Originally founded in 1906 as an intrastate natural gas pipeline business in Oklahoma, ONEOK now is among the largest energy midstream service providers in the U.S., linking prolific supply basins with key market facilities. Its business segments deliver safe, reliable energy and services to diverse clients.

It owns and operates one of the country's premier natural gas liquids (NGL) systems and is a pioneer in the gathering, processing, storage and transport of natural gas.

ONEOK's operations comprise a 38,000-mile integrated network of NGL and natural gas pipelines, processing plants, fractionators and storage facilities at the Mid-Continent, Williston, Permian and Rocky Mountain areas.

ONEOK's success is driven by employees who attempt to better not only their company but also the communities in which they reside. ONEOK is a FORTUNE 500 company and is contained in Standard & Poor's (S&P) 500 Stock Index.