NAICS Code 331423: Secondary Smelting, Refining, and Alloying of Copper

National industry Retired code (NAICS 2007)

Definition

This U.S. industry comprises establishments primarily engaged in (1) recovering copper and copper alloys from scrap and/or (2) alloying purchased copper. Establishments in this industry make primary forms, such as ingot, wire bar, cake, and slab from copper or copper alloys, such as brass and bronze.

Code facts

NAICS codes and definitions come from the U.S. Census Bureau.

Business activities under NAICS 331423

  • Alloying purchased copper
  • Alloying purchased copper metals
  • Copper alloys (e.g., brass, bronze) made from purchased metal or scrap
  • Copper and copper-based shapes (e.g., cake, ingot, slag, wire bar) made from purchased metal or scrap
  • Copper powder, flakes, and paste made from purchased copper
  • Copper secondary smelting and alloying
  • Copper secondary smelting and refining from purchased metal or scrap
  • Metal powder and flake made from purchased copper
  • Paste made from purchased copper
  • Powder made from purchased copper
  • Refining copper, secondary

Looking for another activity? Search the NAICS code lookup or browse business activities from A to Z.

Contract opportunities

Notice Posted Due
Nickel Aluminum Bronze Ingots Pre-Solicitation · Naval Supply Systems Command (Navy)
Tube, Metallic Award Notice · Land and Maritime (DLA)
Titanium sheets Solicitation · Naval Supply Systems Command (Navy)
Sputtering Targets Solicitation · Naval Information Warfare Systems Command (Navy)
Beryl copper bar Solicitation · Naval Supply Systems Command (Navy)
Manganese bronze bar C86300 Award Notice · ACC Rock Island
Bronze Bar Solicitation · ACC Rock Island
95--Bronze, Phosphor, Round Bar Solicitation · ACC Rock Island
Copper Ingots Pre-Solicitation · Naval Supply Systems Command (Navy) · N001899043782
Round, metal, bar Award Notice · Naval Supply Systems Command (Navy)
Aluminum Bronze Bar Solicitation · ACC Rock Island
Copper Ingots Pre-Solicitation · Naval Supply Systems Command (Navy) · N001899016782
Bronze Award Notice · ACC Rock Island
Show all 13

Size standard history

Federal Register rules that named this code

Final rule Published Effective
Small Business Size Standards; Adoption of Size Standards by 2002 North American Industry Classification System for Size Standards 67 FR 56905 · 3245-AF00
Small Business Size Regulations; Size Standards and the North American Industry Classification System 65 FR 30836

From the NAICS codes each rule's amendments to 13 CFR 121.201 name. Rules that print their size standard tables as images aren't listed.

Quick answers

What is NAICS 331423?

NAICS 331423 is Secondary Smelting, Refining, and Alloying of Copper, a national industry in NAICS 31-33, Manufacturing.

Is NAICS 331423 still used?

NAICS 331423 comes from the 2007 edition of NAICS and isn't in later editions. Older contracts still carry it.

When did the size standard for NAICS 331423 last change?

The most recent Federal Register rule on record that names NAICS 331423 in the SBA's size standards is "Small Business Size Standards; Adoption of Size Standards by 2002 North American Industry Classification System for Size Standards" (67 FR 56905), published Sep 6, 2002 and effective Oct 1, 2002.

What is the latest contract opportunity under NAICS 331423?

The latest contract opportunity under NAICS 331423 is Nickel Aluminum Bronze Ingots, pre-solicitation from Naval Supply Systems Command (Navy), posted June 28, 2012.

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