What is List of companies based in Tulsa, Oklahoma?
{{redlinks|date=March 2021}} {{Expand list}} '''Companies headquartered in [[Tulsa, Oklahoma]]''' This list is very out of date and incomplete. ==Largest Companies== *[[ONEOK]] - [[Fortune 500]] (312) *[[Williams Companies]] - Fortune 500 (367) *[[Dollar-Thrifty Automotive Group]] - Fortune 1000 (958) - Purchased by Hertz and Jobs moved from Tulsa. *[[Semgroup]] *[[QuikTrip]] - Fortune's Largest Private Companies (33) *[[Vanguard Automotive Group]]:[[Alamo]], [[National Car Rental|National]] Purchased by Enterprise. Most jobs moved to St. Louis or eliminated. Small/Growing Shared Service Center remains. ==Other companies== *[[AAON]] *[[Bama Pie]] *[[BOK Financial Corporation]], parent company of Bank of Oklahoma, Bank of [[Texas]] and 4 other bank subsidiaries *[[Bluefin Payment Systems]] *[[Casillas Petroleum]] *[[Crane Carrier Corporation]] *[[ENGlobal Corporation]] *[[Enovation Controls]] *[[Explorer Pipeline]] *[[Facet International]] *[[FlightSafety International]] [[(Simulation Systems Division)]] *[[Rubbean Construction Company]] *[[GasTech Engineering Corporation]] *[[Helmerich & Payne, Inc.]], oil and gas exploration, and real-estate holding company *Hilti USA - Moved most of it's operation to Dallas. *[[John Zink Co.]] *[[Kenco Engineering]] *[[Lowrance Electronics]] *[[Lufthansa Technik Tulsa]] *[[Magellan Midstream Partners, L.P.]] *[[Manhattan Construction Company]] *[[Matrix Services]] *[[Mazzio’s]] *[[McElroy Manufacturing, Inc.]] *[[Nordam Group]] *[[Plymouth Pharmaceuticals]] *[[Public Service Company of Oklahoma]] a subsidiary of [[American Electric Power]] *[[RibCrib]] *[[Saint Francis Health System]] *Skycam *[[SmartMax Software]] *[[Syntroleum]] *Samson Investment Company, petroleum production and exploration company *TD Williamson *[[Unit Corp]] *Webco Industries *Winnercomm *[[Xcel Energy]] *[[Xeta Technologies]] *[[ZFG Mortgage]] *[[Leinbach Company]] {{Tulsa companies}} {{DEFAULTSORT:companies based in Tulsa, Oklahoma}} [[Category:Tulsa, Oklahoma]] [[Category:Oklahoma-related li