NAICS 2022 nationalIndustry USA Verified: Census NAICS 2022 · 2026-01-01

NAICS 237990 — Other Heavy and Civil Engineering Construction

Other Heavy and Civil Engineering Construction

NAICS 237990 is the national industry code for other heavy and civil engineering construction establishments in the United States. The Small Business Administration sets a size standard of $45.0 for this classification. It forms part of the hierarchical North American Industry Classification System maintained by the Census Bureau.

SBA: $45.0 View full SBA standard

Official Inclusions

construction projects involving water resources, development of marine facilities, and open space recreational construction projects
specialized trade activities related to civil engineering construction projects

Exclusions & Cross-References

Activities classified under other official NAICS codes:

constructing highways, streets, and bridges (See 237310 Highway, street and bridge construction (US))
constructing oil and gas pipelines and related structures (See 237120 Oil and gas pipeline and related structures construction (US))
constructing power and communication transmission lines and related structures (See 237130 Power and communication line and related structures construction (US))
constructing water mains, sewers, and related structures (See 237110 Water and sewer line and related structures construction (US))
stadium construction, general contractors (See 236220 Commercial and institutional building construction (US))
trenching (except underwater) (See 238910 Site preparation contractors)

Official Illustrative Examples

Primary activities officially recognized by Census Bureau / Statistics Canada:

civil engineering (recreational) construction (e.g., golf course, playground, sports field/facilities, parks and trails) civil engineering (recreational) construction (e.g., indoor ice rink, outdoor tennis court) docks, piers and wharves, construction earth retention system construction flood control project construction harbour and port facility construction hydroelectric power plant construction light rail system construction miscellaneous heavy and civil engineering construction, construction management nuclear waste disposal site construction subway construction tunnel construction

Complete Index of Activities (71 recognized activities) ▼

anchored earth retention contractors

athletic field (except stadiums), construction

avalanche protection, construction

breakwater construction

caissons (i.e., marine or pneumatic structures), construction

channel cutoff construction, general contractors

civil engineering (recreational) construction (e.g., golf course, playground, sports field/facilities, parks and trails)

civil engineering (recreational) construction (e.g., indoor ice rink, outdoor tennis court)

cofferdams, construction

construction management, dams

construction management, marine structures

construction management, mass transit

construction management, outdoor recreation facilities

construction management, tunnels

construction projects involving water resources, development of marine facilities, and open space recreational construction projects

cribbing (shore protection) and seawalls (wave protection), construction

dam construction

dikes (dykes) and other flood control structures, construction

docks, piers and wharves, construction

drainage project construction

drive-in movie facility construction

earth retention system construction

farm drainage tile installation

flood control project construction

floodway and drainage canals and ditches, construction

gabion construction

harbour and port facility construction

horizontal drilling (e.g., cable, pipeline, sewer installation)

hydroelectric generating facilities construction

hydroelectric power plant construction

installation of geomembrane containment liners for landfill

jetty construction, general contractors

land drainage contractor

levee and jetty construction, general contractors

light rail system construction

lock and waterway construction, general contractors

marine construction, general contractors

marine landing stage facilities, construction

microtunneling contractors

miscellaneous heavy and civil engineering construction, construction management

missile facilities construction and/or maintenance, general contractors

monorail construction

nuclear waste disposal site construction

other heavy and civil engineering construction water project (e.g., dredging canals, channels, waterways, ditches)

pile driving, marine

pipe-jacking contractors

pond construction, general contractors

power generating stations, hydroelectric, construction

railroad construction

railway construction (track, roadbed, trestles, signals, interlockers)

railway roadbed construction

recreation areas (open space), construction

recreational vehicle park construction

retaining walls, anchored (e.g., with piles, soil nails, tieback anchors), construction

revetment construction

riprapping installation, stone work erection

rock removal, underwater, contractor

sediment control system construction

shipping channel construction

ski tow erection, general contractors

specialized trade activities related to civil engineering construction projects

spillways, floodwater, construction

streetcar line construction

submarine rock removal, general contractors

subway construction

subway construction, general contractors

timber removal underwater, general contractors

trail building, general contractors

trenching, underwater

tunnel construction

waterpark construction

Official data

Feature	Description
Official name	North American Industry Classification System (NAICS) 2022
Issuing authority	U.S. Census Bureau with OMB, Statistics Canada, and INEGI
Tax authority	Internal Revenue Service (IRS)
Purpose	Statistical business classification and federal contracting (SAM.gov, SBA standards)
Used in	SAM.gov registration, SBA size determinations, IRS tax classification, SEC EDGAR (via SIC crosswalk)
Active since	2022 (current edition)
Hierarchy level	Sector (2-digit)
Source	https://www.census.gov/naics/