NAICS 5 Digit Industry 33121

Industry 33121

NAICS 5  Digit Industry 33121 – Iron and Steel Pipe and Tube Manufacturing from Purchased Steel

Definition of NAICS 5 Digit Industry 33121: See industry description for NAICS 331210 below.

Industry Description of NAICS Code 331210: This industry comprises establishments primarily engaged in manufacturing welded, riveted, or seamless pipe and tube from purchased iron or steel.

Cross-References for Industry 33121

What codes are similar to this industry that might be more applicable? The cross-reference guide below displays the codes that are similar to industry 33121. Please review to find the most applicable classification.

  • Establishments primarily engaged in making steel and further processing the steel into steel pipe and tube are classified in Industry NAICS 331110, Iron and Steel Mills and Ferroalloy Manufacturing.

Other Index Entries for NAICS 5-Digit Industry 33121

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 industry 33121. These index entries further elaborate on the scope of applicable industries that have already been defined at the top of this page.

  • Boiler tubes, wrought, made from purchased iron
  • Conduit, welded and lock joint, made from purchased iron or steel
  • Pipe (e.g., heavy riveted, lock joint, seamless, welded) made from purchased iron or steel
  • Tube (e.g., heavy riveted, lock joint, seamless, welded) made from purchased iron or steel
  • Tubing, mechanical and hypodermic sizes, cold-drawn stainless steel, made from purchased steel
  • Well casings (e.g., heavy riveted, lock joint, welded, wrought) made from purchased iron or steel

Industry 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 (Where you are now), and the most specific is the 6 digit NAICS code. 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 31-33: Manufacturing
    • Subsector 331: Primary Metal Manufacturing
      • Industry Group 3312: Steel Product Manufacturing from Purchased Steel
        • Industry 33121: Iron and Steel Pipe and Tube Manufacturing from Purchased Steel (Current Page)
          • 6 Digit Code(s) NAICS 331210: Iron and Steel Pipe and Tube Manufacturing from Purchased Steel

Other helpful NAICS Downloads

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NAICS 5 Digit Industry 33121 | Class Codes