ONEOK, Inc.

ONEOK, Inc. is a U.S. midstream energy infrastructure company that owns and operates a large network of pipelines and related assets across key oil and gas regions. The company’s primary role is to provide gathering, processing, fractionation, transportation, storage, and marine export services for natural gas, natural gas liquids, refined products, and crude oil. Through its extensive pipeline and terminal system, ONEOK connects upstream producers with downstream utilities, refiners, petrochemical plants, and industrial customers, facilitating reliable movement of hydrocarbons from the Mid-Continent, Permian Basin, North Texas, Gulf Coast, and Rocky Mountain regions to major demand centers. Its operations are organized into distinct segments covering natural gas gathering and processing, natural gas liquids, natural gas pipelines, and refined products and crude, giving it a diversified presence across the midstream value chain. Founded in 1906 and headquartered in Tulsa, Oklahoma, ONEOK today plays a significant role in supporting energy supply chains and meeting domestic and international demand for natural gas and related products.