American Water Works Company, Inc. is an American public utility company that, through its subsidiaries, provides water and wastewater services in the United States. Its regulated operations provide water and wastewater services to approximately 1,700 communities in 14 states, serving a population of approximately 14 million. The company has 3.4 million customers which includes residential, commercial, fire service and private fire, industrial, government facilities, and other water and wastewater utilities. The shares are traded on the NYSE under the ticker AWK. Wikipedia