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Company/Location Information A. O. Smith Corporation, founded over 150 years ago in Milwaukee, Wisconsin, is a global leader applying innovative technology and energy-efficient solutions to products manufactured and marketed worldwide. Headquartered in Milwaukee, the company is one of the world's leading manufacturers of residential and commercial water heating equipment, as well as a manufacturer of water treatment products. A. O. Smith employs approximately 13,000 people at facilities in the United States, Canada, China, India, Mexico, the Netherlands, and the United Kingdom with sales of... more ->