ONEOK

ONEOK, Inc. (pronounced like 'one oak') () is a diversified Fortune 200 corporation based in Tulsa, Oklahoma.  Founded in 1906 as Oklahoma Natural Gas Company, it is one of the largest natural gas distributors in the United States.

Other websites
 ONEOK Website

Category:Tulsa, Oklahoma
Category:Companies based in Oklahoma
Category:1906 establishments in the United States
Category:1900s establishments in Oklahoma Territory