North American Industry Classification System (NAICS) Canada 2022 Version 1.0

• 23 - Construction
• 237 - Heavy and civil engineering construction

2371 - Utility system construction

This industry group comprises establishments primarily engaged in the construction of distribution lines and related buildings and structures for utilities (i.e., water, sewer, petroleum, gas, power, and communication). All structures (including buildings) that are integral parts of utility systems (e.g., storage tanks, pumping stations, power plants, and refineries) are included in this industry group.