NAICS 2022 nationalIndustry USA Verified: Census NAICS 2022 · 2026-01-01

NAICS 331420 — Copper Rolling, Drawing, Extruding, and Alloying

Copper Rolling, Drawing, Extruding, and Alloying

NAICS 331420 is the national industry code for copper rolling, drawing, extruding, and alloying establishments in the United States. The Small Business Administration sets a size standard of 1,050 for this classification. It forms part of the hierarchical North American Industry Classification System maintained by the Census Bureau.

SBA: 1,050 View full SBA standard

Official Inclusions

drawing copper wire (whether or not the establishment further works the wire by such operations as insulating it) and recovering copper from scrap

Exclusions & Cross-References

Activities classified under other official NAICS codes:

casting copper (See 33152 Non-ferrous metal foundries)
insulating purchased copper wire and cable (See 335920 Communication and energy wire and cable manufacturing (CAN))
manufacturing copper and copper alloy products in a smelter or refinery (See 331410 Non-ferrous metal (except aluminum) smelting and refining (US))

Official Illustrative Examples

Primary activities officially recognized by Census Bureau / Statistics Canada:

brass products, made by rolling, drawing, extruding or alloying purchased metal bronze products, made by rolling, drawing, extruding or alloying purchased metal copper alloys (e.g., brass, bronze), made from purchased metals and copper-based alloys copper refining, secondary (i.e., from purchased metal or scrap) foil, copper and copper alloy, made by rolling purchased metal or scrap tubing, copper and copper alloy, made from purchased metal or scrap wire, copper and copper alloy, made in wire drawing plants

Complete Index of Activities (38 recognized activities) ▼

alloying purchased copper

anodes, for electroplating, copper, made from purchased metals

apparatus wire and cord, insulated, made in copper wire drawing plants

armoured cable, insulated, made in copper wire drawing plants

automotive and aircraft wire and cable, insulated, made in copper wire drawing plants

bar, copper or copper alloy, made from purchased metal

brass and bronze, made by refining scrap

brass products, made by rolling, drawing, extruding or alloying purchased metal

bronze products, made by rolling, drawing, extruding or alloying purchased metal

cartridge cups, discs and sheets, copper and copper alloy, made by rolling, drawing, extruding or alloying purchased metal

coaxial cable, insulated, made in copper wire drawing plants

copper alloys (e.g., brass, bronze), made from purchased metals and copper-based alloys

copper and copper alloy shapes (e.g., bar, ingot, rod, sheet), made from purchased metal or scrap

copper foil, made by rolling purchased metal or scrap

copper mechanical wire products, made in drawing mills

copper powder, paste and flakes, made from purchased copper

copper products, made by rolling, drawing, extruding or alloying purchased metal

copper refining, secondary (i.e., from purchased metal or scrap)

copper rolling, drawing and extruding

copper wire products (e.g., mesh, wire cloth), made in copper wire drawing plants

cord sets, flexible, insulated, made in copper wire drawing plants

drawing copper wire (whether or not the establishment further works the wire by such operations as insulating it) and recovering copper from scrap

drawing copper wire from purchased wire

electric cable and wire, insulated, copper, made in wire drawing plants

energy wire or cable, insulated, made in copper wire drawing plants

foil, copper and copper alloy, made by rolling purchased metal or scrap

magnet wire, insulated, made in copper wire drawing plants

paste, made from purchased copper

pipe, copper and copper alloy, made from purchased metal or scrap

plate, copper and copper alloy, made from purchased metal or scrap

powder, made from purchased copper

rod, copper and copper alloy, made from purchased metal or scrap

sheet, copper and copper alloy, made from purchased metal or scrap

strip, copper and copper alloy, made from purchased metal or scrap

tubing, copper and copper alloy, made from purchased metal or scrap

wire, copper and copper alloy, made in wire drawing plants

wire, mechanical, copper and copper alloy, made in wire drawing plants

wire, uninsulated, copper and copper alloy, made in wire drawing plants

Official data

Feature	Description
Official name	North American Industry Classification System (NAICS) 2022
Issuing authority	U.S. Census Bureau with OMB, Statistics Canada, and INEGI
Tax authority	Internal Revenue Service (IRS)
Purpose	Statistical business classification and federal contracting (SAM.gov, SBA standards)
Used in	SAM.gov registration, SBA size determinations, IRS tax classification, SEC EDGAR (via SIC crosswalk)
Active since	2022 (current edition)
Hierarchy level	Sector (2-digit)
Source	https://www.census.gov/naics/