Oklahoma Natural Gas is a division of Tulsa-based ONE Gas, Inc. (NYSE:OGS), one of the largest publicly traded, 100 percent-regulated natural gas utilities in the United States. ONE Gas provides natural gas distribution services to more than 2 million customers in Oklahoma, Kansas and Texas. Headquartered in Tulsa, Okla., its companies include the largest natural gas distributor in Oklahoma and Kansas, and the third largest in Texas, in terms of customers. ONE Gas is a successor to the company founded in 1906 as Oklahoma Natural Gas Company, and became ONEOK, Inc. (NYSE: OKE) in 1980. ONEOK separated its natural gas distribution business in 2014 to create ONE Gas, Inc.,
