33131 Alumina and Aluminum Production and Processing
This industry comprises establishments primarily engaged in one or more of the following manufacturing activities:
- refining alumina;
- making (i.e., the primary production) aluminum from alumina;
- recovering aluminum from scrap or dross;
- alloying purchased aluminum; and
- aluminum primary forms (e.g., bar, foil, pipe, plate, rod, sheet, tube, and wire).