NAICS Code 2371: Utility System Construction
The NAICS code for Utility System Construction is 2371.
Utility System Construction establishments build water mains, sewer lines, gas distribution pipelines, electric transmission lines, and telecommunications conduit infrastructure. These civil contractors work under government franchise rights and utility capital expenditure programs that drive long-term, recurring demand.
Utility System Construction falls under the NAICS code for NAICS 237 — Heavy and Civil Engineering Construction, a subsector of Construction.
26,309
Total US Entities
3
NAICS Industries
2371
NAICS Code
Classification
NAICS Industries (5-digit)
| NAICS Code | Industry Title | US Entities |
|---|---|---|
| 23711 | NAICS 23711 — Water and Sewer Line and Related Structures Construction | 8,000 |
| 23712 | NAICS 23712 — Oil and Gas Pipeline and Related Structures Construction | 4,500 |
| 23713 | NAICS 23713 — Power and Communication Line and Related Structures Construction | 13,809 |
NAICS 2022
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Other Industry Groups in Heavy and Civil Engineering Construction
Working with legacy records? convert a NAICS code to SIC using the mapping table — NAICS 2022 at the five-digit industry level paired with SIC 1987 four-digit industries, with coverage gaps stated.