AO Smith
- Country: United States
- Type: Commercial
- Website: www.aosmith.com
- Update: 05-02
A. O. Smith (A. O. Smith) is a world-renowned water heater manufacturer headquartered in Milwaukee that produces domestic and commercial water heating appliances, and is listed on the New York Stock Exchange (NYSE:AOS), making it the largest water heater manufacturer and distributor in North America.
