North American Industry Classification System (NAICS) Canada 2012

• 23 - Construction
• 237 - Heavy and civil engineering construction
• 2371 - Utility system construction

23712 - Oil and gas pipeline and related structures construction

This industry comprises establishments primarily engaged in the construction of oil and gas lines, mains, refineries, and storage tanks. The work performed may include new work, reconstruction, rehabilitation, and repairs. Specialized trade activities related to oil and gas pipeline and related structures construction are included. The construction of structures (including buildings) that are integral parts of oil and gas networks (e.g., storage tanks, pumping stations, and refineries) is included in this industry.