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Oil and Gas Field Exploration Services (7,044)

Aerial Geophysical Exploration, Oil and Gas (35)

   Crow Creek Operating Company Ii L L C

   Arena Offshore, LLC

   Weber, Ricky Oil & Gas

   Midenergy Operating, LLC

   Guaranty Petroleum

   Jay Management Company, LLC

   Fall River Resources Inc

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Drilling Consultants (4)

   Tri State Oilfield Services LLC

   KELLID LIFTING SYSTEMS

   P.I. Castro Inc.

   Rock Run Enterprises LLC

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Geological Exploration, Oil and Gas Field (253)

   Dmigeo, Inc

   Neos, Inc

   Geologic Drilling Inc

   Geo Squared Consulting, Inc

   Oginfo.com LLC

   Christopher Edwards

   Schlumberger Oilfield Service

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Geophysical Exploration, Oil and Gas Field (113)

   Selan Exploration Inc

   Fairfield Industries Inc

   Pinelake Petroleum Inc

   Bgp International Inc

   Telesis Geophysical Services, LLC

   Strata Exploration

   Ggm Exploration, Inc

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Natural Explorers Resources (13)

   World Resources Group LLC

   Laurel Exploration CO

   West Bay Exploration CO

   Berwind Natural Resources Corp

   Longbow LLC

   Green, Laurence A

   Gibson Exploration LLC

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Oil Reports (17)

   Manna Services

   Hpdi

   B L Resources

   Earl Burns Inc

   Fluidtec Limited

   Ihs Energy

   Ihs Energy

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Oil and Gas Consultant (96)

   Lane Brothers Drilling Inc

   D J Energycom Ltd

   Marisol Energy Corporation

   Wesco

   Joe R Dickerson Land Svc Llc

   Kns Consulting

   Mfa Oil

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Oil and Gas Exploration and Development (6,239)

   Bayside Petroleum CO Inc

   Jet Drilling Inc

   Belden & Blake Corp

   Optimization Petroleum Technologies, Inc.

   Kalmbach Production

   H G Schiff & CO

   Vecta Exploration

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Seismic Data Brokers (10)

   Petroleum Geo-Services Inc

   Data Point Seismic Service

   Seismic Assistants Ltd

   Behnam & Assoc. Inc.

   Willisco

   Geophysical Pursuit Inc

   Frontier Petroleum Service Inc

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Seismograph Service (264)

   Sauls Seismic Inc

   Pac Geophysical Inc

   Polaris Explore Usa Inc

   Lockhart Geophysical CO

   Baker Atlas

   Seismic Solutions

   Geophysical Pursuit

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