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Call Before You Dig

Avoid careless damage and accidents by calling 811 before starting your springtime excavation project.

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2011 Annual Report

The ONEOK Partners 2011 annual report is available online.

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Corporate Responsibility

We recognize that our continued progress in improving our environment, safety and health performance is a result of the goals we set and the commitment of our entire ONEOK team.

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Who We Are

We are one of the largest publicly traded master limited partnerships and own one of the nation's premier natural gas liquids (NGL) systems, connecting NGL supply in the Mid-Continent and Rocky Mountain regions with key market centers.

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Schedule K-1 
2011 K-1  information is now available online. ONEOK Partners, L.P. will mail 2011 Tax Packages, including schedule K-1s, directly to unitholders by February 28, 2012. If you have questions regarding your tax package, please call our Tax Package Support Center at 1-800-371-2188.
The ONEOK Partners website will be unavailable from 9:30 p.m. Friday, May 18th, until 10 a.m. Saturday, May 19th.

ONEOK Partners, L.P. is one of the largest publicly traded master limited partnerships and is a leader in the gathering, processing, storage and transportation of natural gas in the U.S. and owns one of the nation's premier natural gas liquids (NGL) systems, connecting NGL supply in the Mid-Continent and Rocky Mountain regions with key market centers.


  • Phone Customer Service Shareholder Inquiries:
    1-877-208-7318

  • Phone Customer Service Royalties Relations:

    1-918-588-7463

  • Phone Customer Service Schedule K-1:
    1-800-371-2188

  • E-MailContact ONEOK Partners
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