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2015 Annual Report

The ONEOK 2015 annual report is available online.

Find out more.

ONEOK is a diversified energy company. 
ONEOK, Inc. (pronounced ONE-OAK) (NYSE: OKE) is the general partner and, as of March 31, 2016, owns 41.2 percent of ONEOK Partners, L.P. (NYSE: OKS), one of the largest publicly traded master limited partnerships, which owns one of the nation's premier natural gas liquids (NGL) systems, connecting NGL supply in the Mid-Continent, Permian and Rocky Mountain regions with key market centers and is a leader in the gathering, processing, storage and transportation of natural gas in the U.S. ONEOK is a FORTUNE 500 company and is included in Standard & Poor's (S&P) 500 Stock Index.

 


  • EmailContact ONEOK
  • Phone Customer Service Shareholder Inquiries:

    877-208-7318

  • Phone Customer Service Royalties Relations:

    918-588-7463

  • 811Call 811 before you dig.

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