Material Safety Data Sheets

Material safety data sheets (MSDS) provide information regarding substance properties and safe handling.  MSDS for ONEOK products can be accessed using the links below:


Financial InformationInvestor Information

Financial NewsReports & Filings

ArrowOur Business

Stock InformationAbout ONEOK Partners

  • 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

  • 811 logoCall 811 before you dig.