NAICS 4 Digit Industry Group 3313

Industry Group 3313

NAICS 4 digit Industry Group 3313 – Alumina and Aluminum Production and Processing

Definition of NAICS 4 digit industry group 3313: Alumina and Aluminum Production and Processing.

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 3313 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 31-33: Manufacturing
    • Subsector 331: Primary Metal Manufacturing
      • Industry Group 3313: Alumina and Aluminum Production and Processing
        • Industry 33131: Alumina and Aluminum Production and Processing
          • 6 Digit Code(s) NAICS 331313: Alumina Refining and Primary Aluminum Production
          • 6 Digit Code(s) NAICS 331314: Secondary Smelting and Alloying of Aluminum
          • 6 Digit Code(s) NAICS 331315: Aluminum Sheet, Plate, and Foil Manufacturing
          • 6 Digit Code(s) NAICS 331318: Other Aluminum Rolling, Drawing, and Extruding

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NAICS 4 Digit Industry Group 3313