ONEOK Statistics, Revenue Totals and Facts (2021)

Here are a few of the most interesting ONEOK statistics and facts I was able to dig up including revenue totals and employee counts. As always, be sure to check back in the future as I will be updating this post as new and updated stats become available.


  • Website: Official Website
  • Year Founded: 1906
  • Headquarters: Tulsa, OK
  • Founder(s): CB Ames and Ryan Haynes
  • Current Chief Executive: Terry Spencer

What is ONEOK?

(pronounced ONE-OAK) (NYSE: OKE ) Originally founded in 1906 as an intrastate natural gas pipeline business in Oklahoma, ONEOK today is one of the largest energy midstream service providers in the U.S., connecting prolific supply basins with key market centers. Its business segments provide safe, reliable energy and services to diverse customers. It owns and operates one of the nation’s premier natural gas liquids (NGL) systems and is a leader in the gathering, processing, storage and transportation of natural gas. ONEOK’s operations include a 38,000-mile integrated network of NGL and natural gas pipelines, processing plants, fractionators and storage facilities in the Mid-Continent, Williston, Permian and Rocky Mountain regions. ONEOK’s success is driven by employees who strive to better not only their company but also the communities in which they live. ONEOK is a FORTUNE 500 company and is included in Standard & Poor’s (S&P) 500 Stock Index. (source)

ONEOK Employee Count

Number of ONEOK employees:


Last updated 2/1/18

ONEOK Revenue Totals

ONEOK annual revenue:

ONEOK Statistics

Amount of ONEOK NGL and natural gas pipelines:

38,000 miles

Last updated 9/21/18

ONEOK natural gas storage capacity:

50 bcf

Last updated 9/21/18

ONEOK NGL fractionation capacity:

840,000 bpd

Last updated 9/21/18

Please note that some of these numbers are easier to find than others. A few of these ONEOK stats come from their own reports, but some are based on news reports and not official company tallies. No information contained on DMR should be relied upon to make investment decisions. Basically, this is the best I can find and I don’t guarantee anything to be 100%.