NAICS Code 237110

NAICS 237110

NAICS Code 237110 – Water and Sewer Line and Related Structures Construction

Definition of NAICS Code 237110: This industry comprises establishments primarily engaged in the construction of water and sewer lines, mains, pumping stations, treatment plants, and storage tanks. 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 water, sewer line, and related structures construction. All structures (including buildings) that are integral parts of water and sewer networks (e.g., storage tanks, pumping stations, water treatment plants, and sewage treatment plants) are included in this industry.

Illustrative Examples of NAICS 237110

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

  • Distribution line, sewer and water, construction
  • Sewer main, pipe, and connection, construction
  • Fire hydrant installation
  • Storm sewer construction
  • Irrigation systems construction
  • Water main and line construction
  • Pumping station, water and sewage system, construction
  • Water system storage tank and tower construction
  • Reservoir construction
  • Water treatment plant construction
  • Sewage disposal plant construction
  • Water well drilling, digging, boring, or sinking (except water intake wells in oil and gas fields)

Cross Reference Guide for Code 237110

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.

  • Establishments primarily engaged in constructing marine facilities (e.g., ports), flood control structures, dams, or hydroelectric power generation facilities are classified in Industry NAICS 237990, Other Heavy and Civil Engineering Construction.

Other Index Entries for NAICS 237110

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.

  • Aqueduct construction
  • Artesian well construction
  • Capping of water wells
  • Construction management, water and sewage treatment plant
  • Construction management, water and sewer line
  • Distribution line, sewer and water, construction
  • Drilling water wells (except water intake wells in oil and gas fields)
  • Fire hydrant installation
  • Geothermal drilling
  • Hydrant and flushing hydrant installation
  • Irrigation project construction (except lawn)
  • Lagoon, sewage treatment construction
  • Pumping station, water and sewage system, construction
  • Reservoir construction
  • Sanitary sewer construction
  • Sewage collection and disposal line construction
  • Sewage disposal plant construction
  • Sewage treatment plant construction
  • Sewer construction
  • Sewer main, pipe and connection, construction
  • Storm sewer construction
  • Utility line (i.e., sewer, water), construction
  • Water desalination plant construction
  • Water filtration plant construction
  • Water main and line construction
  • Water pumping or lift station construction
  • Water sampling station installation
  • Water system storage tank and tower construction
  • Water treatment plant construction
  • Water well drilling, digging, boring or sinking (except water intake wells in oil and gas fields)
  • Water well pump and well piping system installation
Insurance Conversion Table for NAICS Code 237110

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): 6204, 6306, 6229, 6319NAICS 237110
  • CA WC: 6204, 6307, 6364, 6315
  • DE WC: 603, 607, 609, 617
  • PA WC: 603, 607, 609, 617
  • MI WC: 6204, 6229, 6306, 6319
  • NJ WC: 6204, 6229, 6306, 6319
  • NY WC: 6204, 6229, 6306, 6319
  • WY WC: 237110
  • GL: 98820, 92102, 96702, 98424, 99163, 91587, 99946
  • SIC: 1623, 1781, 1629, 1623

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 237110 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 2371: Utility System Construction
  • Industry 23711: Water and Sewer Line and Related Structures Construction
  • 6 Digit Code(s) NAICS 237110: Water and Sewer Line and Related Structures Construction
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NAICS Code 237110