Sectors: Oil & Gas » Industries: Oil & Gas Production » Sub Industries: Drilling & Exploration » Companies

• American Energy Group Ltd.
• American Resource Technologies
• Apex Resources Group Inc.
• Arena Resources Inc.
• Arkanova Energy Corp.
• Atlas America, Inc.
• Atlas Energy Resources, LLC
• Atlas Pipeline Holdings, L.P.
• Atwood Oceanics, Inc.
• Australian Oil & Gas Corp.
• Avalon Oil and Gas, Inc.
• Aztec Oil & Gas Inc.
• Beard Co.
• Bill Barrett Corporation
• Bois D'Arc Energy, Inc.
• BPI Energy Holdings, Inc.
• BPZ Energy, Inc.
• BreitBurn Energy Partners, L.P.
• Bronco Drilling Company, Inc.
• Canadian Superior Energy Inc.
• Cano Petroleum, Inc.
• Challenger Energy Corp.
• Cheniere Energy, Inc.
• China North East Petroleum Hol
• CNX Gas Corporation
• Colorado Wyoming Reserve Co.
• Compton Petroleum Corp.
• Consolidated Oil & Gas, Inc.
• Constellation Energy Partners
• Continental Resources, Inc.
• CrossPoint Energy Company
• Dejour Enterprises Ltd.
• Diamond Offshore Drilling, Inc.
• Discovery Oil Ltd.
• Dune Energy, Inc.
• ECCO Energy Corp.
• EnerJex Resources, Inc.
• Enerplus Resources Fund
• ENSCO International Incorporated
• Enterra Energy Trust
• Epic Energy Resources, Inc.
• EV Energy Partners, L.P.
• Gastar Exploration Ltd.
• GeoGlobal Resources Inc.
• Geomet, Inc.
• Grey Wolf, Inc.
• GSV, Inc.
• Gulf Coast Oil & Gas Inc
• Gulf Island Fabrication, Inc.
• Gulf United Energy, Inc.
• Helmerich & Payne, Inc.
• Hercules Offshore, Inc.
• Hiland Holdings GP, LP
• Hiland Partners, LP
• HyperDynamics Corporation
• Ignis Petroleum Group, Inc.
• Jacobs Financial Group, Inc.
• JED Oil Inc.
• Kodiak Oil & Gas Corp.
• Legacy Reserves Lp
• Lions Petroleum, Inc.
• Lonestar Group Holdings, Co.
• Majestic Oil & Gas Inc.
• Mariner Energy, Inc.
• MarkWest Energy Partners, LP
• Miller Petroleum Inc.
• Mountains West Exploration Inc
• Nabors Industries, Inc.
• NATCO Group Inc.
• New Century Energy Corp.
• New Frontier Energy, Inc.
• NGAS Resources, Inc.
• Noble Corporation
• Norsk Hydro ASA
• Pangea Petroleum Corp.
• ParaFin Corp.
• Parker Drilling Company
• Patterson-UTI Energy, Inc.
• Paxton Energy Inc.
• Pengrowth Energy Trust
• Petro Resources Corporation
• PetroHunter Energy Corporation
• Petrol Oil and Gas Inc.
• Petroleo Brasileiro S.A.- Petrobras
• Petrosearch Energy Corp.
• Pinnacle Gas Resources, Inc.
• Pioneer Drilling Co.
• Platina Energy Group, Inc.
• Pluris Energy Group, Inc.
• PRB Gas Transportation, Inc.
• Pride International, Inc.
• Quest Resource Corporation
• Rowan Companies, Inc.
• Santa Fe International Corporation
• Siberian Energy Group, Inc.
• Smarts Oil & Gas, Inc.
• South Texas Oil Co.
• Star Energy Corp.
• Statoil ASA
• Storm Cat Energy Corporation
• Sun River Energy, Inc.
• Surge Global Energy, Inc.
• Tatonka Oil & Gas, Inc.
• Tengasco, Inc.
• Teton Energy Corporation
• TODCO
• Torrent Energy Corp.
• Transmeridian Exploration Inc.
• Transocean Inc.
• Tri-Valley Corporation
• True North Energy Corporation
• Unicorp Inc.
• Union Drilling, Inc.
• Unit Corporation
• United Heritage Corporation
• Universal Energy Corp.
• USA Superior Energy Holdings,
• Venoco, Inc.
• Victory Energy Corporation
• W&T Offshore, Inc.
• Wentworth Energy, Inc.
• Westside Energy Corporation
• Whiting Petroleum Corporation