NAICS 4 Digit Industry Group 3311

Industry Group 3311

NAICS 4 digit Industry Group 3311 – Iron and Steel Mills and Ferroalloy Manufacturing

Definition of NAICS 4 digit industry group 3311: Iron and Steel Mills and Ferroalloy Manufacturing.

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 3311 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 3311: Iron and Steel Mills and Ferroalloy Manufacturing
        • Industry 33111: Iron and Steel Mills and Ferroalloy Manufacturing
          • 6 Digit Code(s) NAICS 331110: Iron and Steel Mills and Ferroalloy Manufacturing

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NAICS 4 Digit Industry Group 3311