| 331314 |
Refining alumina or making aluminum and/or aluminum alloys from alumina--are classified in U.S. Industry 331313, Alumina Refining and Primary Aluminum Production |
| 331314 |
Manufacturing aluminum sheet, plate, and foil from purchased aluminum or by recovering aluminum from scrap and flat rolling or continuous casting--are classified in U.S. Industry 331315, Aluminum Sheet, Plate, and Foil Manufacturing |
| 331314 |
Manufacturing aluminum extruded products or rolled ingot or billet from purchased aluminum or by recovering aluminum from scrap and extruding, rolling, or drawing--are classified in U.S. Industry 331318, Other Aluminum Rolling, Drawing, and Extruding |
| 331314 |
Sorting, breaking up, and wholesaling scrap metal without also smelting or refining--are classified in Industry 423930, Recyclable Material Merchant Wholesalers |
| 331314 |
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 562920, Materials Recovery Facilities. |
| 331315 |
Establishments primarily engaged in making aluminum from alumina and flat rolling or continuous casting aluminum sheet, plate, foil, and welded tube are classified in U.S. Industry 331313, Alumina Refining and Primary Aluminum Production. |
| 331318 |
Flat rolling sheet, plate, foil, and welded tube from either purchased aluminum or by recovering aluminum from scrap and flat rolling or continuous casting--are classified in U.S. Industry 331315, Aluminum Sheet, Plate, and Foil Manufacturing |
| 331318 |
Making aluminum from alumina and making aluminum shapes--are classified in U.S. Industry 331313, Alumina Refining and Primary Aluminum Production. |
| 331410 |
Mining and making copper and other nonferrous concentrates (including gold and silver bullion), by processes, such as solvent extraction or electrowinning--are classified in Industry Group 2122, Metal Ore Mining |
| 331410 |
Recovering copper or copper alloys from scrap or dross and/or alloying, rolling, drawing, and extruding purchased copper--are classified in Industry 331420, Copper Rolling, Drawing, Extruding, and Alloying |