The Comprehensive Oilfield Service & Supply Database (COSSD) is the most efficient method to search through and find qualified businesses in the Western Canadian Sedimentary Basin and beyond. The COSSD has been building relationships between companies in the oilpatch for over 35 years and continues to evolve to meet the needs of both buyers and sellers.

More than 13,000 listings in over 1,200 oilfield and related categories help to make the COSSD the most widely used database in the industry. An unmatched track record in targeted distribution and market penetration solidifies the COSSD’s reputation as the definitive guide to the oil and gas industry.

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Shipped to your address

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  • One COSSD book
  • Access to our monthly email with the latest service and supply industry news

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Digital Download


  • One digital COSSD PDF

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  • One COSSD book
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