 In 2009, the company entered the water purification industry with a new venture, A. O. Smith (Shanghai) Water Treatment Products Co. Ltd.In 2010, A. O. Smith opened a 76,000 square foot residential water heater manufacturing plant in Bangalore, India, which later expanded to 297000 sq ft operation with expansion to manufacture of water purification products.Takagi Industrial Company's North American operations were acquired in 2010..