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This is a list of Canadian natural gas companies:

• ATCO - based in Edmonton, Alberta^[1]
• AltaGas - based in Calgary, Alberta
• Anderson
• Canadian Natural Resources - based in Calgary
• Dejour Energy - based in British Columbia
• Direct Energy - formerly based in Toronto and now based in Houston, Texas
• Enbridge - based in Calgary: acquired Consumers' Gas Company from British Gas
• Ferus Natural Gas Fuels (Ferus NGF) - based in Calgary, Alberta
• FortisBC - based in Kelowna, British Columbia
• Gaz Métro - based in Québec^[2]
• Manitoba Hydro - provided by Centra Gas - based in Winnipeg, Manitoba
• Pengrowth - based in Calgary
• Progress Energy Resources - based in Calgary
• SaskEnergy - based in Regina, Saskatchewan^[3]
• SemCams Natural Gas - based in Calgary
• Union Gas - based in Chatham, ON
• Tourmaline Oil - based in Calgary
• Peyto Exploration & Development - based in Calgary^[4]

This list is incomplete; you can help by adding missing items. (May 2009)