NAICS Code 237: Heavy and Civil Engineering Construction
The NAICS code for Heavy and Civil Engineering Construction is 237.
Heavy and Civil Engineering Construction establishments build infrastructure such as highways, bridges, utility systems, land subdivisions, and port facilities. Their work shapes the physical backbone of transportation, energy, and water networks across the country.
Heavy and Civil Engineering Construction is a 3-digit subsector of the broader Construction (NAICS 23) sector.
106,552
Total US Entities
4
Industry Groups
237
NAICS Code
Classification
Industry Groups (4-digit)
| NAICS Code | Industry Group Title | US Entities |
|---|---|---|
| 2371 | NAICS 2371 — Utility System Construction | 26,309 |
| 2372 | NAICS 2372 — Land Subdivision | 43,704 |
| 2373 | NAICS 2373 — Highway, Street, and Bridge Construction | 28,817 |
| 2379 | NAICS 2379 — Other Heavy and Civil Engineering Construction | 7,722 |
Sample Data
Sample Companies in This Industry
Subsector 237 — Heavy and Civil Engineering Construction
| Company Name | NAICS Code |
|---|---|
| Bechtel Group Inc | 237 |
| Granite Construction Inc | 237 |
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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.