ONEOK is a leading midstream service provider offering full-service capability across its 38,000-mile network of NGL and natural gas pipelines. It connects NGL supply in the Mid-Continent, Permian and Rocky Mountain regions with key market centers. ONEOK’s customers include major crude oil and natural gas producers; utilities, large industrial companies, natural gasoline and propane distributors, municipalities and petrochemical, refining and marketing companies; as well as local natural gas distribution companies, electric generation facilities, and municipalities. The company owns one of the nation’s largest natural gas liquids systems and an extensive network of natural gas gathering, processing, storage and transportation assets. Its premier asset base is located in most prolific U.S. commodity-producing basins - Permian and Williston and Powder River basins; STACK and SCOOP areas. ONEOK operates through natural gas liquids, natural gas gathering and processing, and natural gas pipeline segments. Nearly 90% of the company’s earnings are fee-based.