2022 NAICS industry group in sector 23 Construction
2371 Utility System Construction
NAICS 2371 is the US industry code for utility system construction. It covers 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).
Official definition
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.
Codes in 2371
Data last changed November 14, 2026. How this page is built.