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Frequently Asked Questions
Company Overview
What is ONEOK?
ONEOK, Inc. (NYSE: OKE) is a leading midstream energy company that provides gathering, processing, fractionation, transportation, storage, and marine export services in the United States. Through an approximately 60,000-mile pipeline network, ONEOK transports natural gas, natural gas liquids (NGLs), refined products, and crude oil, connecting producers to domestic and international markets. ONEOK is headquartered in Tulsa, Oklahoma, and was founded in 1906.
What does "midstream" mean?
Midstream refers to the segment of the energy industry between upstream production (drilling and extraction) and downstream refining and distribution to consumers. ONEOK's midstream operations include gathering raw natural gas and NGLs from wells, processing and fractionating those products, and transporting them through pipelines to refineries, petrochemical plants, export terminals, and other end-use markets.
How is ONEOK pronounced?
ONEOK is pronounced "ONE-OAK." The name derives from “Oklahoma Natural Gas Company,” the company's original name when it was founded in 1906. The corporate name was changed to ONEOK in 1980.
Is ONEOK publicly traded?
Yes. ONEOK trades on the New York Stock Exchange under the ticker symbol OKE. The company is a member of both the S&P 500 and the Fortune 500.
When was ONEOK founded?
ONEOK was founded on October 12, 1906, as Oklahoma Natural Gas Company. The company changed its name to ONEOK in 1980.
Where is ONEOK headquartered?
ONEOK is headquartered at ONEOK Plaza, 100 West Fifth Street, Tulsa, Oklahoma 74103.
Business Segments & Operations
What are ONEOK's business segments?
ONEOK operates in four business segments: Natural Gas Gathering and Processing, which gathers and processes raw natural gas from production wells; Natural Gas Liquids, which gathers, fractionates, transports, and stores NGLs; Natural Gas Pipelines, which transports and stores natural gas through regulated interstate and intrastate pipelines; and Refined Products and Crude, which transports, stores, and distributes refined products and crude oil.
Where does ONEOK operate?
ONEOK's operations span multiple regions across the United States, including the Mid-Continent (Oklahoma, Kansas, and the Texas Panhandle), the Permian Basin (West Texas and southeastern New Mexico), the Rocky Mountain region (Montana, North Dakota, Wyoming, and Colorado), North Texas (Barnett Shale), and the Gulf Coast (Texas and Louisiana). Key market centers include Mont Belvieu, Texas and Conway, Kansas.
How large is ONEOK's pipeline network?
ONEOK owns and operates an approximately 60,000-mile pipeline network across the United States. This infrastructure connects natural gas and NGL supply basins with key domestic market centers and export facilities.
What products does ONEOK transport?
ONEOK transports natural gas, NGLs (including ethane, propane, butane, isobutane, and natural gasoline), refined products (including gasoline, diesel fuel, aviation fuel, kerosene, and heating oil), and crude oil.
Who are ONEOK's customers?
ONEOK serves integrated and independent exploration and production companies, NGL and natural gas gathering and processing companies, crude oil and natural gas production companies, utilities, industrial companies, propane distributors, municipalities, ethanol producers, petrochemical and refining companies, and exporters.
What is ONEOK's "wellhead to water" value chain?
""Wellhead to water" describes ONEOK's integrated infrastructure that connects energy production at the wellhead through gathering, processing, fractionation, transportation, and storage to marine export terminals on the Gulf Coast. This integrated system enables ONEOK to provide comprehensive midstream services across the full value chain.
Leadership
Who is ONEOK's Chief Executive Officer?
Pierce H. Norton II is president and chief executive officer of ONEOK and a member of the ONEOK Board of Directors. Norton originally joined ONEOK in 2004 and previously served as president and CEO of ONE Gas, Inc., following its 2014 spin-off from ONEOK. He earned a Bachelor of Science degree in mechanical engineering from the University of Alabama.
Who is ONEOK's Chief Financial Officer?
Walter S. Hulse III serves as executive vice president, chief financial officer, treasurer, investor relations and corporate development of ONEOK. Hulse oversees the company's financial strategy, capital markets activities, investor relations, and treasury operations.
Who is ONEOK's Chief Operating Officer?
Randall J. Lentz serves as executive vice president and chief operating officer of ONEOK. Lentz oversees the company's operational activities across all four business segments.
Who is ONEOK’s Chief Commercial Officer?
Sheridan Swords is executive vice president and chief commercial officer for the company’s integrated businesses, with commercial responsibility for the natural gas liquids, refined products and crude oil, natural gas gathering and processing and natural gas pipelines business segments.
Who is ONEOK’s Chief Legal Officer?
Lyndon Taylor is executive vice president, chief legal officer and assistant secretary of ONEOK.
Financial Information
What is ONEOK's annual revenue?
ONEOK reported full-year 2025 revenue of approximately $33.6 billion. The company reported net income attributable to ONEOK of $3.39 billion, or $5.42 per diluted share, and adjusted EBITDA of $8.02 billion for full-year 2025.
What percentage of ONEOK's earnings are fee-based?
Approximately 90% of ONEOK's 2025 earnings were fee-based, which limits the company's direct exposure to commodity price volatility and supports more predictable cash flows.
How many employees does ONEOK have?
As of December 31, 2025, ONEOK had approximately 6,300 employees across its operations in the United States.
Sustainability & ESG
What is ONEOK's greenhouse gas emissions reduction target?
ONEOK has targeted a 2.2 million metric ton reduction of combined Scope 1 and Scope 2 greenhouse gas emissions by 2030, representing a 30% reduction from a 2019 baseline. As of year-end 2025, ONEOK achieved approximately 77% of that targeted reduction.
How has ONEOK reduced methane emissions?
Since 2019, ONEOK has reduced absolute methane emissions from Scope 1 operations by approximately 57%. The company uses methane detection technology, implements best management practices, and works to eliminate methane emission sources across its operations, including the use of emission-detection satellite technology.
Does ONEOK publish a sustainability report?
Yes. ONEOK publishes an annual Corporate Sustainability Report, available at sustainability.oneok.com. The report aligns with recognized frameworks, including SASB, GRI, and TCFD, and includes the Midstream ESG Reporting Template developed by the Energy Infrastructure Council and GPA Midstream Association.
Careers & Culture
What are ONEOK's core values?
ONEOK's core values are safety, environmental responsibility, ethics, inclusion and diversity, excellence, service, and innovation. These values guide the company's culture, operations, and decision-making.
Does ONEOK offer internships or early-career programs?
Yes. ONEOK offers internship and early-career development programs, including the Momentum Leadership Program for new supervisors and early-career professionals. Information about current openings is available at oneok.com/careers.
How does ONEOK support local communities?
ONEOK's Community Investments team works closely with employees and local organizations to foster relationships and support initiatives that matter. Whether through financial contributions or volunteerism, we believe investing in our communities because strong communities and strong businesses go hand in hand. Learn more here: https://www.oneok.com/about-us/community-investments.
Media & Contact
How do I contact ONEOK's media relations team?
Media inquiries can be directed to media@oneok.com. Additional contact information and media resources, including logos and brand assets, are available in the ONEOK Newsroom at oneok.com/newsroom.
How do I contact ONEOK's investor relations team?
Investor inquiries can be directed to investor-relations@oneok.com or through the investor relations section of ONEOK's website at ir.oneok.com.