List of companies based in Tulsa, Oklahoma facts for kids

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This list is very out of date and incomplete.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 Purchased by Enterprise. Most jobs moved to St. Louis or eliminated. Small/Growing Shared Service Center remains.
• Red Man Pipe and Supply

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