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Oil and Gas Field Exploration Services (7,044)

Aerial Geophysical Exploration, Oil and Gas (35)

   Brown, Don E

   Bonanza Creek Energy CO

   Transatlantic Exploration Ltd

   Exxonmobile Lng Supply LLC

   Crow Creek Operating Company Ii L L C

   Guaranty Petroleum

   Boulder Energy Partners, LLC

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Drilling Consultants (4)

   KELLID LIFTING SYSTEMS

   Tri State Oilfield Services LLC

   P.I. Castro Inc.

   Rock Run Enterprises LLC

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Geological Exploration, Oil and Gas Field (253)

   Geomon Consulting

   Woodward, Raymond L

   Jma And Associates

   Optimistic Oil CO

   Stroud Exploration Co LLC

   Seisma Oil Research, LLC

   Family Heritage Project

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Geophysical Exploration, Oil and Gas Field (113)

   Titan Energy Corp

   Fairfield Industries

   Denke Oil Company

   Vermilion Sea Field Station

   Union Gas Operating Company

   Geophysical Explorer Ltd

   Seis Pros Inc

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Natural Explorers Resources (13)

   Mclean Plunger Lift Inc

   Laurel Exploration CO

   Berwind Natural Resources Corp

   Hughes Archeology, Inc.

   West Bay Exploration CO

   Lab Pros Inc

   Green, Laurence A

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Oil Reports (17)

   Manna Services

   Subsurface Library

   Hpdi

   Ihs Energy

   Ihs Energy

   Ihs Energy

   Ihs Energy

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Oil and Gas Consultant (96)

   Chaparral Entertainment

   Quality Operating Inc

   Hardin Energy Resources

   Kimberly Ley, LLC

   Home Oil CO Inc

   Phillips Oil Properties

   Urbieta Oil Inc

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Oil and Gas Exploration and Development (6,239)

   Jamin Energy, Inc

   Sam S Trant

   Thomas Operating Limited Company

   Calypso Energy

   Samson - International, Ltd

   Hawkhill Operating Company L L C

   Magellan Petroleum Corp

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Seismic Data Brokers (10)

   Frontier Petroleum Service Inc

   Copseismic Sales

   Seismic Exchange Inc

   Willisco

   Geophysical Pursuit Inc

   Data Point Seismic Service

   Seismic Assistants Ltd

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Seismograph Service (264)

   Seismic Exchange Inc

   Geokinetics

   Triton Data Services, Inc

   Schlumberger Western Geco

   Seismic Sound International

   Seismic Source

   Paulsson Geophysical Service Inc

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