
	ONEOK, Inc. is a diversified Fortune 200 corporation based in Tulsa, Oklahoma. ONEOK was founded in 1906 as Oklahoma Natural Gas Company, and is one of the largest natural gas distributors in the United States. It changed its corporate name to ONEOK in December 1980. It serves approximately 2 million customers through its natural gas distribution companies Oklahoma Natural Gas, Kansas Gas Service, and Texas Gas Service. ONEOK is also a general partner and owns 45.7 percent of ONEOK Partners, LP which is one of the largest publicly traded limited partnerships in the gathering, processing, storage, and transportation of natural gas. It also owns major natural gas liquids (NGL) systems due to the 2005 acquisition of Koch Industries natural gas businesses.
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