2007 NAICS Definition
This industry comprises establishments primarily engaged in (1) smelting ores into nonferrous metals and/or (2) the primary refining of nonferrous metals (except aluminum) using electrolytic or other processes.
Cross-References. Establishments primarily engaged in--
- Making aluminum from alumina or recovery of aluminum from scrap--are classified in Industry 33131, Alumina and Aluminum Production and Processing;
- Recovering copper or copper alloys from scrap or dross and/or alloying, rolling, drawing, and extruding purchased copper--are classified in Industry 33142, Copper Rolling, Drawing, Extruding, and Alloying;
- Recovering nonferrous metals (except copper and aluminum) from scrap and/or alloying, rolling, drawing, and extruding purchased nonferrous metals (except copper and aluminum)--are classified in Industry 33149, Nonferrous Metal (except Copper and Aluminum) Rolling, Drawing, Extruding, and Alloying;
- Mining and making copper and other nonferrous concentrates (including gold and silver bullion) using processes, such as solvent extraction or electrowinning--are classified in Industry Group 2122, Metal Ore Mining;
- Sorting and breaking up scrap metal without also smelting or refining--are classified in Sector 42, Wholesale Trade; and
- Operating facilities where commingled recyclable materials, such as paper, plastics, used beverage cans, and metals, are sorted into distinct categories without also smelting or refining--are classified in Industry 56292, Materials Recovery Facilities.

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