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At ONEOK (NYSE: OKE), we deliver energy products and services vital to an advancing world. We are a leading midstream operator that provides gathering, processing, fractionation, transportation, storage and marine export services. Through our approximately 60,000-mile pipeline network, we transport the natural gas, natural gas liquids (NGLs), refined products and crude oil that help meet domestic and international energy demand, contribute to energy security and provide safe, reliable and responsible energy solutions needed today and into the future. As one of the largest diversified energy infrastructure companies in North America, ONEOK is delivering energy that makes a difference in the lives of people in the U.S. and around the world.

ONEOK Questions

The ONEOK annual revenue was $19.9 billion in 2026.

Rob Martinovich is the President, Natural Gas Gathering and Processing of ONEOK.

3,455 people are employed at ONEOK.

ONEOK is based in Tulsa, Oklahoma.

The NAICS codes for ONEOK are [22, 48, 221].

The SIC codes for ONEOK are [492, 49].

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