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The buyer’s guide to Canada’s Oil & Gas Industry

About Us

The Canadian Oilfield Service and Supply Directory (COSSD) is Canada’s most comprehensive oilpatch directory and buyer’s guide, with a specific focus on service and supply companies operating in Canada’s Western Canadian Sedimentary Basin. The COSSD has over 30 years of making successful connections between advertisers and customers.
The COSSD is the most widely used industry-accepted directory, with more than 26,000 listings in over 1,900 specialized oilfield categories. With its distinctive yellow cover, the COSSD is instantly recognized by those operating in the Western Canadian Sedimentary Basin. Its unmatched track record in targeted distribution and market penetration makes the COSSD the definitive guide to Canada’s oil and gas industry.