331312 Primary Aluminum Production
This U.S. industry comprises establishments primarily engaged in one or more of the following manufacturing activities:
- making aluminum from alumina and/or
- making aluminum from alumina and rolling, drawing, extruding, or casting the aluminum they make into primary forms (e.g., bar, billet, ingot, plate, rod, sheet, and strip).
Establishments in this industry may make primary aluminum or aluminum-based alloys from alumina.