About Us

  • ONEOK (NYSE: OKE) is the sole general partner and owns 43.4 percent of ONEOK Partners, L.P. (NYSE: OKS), a publicly traded limited partnership engaged in natural gas gathering and processing, natural gas pipelines and natural gas liquids. 
  • ONEOK is three natural gas distribution companies serving more than two million customers in Oklahoma, Kansas and Texas.
  • ONEOK is an energy services company marketing natural gas and related services to local distribution companies, industrial customers and power generators.
  • ONEOK is a Fortune 500 company.

Originally founded in 1906 as an intrastate natural gas pipeline business in Oklahoma, today ONEOK is one of the nation's premier energy companies involved in the natural gas and natural gas liquids businesses. Its business segments provide safe, reliable energy and services to their diverse customers. By following a strategy that blends the performance and profitability of all of the segments, ONEOK's balanced business mix enables it to deliver sustainable earnings growth for shareholders. ONEOK’s success is driven by employees who strive to better not only their company but also the communities in which they live.

View ONEOK Fact Sheet.

ONEOK's headquarters are located in:

ONEOK Plaza
100 West Fifth Street
Tulsa, OK 74103
Phone: 918-588-7000


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  • E-MailContact ONEOK

  • Phone Customer Service Shareholder Inquiries:

    1-877-208-7318

  • Phone Customer Service Royalties Relations:

    1-918-588-7463

  • 811Call 811 before you dig.

  • ONEOK Partners' Schedule K-1 Questions:
    1-800-371-2188.