ONEOK, Inc. is an energy infrastructure company that operates midstream assets across the United States. Its business includes the gathering, processing, storage and transportation of natural gas, as well as the gathering, fractionation, storage and transportation of natural gas liquids (NGLs). The company also provides transportation and storage services for refined petroleum products, crude oil and other related commodities.
ONEOK serves major producing and consuming regions, including the Mid-Continent, Rocky Mountain, Permian and Gulf Coast areas. Its infrastructure connects producers with processing facilities, storage sites, fractionation plants, refineries, export facilities and other end markets. The company’s operations are primarily fee-based, with services provided under a range of contractual arrangements.
ONEOK traces its history to the Oklahoma Natural Gas Company, founded in 1906, and adopted the ONEOK name in 1980. In 2023, the company completed its acquisition of Magellan Midstream Partners, expanding its refined products, crude oil and marine terminal operations. ONEOK is headquartered in Tulsa, Oklahoma, and is led by President and Chief Executive Officer Pierce H. Norton II.
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