A. O. Smith Corporation

A. O. Smith manufactures and markets residential and commercial water heaters, boilers, heat pumps, tanks, and water treatment products globally. The company operates through two reporting segments: North America and Rest of World. Both segments produce and sell these product lines within their respective regions. The Rest of World segment primarily includes operations in China, India, and Europe. In 2025, the North America segment generated approximately 78 percent of total sales. This segment serves residential and commercial customers with various products. Water heaters range from 2.5-gallon point-of-use models to 2,500-gallon products, with common residential and commercial sizes between 40 and 80 gallons. Offerings include electric, natural gas, and liquid propane tank-type models, as well as tankless (gas and electric), heat pump, and solar tank units. These are used in residences, restaurants, hotels, office buildings, laundries, car washes, schools, and small businesses. Boilers, ranging from 45,000 BTUs to 6.0 million BTUs, are closed-loop water heating systems primarily for space or hydronic heating. Commercial applications include hospitals, schools, hotels, and other large commercial buildings, while residential boilers are used in homes, apartments, and condominiums. Water treatment products include point-of-entry water softeners, solutions for problem well water, whole-home water filtration products, and point-of-use carbon and reverse osmosis products.