33142M Copper Rolling, Drawing, Extruding, and Alloying

This industry comprises establishments primarily engaged in the following North American Industry Classification System (NAICS) industries:

1. 331421 Copper Rolling, Drawing, and Extruding;
2. 331422 Copper Wire (except Mechanical) Drawing; and
3. 331423 Secondary Smelting, Refining, and Alloying of Copper.

331421 Copper Rolling, Drawing, and Extruding

This industry comprises establishments primarily engaged in one or more of the following manufacturing activities:

1. rolling, drawing, and/or extruding shapes (e.g., bar, plate, sheet, strip, and 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, and tube (except bare or insulated copper communication or energy wire)) in integrated mills.

331422 Copper Wire (except Mechanical) Drawing

This industry comprises establishments primarily engaged in drawing or drawing and insulating communication and energy wire and cable from purchased copper or in integrated secondary smelting and wire drawing plants.

331423 Secondary Smelting, Refining, and Alloying of Copper

This industry comprises establishments primarily engaged in one or more of the following manufacturing activities:

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.