
Tulsa, Oklahoma-based ONEOK, Inc. (OKE) operates as a midstream service provider of gathering, processing, fractionation, transportation, storage, and marine export services. With a market cap of $52.7 billion, the company is involved in the natural gas and natural gas liquids business across the U.S.
Companies worth $10 billion or more are generally described as “large-cap stocks,” and OKE perfectly fits that description, with its market cap exceeding this mark, underscoring its size, influence, and dominance within the oil & gas midstream industry. ONEOK's strategic assets across key regions support its services, while its fee-based model minimizes commodity price exposure, driving financial stability and resilience.