General Electric (USA)
* Goldwind (China)
* Hanjin (Korea)
* Home Energy International - Producer of the Energy Ball (The Netherlands)
* Hyosung (Korea)
* Hyundai Heavy Industries (Korea)
* IMPSA (Argentina)
* INVAP (Argentina)
* Lagerwey - gone bankrupt in 2003 succeeded by Wind Energy Solutions, Emergya Wind Technologies, Harakosan and DarwinD (Netherlands)
* Lagerwey Wind (The Netherlands)
* Mitsubishi Heavy Industries (Japan)
* NEG Micon, now part of Vestas
* Nordex (Germany)
* Northern Power Systems (USA)
* Norwin A/S (Denmark)
* PacWind (USA)
* Raum Energy Inc. (Canada - Global supplier of 1.3kW and 3.5kW systems)
* REpower (Germany) - bought by Suzlon in 2007
* Samsung Heavy Industries (Korea)
* Scanwind (Norway) - bought by General Electric in 2009
* Siemens (Denmark / Germany)
* Sinovel (China)
* Southwest Windpower (USA)
* SoyutWind (Turkey)
* STX Corporation (Korea)
* Suzlon (India)
* Vestas (Denmark), the world's largest manufacturer of wind turbines
* Vensys (Denmark / Germany)
* Windiva Energy (India)
* Windflow (New Zealand)

Source:Wikipedia