Wind Turbine (WTG) Companies are increasingly facing competition from a host of new entrants into the industry.The dominants firms like Vestas,Gamesa,GE,Siemens and Suzlon have seen their stock prices fall steeply due to declining revenues and margins.A number of Giant Industrial Firms have entered the Wind Energy Industry to diversify from the slow growth in their own sectors.Korean Shipbuilders have invested heavily in the Wind Turbine Manufacturing en masse to take advantage of the secular growth of Wind Energy.Chinese companies have risen from virtually nothing 5 years ago to become Top 5 Global Wind Energy Players.The Chinese companies have seen massive growth on the back of a strongly growing domestic market.China which now accounts of 50% of the world Wind Turbine market in 2010 is expected to see continued strong growth with the Chinese government setting a target of more than 100 GW by 2015.Here is a list of the major Wind Power Companies in the World.