331312: Primary Aluminum Production
This U.S. industry comprises establishments primarily engaged in (1)
making aluminum from alumina and/or (2) 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, strip).
Establishments in this industry may make primary aluminum or
aluminum-based alloys from alumina.
The data published with NAICS code 331312 include the following
3334 Primary aluminum