ONE Gas, Inc. operates as a regulated natural gas distribution utility company in the United States. The company operates in three divisions: Oklahoma Natural Gas, Kansas Gas Service, and Texas Gas Service. It provides natural gas distribution services to 2.2 million customers in three states. The company serves residential, commercial and industrial, transportation and wholesale, and public authority customers. As of December 31, 2018, it operated approximately 40,300 miles of distribution mains; and 2,600 miles of transmission pipelines, as well as had 48.4 billion cubic feet of natural gas storage capacity. The company was founded in 1906 and is headquartered in Tulsa, Oklahoma.