Oklahoma Natural Gas Co., 680 E State Highway 152, Mustang, OK 73064, US

Founded in 1906, Oklahoma Natural Gas Company is one of the oldest corporations in Oklahoma. Located in Pauls Valley, Okla., it serves approximately 829,000 residential, commercial and industrial customers in Oklahoma. The company has affiliates that operate transmission and storage operations in Oklahoma that include more than 2,500 miles of pipeline and five strategically-located underground storage facilities. Oklahoma Natural Gas Company is a division of Tulsa-based ONEOK Inc., which is among the largest natural gas distributors in the United States.