NAICS 4 Digit Industry Group 2131

Industry Group 2131

NAICS 4 digit Industry Group 2131 – Support Activities for Mining

Definition of NAICS 4 digit industry group 2131: Support Activities for Mining.

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 2131 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 21: Mining, Quarrying, and Oil and Gas Extraction
    • Subsector 213: Support Activities for Mining
      • Industry Group 2131: Support Activities for Mining
        • Industry 21311: Support Activities for Mining
          • 6 Digit Code(s) NAICS 213111: Drilling Oil and Gas Wells
          • 6 Digit Code(s) NAICS 213112: Support Activities for Oil and Gas Operations
          • 6 Digit Code(s) NAICS 213113: Support Activities for Coal Mining
          • 6 Digit Code(s) NAICS 213114: Support Activities for Metal Mining
          • 6 Digit Code(s) NAICS 213115: Support Activities for Nonmetallic Minerals (except Fuels) Mining

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NAICS 4 Digit Industry Group 2131