ONE Gas, Inc. is a regulated natural gas distribution utility in the United States. The Company provides natural gas distribution services through its divisions in Oklahoma, Kansas and Texas through Oklahoma Natural Gas, Kansas Gas Service and Texas Gas Service. The Company serves residential, commercial and transportation customers. The Company’s natural gas distribution markets in terms of customers are Oklahoma City and Tulsa, Oklahoma; Kansas City, Wichita and Topeka, Kansas; and Austin and El Paso, Texas. Its three divisions, Oklahoma Natural Gas, Kansas Gas Service and Texas Gas Service, distribute natural gas to approximately 88%, 72% and 13% of the natural gas distribution customers in Oklahoma, Kansas and Texas, respectively.