American Water Works Co., Inc. engages in the provision of complementary water and wastewater services. It operates through the Regulated Businesses, and Market-Based Businesses and Other segments. The Regulated Businesses segment offers services to residential, commercial, industrial, public authority, fire service, and sale for resale customers. The Market-Based Businesses and Other segment delivers services to the U.S. government on military installations, as well as municipalities, and utility customers. The company was founded in 1886 and is headquartered in Camden, NJ.