SEC Info - Primary copper

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Primary Smelting and Refining of Copper

SIC Industry 3331 — NAICS² Industries 331410 & 331411

SIC [1987] → Manufacturing → Primary Metal Industries → Primary Nonferrous Metals → Primary copper

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Businesses & Products of SIC Industry 3331

Bars, refinery: primary copper
Blister copper
Blocks, copper
Copper ingots and refinery bars, primary
Copper smelting and refining, primary
Pigs, copper
Primary smelting and refining of copper
Slabs, copper: primary

Description of SIC Industry 3331 — Primary Smelting and Refining of Copper

Establishments primarily engaged in smelting copper from the ore, and in refining copper by electrolytic or other processes. Establishments primarily engaged in rolling, drawing, or extruding copper are classified in Industry 3351.

² North American Industry Classification System (NAICS)

SIC [1987] Industry 3331 ⇒ NAICS [2012] Industry Codes

*NAICS Code*	*North American Industry*		*SIC Codes*

331410	Nonferrous Metal (except Aluminum) Smelting and Refining	⇒	3331, 3339
331411	Primary Smelting and Refining of Copper [2007]	⇒	3331

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