ONEOK, Inc., a prominent midstream service provider in the energy sector, has been a key player in the United States’ energy infrastructure. As of November 2, 2026, the company’s stock closed at $91.94 on the NYSE Arca, reflecting a robust market presence with a market capitalization of $58.33 billion. The company’s stock has experienced significant fluctuations over the past year, reaching a 52-week high of $99.85 on August 31, 2026, and a low of $66.93 on November 9, 2025. The price-to-earnings ratio stands at 15.77, indicating investor confidence in its earnings potential.
ONEOK operates across four primary segments: Natural Gas Gathering and Processing, Natural Gas Liquids, Natural Gas Pipelines, and Refined Products and Crude. The company’s extensive infrastructure includes natural gas gathering pipelines and processing plants strategically located in the Mid-Continent, Permian Basin, North Texas, Gulf Coast, and Rocky Mountain regions. These facilities are crucial for providing midstream services to natural gas liquids (NGL) producers.
In addition to its natural gas operations, ONEOK owns and manages NGL gathering and distribution pipelines, fractionation, terminal, and storage facilities. The company plays a vital role in transporting refined products such as gasoline, diesel fuel, aviation fuel, kerosene, and heating oil. Its natural gas transmission pipelines and storage facilities are integral to the regulated interstate and intrastate natural gas markets.
ONEOK’s diversified operations extend beyond energy transportation and storage. The company owns and operates a parking garage in downtown Tulsa, Oklahoma, and leases various assets, including buildings, warehouses, office space, land, and equipment. This includes pipeline equipment, pipeline capacity, rail cars, and information technology equipment, underscoring its comprehensive approach to midstream services.
The company’s customer base is diverse, serving integrated and independent exploration and production companies, other NGL and natural gas gathering and processing companies, crude oil and natural gas production companies, utilities, industrial companies, natural gasoline distributors, propane distributors, municipalities, ethanol producers, petrochemical, refining, and marketing companies, as well as diluent users, refineries, and exporters.
Founded in 1906 and headquartered in Tulsa, Oklahoma, ONEOK, Inc. has a long-standing history of contributing to the energy sector’s infrastructure and efficiency. Its strategic operations and extensive network position it as a critical player in the energy supply chain, supporting a wide range of industries and consumers across the United States.
