ONEOK, Inc. (pronounced ONE-OAK) (NYSE: OKE) is one of the largest energy midstream service providers in the U.S., connecting prolific supply basins with key market centers. It owns and operates one of the nation's premier natural gas liquids (NGL) systems and is a leader in the gathering, processing, storage and transportation of natural gas. ONEOK’s operations include a 38,000-mile integrated network of NGL and natural gas pipelines, processing plants, fractionators and storage facilities in the Mid-Continent, Williston, Permian and Rocky Mountain regions. ONEOK is a FORTUNE 500 company and is included in Standard & Poor's (S&P) 500 Stock Index.