NAICS 4 Digit Industry Group 2371

Industry Group 2371

NAICS 4 digit Industry Group 2371 – Utility System Construction

Definition of NAICS 4 digit industry group 2371: This industry group comprises establishments primarily engaged in the construction of distribution lines and related buildings and structures for utilities (i.e., water, sewer, petroleum, gas, power, and communication). All structures (including buildings) that are integral parts of utility systems (e.g., storage tanks, pumping stations, power plants, and refineries) are included in this industry group.

Four Digit Industry Group 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 (Where you are now), 5 digit industry, and the most specific is the 6 digit NAICS code. If industry group 2371 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
        • Industry 23712: Oil and Gas Pipeline and Related Structures Construction
          • 6 Digit Code(s) NAICS 237120: Oil and Gas Pipeline and Related Structures Construction
        • Industry 23713: Power and Communication Line and Related Structures Construction
          • 6 Digit Code(s) NAICS 237130: Power and Communication Line and Related Structures Construction

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NAICS 4 Digit Industry Group 2371