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Oil and Gas Field Exploration Services (7,044)

Aerial Geophysical Exploration, Oil and Gas (35)

   Bonanza Creek Energy CO

   Screaming Eagle Aviation

   Cafita

   Weber, Ricky Oil & Gas

   Fulcrum Exploration, LLC

   Wantland & Associates

   Trafalgar Exploration Services, Inc

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Drilling Consultants (4)

   KELLID LIFTING SYSTEMS

   Rock Run Enterprises LLC

   Tri State Oilfield Services LLC

   P.I. Castro Inc.

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Geological Exploration, Oil and Gas Field (253)

   Lawco Exploration

   Brooner Exploration

   Subsurface Library

   Deacon Geology Inc

   Cmo Inc

   Skaer & Sons Inc

   Ask Energy Inc

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Geophysical Exploration, Oil and Gas Field (113)

   Charles L Winn

   S G Muir

   Schlumberger Technology Corp

   Strata Exploration

   Coltex Petroleum Inc

   Raymond Salmon Oil Co

   Ndt Advantage, Inc

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Natural Explorers Resources (13)

   World Resources Group LLC

   Green, Laurence A

   Lab Pros Inc

   Berwind Natural Resources Corp

   Eco-Me

   Mclean Plunger Lift Inc

   Gibson Exploration LLC

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Oil Reports (17)

   Ihs Energy

   Earl Burns Inc

   Herold, John S

   Ihs Energy

   Subsurface Library

   Sooner Well Log Service

   Ihs Energy

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Oil and Gas Consultant (96)

   Kay-c Ltd Usa

   Root's Tax Service

   Ensyte Energy Software Int'l

   Upstream Professionals

   Enmark Energy LLC

   Mull Drilling

   Joe R Dickerson Land Svc Llc

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Oil and Gas Exploration and Development (6,239)

   Cogent Exploration Ltd CO

   Travis Energy Group Inc

   Corkran Energy, Lp

   Endeavour Operating Corporation

   Jordan & Associates

   Sheridan Production Partners I-A, L P

   Gregg Reinke Petroleum Land

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Seismic Data Brokers (10)

   Eagle Geophysical Inc

   Behnam & Assoc. Inc.

   Willisco

   Seismic Assistants Ltd

   Geophysical Pursuit Inc

   Frontier Petroleum Service Inc

   Petroleum Geo-Services Inc

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Seismograph Service (264)

   Oxford Seismic Services Inc

   Bean Systems Inc

   North Seismic LLC

   Geotrak Corp

   Kelman Technologies Inc

   Seismic Drilling Service LLC

   Geo Search LLC

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