2002 NAICS Definitions

331411 Primary Smelting and Refining of Copper

This U.S. industry comprises establishments primarily engaged in (1) smelting copper ore and/or (2) the primary refining of copper by electrolytic methods or other processes. Establishments in this industry make primary copper and copper-based alloys, such as brass and bronze, from ore or concentrates.

Cross-References. Establishments primarily engaged in--

• Recovering copper or copper alloys from scrap and making primary forms and/or alloying purchased copper--are classified in U.S. Industry 331423, Secondary Smelting, Refining, and Alloying of Copper;
• Mining and making copper concentrates by processes, such as solvent extraction or electrowinning,--are classified in U.S. Industry 212234, Copper Ore and Nickel Ore Mining;
• Drawing copper wire (except mechanical) from purchased copper or recovering copper from scrap and drawing wire (except mechanical)--are classified in U.S. Industry 331422, Copper Wire (except Mechanical) Drawing; and
• Rolling, drawing, or extruding copper shapes (except communication and energy wire) from purchased copper or recovering copper from scrap and rolling, drawing, and extruding copper shapes--are classified in U.S. Industry 331421, Copper Rolling, Drawing, and Extruding.

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No change 1997 to 2002

2002 NAICS to 1987 SIC

1997 Economic Census

Bridge Between 1997 NAICS and SIC

2002 NAICS	1997 NAICS	1987 SIC	Corresponding Index Entries
331411	331411	3331	Bars made in primary copper smelting and refining mills
331411	331411	3331	Blister copper manufacturing
331411	331411	3331	Copper alloys made in primary copper smelting and refining mills
331411	331411	3331	Copper concentrate refining
331411	331411	3331	Copper shapes (e.g., bar, billet, ingot, plate, sheet) made in primary copper sme
331411	331411	3331	Copper smelting and refining, primary
331411	331411	3331	Primary refining of copper
331411	331411	3331	Primary smelting of copper
331411	331411	3331	Refining copper, primary

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