
Valued at $45.7 billion by market cap, Tulsa, Oklahoma-based ONEOK, Inc. (OKE) operates as a leading midstream energy company focused on processing, transportation, and storage of crude, natural gas, and natural gas liquids. The company plays a crucial role in connecting oil & gas producers with end markets across North America.
Companies worth $10 billion or more are generally described as “large-cap stocks.” ONEOK fits right into that category, with its market cap exceeding this threshold, reflecting its substantial size and influence in the oil & gas midstream industry.