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Oil and Gas Field Exploration Services (7,044)

Aerial Geophysical Exploration, Oil and Gas (35)

   Carolinas Flame-Cut Supply

   Jay Management Company, LLC

   Jay Management Company, LLC

   Arena Offshore, LLC

   Bonanza Creek Energy CO

   Galileo Group

   Dove Creek Energy Inc

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Drilling Consultants (4)

   P.I. Castro Inc.

   Tri State Oilfield Services LLC

   Rock Run Enterprises LLC

   KELLID LIFTING SYSTEMS

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Geological Exploration, Oil and Gas Field (253)

   Rains Energy LLC

   Bayou Production Inc

   Coffey, Glenn

   Element Markets LLC

   Tocor Investments Inc

   Weatherford International

   Frank W Harrison Jr

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Geophysical Exploration, Oil and Gas Field (113)

   Weems Geophysical

   Schlumberger Technology Corp

   Rms Limited Inc

   Schlumberger Oilfield Service

   Schlumberger Oilfield Service

   Reeves Technology Corporation

   In Depth Geophysical, Inc

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Natural Explorers Resources (13)

   Eco-Me

   West Bay Exploration CO

   Green, Laurence A

   Mclean Plunger Lift Inc

   World Resources Group LLC

   Lab Pros Inc

   Gibson Exploration LLC

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Oil Reports (17)

   Sooner Well Log Service

   Earl Burns Inc

   Fluidtec Limited

   Ihs Energy

   Ihs Energy

   Rig Data

   Herold, John S

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Oil and Gas Consultant (96)

   Hardin Energy Resources

   Commodore Oil & Gas Corp

   Quadrin Land and Energy Services, Inc.

   Joe R Dickerson Land Svc Llc

   H Frac Consulting Service LLC

   Epi Consultants

   D J Energycom Ltd

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Oil and Gas Exploration and Development (6,239)

   Noble Energy Production Inc

   Western Energetix

   Hallwood Energy Corp

   Triumph Exploration Inc

   Petro-Hunt LLC

   Rose Exploration

   Canada Energy Partners

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Seismic Data Brokers (10)

   Copseismic Sales

   Geophysical Pursuit Inc

   Frontier Petroleum Service Inc

   Eagle Geophysical Inc

   Seismic Assistants Ltd

   Data Point Seismic Service

   Behnam & Assoc. Inc.

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Seismograph Service (264)

   Gulf Seismic Holdings Ltd

   Davis Seismic Services LLC

   Seismic Source

   Millennium Seismic Inc

   Southern 3-D Exploration

   Oxford Seismic Services Inc

   Abdullah N Ghassan

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