NAICS Code 237990

NAICS 237990

NAICS Code 237990 – Other Heavy and Civil Engineering Construction

Definition of NAICS Code 237990: This industry comprises establishments primarily engaged in heavy and engineering construction projects (excluding highway, street, bridge, and distribution line construction). The work performed may include new work, reconstruction, rehabilitation, and repairs. Specialty trade contractors are included in this group if they are engaged in activities primarily related to engineering construction projects (excluding highway, street, bridge, distribution line, oil and gas structure, and utilities building and structure construction). Construction projects involving water resources (e.g., dredging and land drainage), development of marine facilities, and projects involving open space improvement (e.g., parks and trails) are included in this industry.

Illustrative Examples of NAICS 237990

What are some examples of this code? The bulleted items below are illustrative examples of this classification.

  • Channel construction
  • Land drainage contractors
  • Dam construction
  • Marine construction
  • Dock construction
  • Microtunneling contractors
  • Dredging (e.g., canal, channel, ditch, waterway)
  • Nuclear waste disposal site construction
  • Earth retention system construction
  • Park ground and recreational open space improvement construction
  • Flood control project construction
  • Railroad construction
  • Golf course construction
  • Subway construction
  • Horizontal drilling (e.g., cable, pipeline, sewer installation)
  • Trenching, underwater
  • Hydroelectric generating station construction
  • Tunnel construction

Cross Reference Guide for Code 237990

What codes are similar to this classification that might be a more applicable code? The cross-reference guide below displays the codes for other similar industries. Please review to find the most applicable classification.

  • Constructing water mains, sewers, and related structures–are classified in Industry NAICS 237110, Water and Sewer Line and Related Structures Construction;
  • Constructing oil and gas pipelines and related structures–are classified in Industry NAICS 237120, Oil and Gas Pipeline and Related Structures Construction;
  • Constructing power and communication transmission lines and related structures–are classified in Industry NAICS 237130, Power and Communication Line and Related Structures Construction;
  • Constructing highways, streets, and bridges–are classified in Industry NAICS 237310, Highway, Street, and Bridge Construction; and
  • Trenching (except underwater)–are classified in Industry NAICS 238910, Site Preparation Contractors.

Other Index Entries for NAICS 237990

The North American Industry Classification System contains multiple index entries that are each descriptive of the same code. The bulleted list below shows all applicable index entries (Current and former) that are associated with this classification. These index entries further elaborate on the scope of applicable industries that have already been defined at the top of this page.

  • Anchored earth retention contractors
  • Athletic field (except stadium) construction
  • Avalanche, rockslide, or mudslide protection construction
  • Breakwater construction
  • Bridle path construction
  • Bulkhead wall or embarkment construction
  • Caisson (i.e., marine or pneumatic structures) construction
  • Canal construction
  • Channel construction
  • Cofferdam construction
  • Construction management, dam
  • Construction management, marine structure
  • Construction management, mass transit
  • Construction management, outdoor recreation facility
  • Construction management, tunnel
  • Cribbing (i.e., shore protection), construction
  • Dam construction
  • Dike and other flood control structure construction
  • Dock construction
  • Drainage canal and ditch construction
  • Drainage project construction
  • Dredging (e.g., canal, channel, ditch, waterway)
  • Drive-in movie facility construction
  • Earth retention system construction
  • Earth-filled dam construction
  • Electricity generating plant, hydroelectric, construction
  • Embankment construction
  • Farm drainage tile installation
  • Flood control project construction
  • Floodway canal and ditch construction
  • Gabion construction
  • Golf course construction
  • Harbor construction
  • Horizontal drilling (e.g., underground cable, pipeline, sewer installation)
  • Hydroelectric generating facility construction
  • Ice rink (except indoor) construction
  • Jetty construction
  • Land drainage contractors
  • Levee construction
  • Light rail system construction
  • Lock and waterway construction
  • Marine construction
  • Microtunneling contractors
  • Missile facility construction
  • Monorail construction
  • Nuclear waste disposal site construction
  • Outdoor recreation facility construction
  • Park and recreational open space improvement construction
  • Pier construction
  • Pile driving, marine
  • Pipe-jacking contractors
  • Play ground construction
  • Port facility construction
  • Power plant, hydroelectric, construction
  • Railroad construction
  • Railway construction (e.g., interlocker, roadbed, signal, track)
  • Railway roadbed construction
  • Recreation area, open space, construction
  • Recreational vehicle park construction
  • Retaining walls, anchored (e.g., with piles, soil nails, tieback anchors), construction
  • Revetment construction
  • Riprap installation
  • Rock removal, underwater
  • Seawall, wave protection, construction
  • Sediment control system construction
  • Ski tow construction
  • Spillway, floodwater, construction
  • Sports field construction
  • Streetcar line construction
  • Subway construction
  • Tennis courts, outdoor, construction
  • Timber removal, underwater
  • Trail construction
  • Trenching, underwater
  • Tunnel construction
  • Wharf construction
Insurance Conversion Table for NAICS Code 237990

Looking for an insurance classification other than the North American Industry Classification System? If a company falls within the industry defined on this page, then the class codes mentioned below may be applicable. Please note that the bulleted cross-reference guide below is not authoritative. Users should have an insurance professional review to ensure proper insurance classification.

  • NCCI WC (Varies by state): 4000, 7855, 6045, 6003, 6005, 6251, 6260, 6017, 5102, 6702, 6703, 6704, 7333, 7335, 7337, 5606NAICS 237990
  • CA WC: 4000, 7855, 6361, 6003, 6251, 5207, 5102, 7855, 5606
  • DE WC: 055, 605, 609, 611, 615, 654, 658, 6702, 6703, 6704, 7333, 7335, 7337
  • PA WC: 055, 605, 609, 611, 615, 654, 658, 6702, 6703, 6704, 7333, 7335, 7337
  • MI WC: 4000, 5506, 5040, 6217, 5213, 5102, 6702, 6703, 6704, 7333, 7335, 7337, 5606
  • NJ WC: 4000, 5099, 7855, 6003, 6005, 6017, 6251, 6702, 6703, 7333, 7335, 5606
  • NY WC: 4000, 7855, 6045, 6003, 6005, 6251, 6260, 6017, 5102, 6701
  • WY WC: 237990
  • GL: 92055, 98601, 91641, 96872, 99798, 91618, 97650, 97653, 98601, 92055, 41620
  • SIC: 1622, 1629, 1799, 8741

Resources: Praxiom, AceGroupTDICalifornia Division of Workers Compensation, Delaware Workers Compensation Manual, Pennsylvania Workers Compensation Manual, Michigan Workers’ Compensation Placement Facility: Classification Definitions, New Jersey Workers Compensation and Employers Liability Insurance Manual, New York Workers Compensation and Employers Liability, North American Industry Classification System, Florida Underwriting Guide: Commercial General Liability Classifications,  Standard Industrial Classifications.

The suggested cross reference guide for NAICS code 237990 is based on our research using the resources cited above.

Correlating Code Breakdown for North American Industry Classification System

NAICS codes are broken down by digit. The broadest description starts with the 2 digit sector codes. The 3 digit subsector codes are more specific, then the 4 digit industry group, 5 digit industry, and the most specific is the 6 digit NAICS code (Where you are now). If the code on this page does not describe the industry of the business in question, then select the largest applicable code below. From there, follow through the progression of smaller digits to the larger digits in order to obtain the most specific 6 digit classification.

  • Sector 23: Construction
  • Subsector 237: Heavy and Civil Engineering Construction
  • Industry Group 2379: Other Heavy and Civil Engineering Construction
  • Industry 23799: Other Heavy and Civil Engineering Construction
  • 6 Digit Code(s) NAICS 237990: Other Heavy and Civil Engineering Construction
Other helpful NAICS Downloads

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NAICS Code 237990