NAICS
331421: Copper Rolling, Drawing, and Extruding
This U.S. industry comprises establishments primarily engaged in (1)
rolling, drawing, and/or extruding shapes (e.g., bar, plate, sheet,
strip, tube (except bare or insulated copper communication or energy
wire)) from purchased copper; and/or (2) recovering copper from scrap
and rolling, drawing, and/or extruding shapes (e.g., bar, plate, sheet,
strip, tube (except bare or insulated copper communication or energy
wire in integrated mills)).
The data published with NAICS code 331421 include the following
SIC industry:
3351 Copper rolling and drawing