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

National Industry in the official 2022 North American Industry Classification System (U.S. Census Bureau). It is the only national industry under 33142 (Copper Rolling, Drawing, Extruding, and Alloying).

Code	331420
Title	Copper Rolling, Drawing, Extruding, and Alloying
Level	National Industry (6-digit)
Edition	NAICS 2022 edition
SBA size standard	1,050 employees

Official definition (2022 NAICS)

This industry comprises establishments primarily engaged in one or more of the following: (1) recovering copper or copper alloys from scraps; (2) alloying purchased copper; (3) rolling, drawing, or extruding shapes (e.g., bar, plate, sheet, strip, tube, wire) from purchased copper; and (4) recovering copper or copper alloys from scrap and rolling, drawing, or extruding shapes (e.g., bar, plate, sheet, strip, tube, wire).

Is a business under 331420 "small"?

Under the SBA size standards (13 CFR 121.201, effective March 17, 2023), a business classified in NAICS 331420 qualifies as a small business if it does not exceed 1,050 employees. Small-business status determines eligibility for federal set-aside contracts, SAM.gov certifications and SBA loan programs — employee count is averaged over the latest 24 months.

Where 331420 sits in the hierarchy

Level	Code	Title
Sector	31-33	Manufacturing
Subsector	331	Primary Metal Manufacturing
Industry Group	3314	Nonferrous Metal (except Aluminum) Production and Processing
NAICS Industry	33142	Copper Rolling, Drawing, Extruding, and Alloying
National Industry	331420	Copper Rolling, Drawing, Extruding, and Alloying

No direct SIC mapping is shown for this code: it was introduced or redefined after the official 1987 SIC ↔ 2002 NAICS concordance. Use the crosswalk tool to explore related legacy codes.

Data: official 2022 NAICS structure, descriptions and Census concordances, U.S. Census Bureau — U.S. government works in the public domain (17 U.S.C. §105). Suggested reference, not an official determination.