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Partial Client List
• Admire Construction, Skiatook, OK
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American Airlines, Tulsa, OK
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American Nursery Products, Tahlequah, OK
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American Central Gas Co., Tulsa, OK
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AMTECH Corporation, Oklahoma City, OK
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Arbuckle Master Conservation District (AMCD), OK
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Bituminous Insurance Company, Kansas City, KS
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Cambell & Associates, Houston, TX
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Conoco, Inc., Ponca City, OK
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Continental Carbon Company, Houston, TX
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Crosby-McKissick, Tulsa, OK
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CrossTimbers Production Company, Enid, OK
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Duke Energy, Tulsa, OK
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Enerfin Resources, Inc., Houston and Midland, TX
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ERC Industries, Houston, TX
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Fina Oil and Chemical Company, Big Springs TX Refinery, TX
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Glenn Supply Company, Tulsa, OK
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Greenleaf Nursery, Park Hill, OK
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Industrial Sling, Tulsa, OK
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KingsPointe Village, Tulsa, OK
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Kimray, Oklahoma City, OK
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Mapco, Inc., Tulsa, OK
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MCN Investment Corporation, Detroit, MI
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Meridian Technology Center, Stillwater, OK
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Murphy Resources, Inc., Tulsa, OK
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Newfield Exploration Mid-Cont., Tulsa, OK
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Oklahoma National Bank, Tulsa, OK
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Phillips Petroleum Company, Bartlesville, OK
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Sinclair, Inc., Sinclair, Refinery, Tulsa, OK
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State Source, LLC, Tulsa, OK
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Stillwater National Bank, Tulsa, OK
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Syntroleum Corporation, Tulsa, OK
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Thiele Geotech, Inc., Omaha, NE
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Total Petroleum, Inc., Denver, CO
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Transok Pipeline, Inc., Tulsa OK
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Trimac / Ellsworth Trucking
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Tubular Corporation of America, Muskogee, OK
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Unarco, Wagoner, OK
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Upland Resources, Inc., Tulsa, OK
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U.S. Department of Interior: National Park Service
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Vintage Petroleum, Tulsa, OK
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Weinkauf Petroleum, Tulsa, OK
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Whiting Oil Company, Tyler, TX
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Yaffe Iron and Metal, Muskogee, OK
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