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Crude Petroleum and Natural Gas (893)

Coal Gasification (3)

   Westwood Energy Systems Inc

   Swan Hills Synfuels Ltd

   Swan Hills Synfuels Limited Partnership

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Natural Gas Production (192)

   Petro-Canada

   Westdrum Energy Ltd

   Wentworth Resources Limited

   Goldnev Resources Inc

   Bcbiocleans

   Direct Energy Marketing Limited

   Bearspaw Petroleum Ltd

   Everest Holdings Ltd

   Spectra Energy Canada Exchangeco Inc

   Sunset Grain & Oil Inc

   Canadian Spirit Resources Inc

   Altagas Utility Group Inc

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Oil Crude (174)

   Cosmos

   Canetic Resources

   Voyageur Oil & Gas Corp

   Nuvista Resources

   Thunderbird Energy

   Mohawk

   Talisman Energy Inc

   Ambit Energy Corp

   Signalta Resources Ltd

   Barrington Petroleum Ltd

   Gusher Oil & Gas

   Deer Creek Energy Ltd

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Oil Sand Mining (23)

   Albian Sands Energy Inc

   Fort Hills Energy L P

   Suncor Energy Oil Sands Limited Partnership

   Japan Canada Oil Sands Limited

   Osum Oil Sands Corp

   Statoil Canada Ltd

   Harvest Operations Corp

   Transfield Asset Management Services Ltd

   Silverbirch Energy Corp

   840545 Alberta Ltd

   Sunshine Oilsands Ltd

   Great Divide Oil Sands Partnership

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Oil Shale Mining (3)

   Avenex Energy Corp

   Avenex Energy Corp

   Energy Fuels Inc

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Oil and Gas Producers (498)

   Tasco Energy Ltd

   Westrend Natural Gas, Inc

   Husky Oil Operations Ltd

   Canadian Natural Resources Limited

   Exxonmobil Canada Ltd

   Husky Oil Limited

   Shell Canada Limited

   Canadian Natural Resources Limited

   Padriv Development Ltd

   Shell Canada Limited

   Penn West Petroleum Ltd

   Mead Petroleums & Farms Ltd

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