33131 Alumina and Aluminum Production and Processing

This industry comprises establishments primarily engaged in one or more of the following manufacturing activities:

  1. refining alumina;
  2. making (i.e., the primary production) aluminum from alumina;
  3. recovering aluminum from scrap or dross;
  4. alloying purchased aluminum; and
  5. aluminum primary forms (e.g., bar, foil, pipe, plate, rod, sheet, tube, and wire).