ONEOK is a diversified energy company based in Tulsa, Oklahoma. It delivers essential energy products and services, specializing in natural gas liquids, refined products and crude, and natural gas gathering and processing. ONEOK owns and operates facilities for gathering, fractionating, treating, distributing, and storing natural gas liquids. The company also provides midstream services and interstate and intrastate transportation and storage services through its natural gas pipelines segment. Through sustainable growth and expansion, ONEOK continues to play a vital role in the energy industry.