NAICS 237915-digit industry · NAICS 2022
NAICS Code 23791: Water and Marine Construction
The NAICS code for Water and Marine Construction is 23791.
Water and Marine Construction establishments build harbors, docks, breakwaters, dredged channels, flood control levees, and water storage reservoirs that support navigation, flood protection, and water supply infrastructure.
Water and Marine Construction (NAICS 23791) is part of NAICS 2379 — Other Heavy and Civil Engineering Construction, which contains 2 industries.
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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.