This U.S. industry comprises establishments primarily engaged in refining alumina (i.e., aluminum oxide) generally from bauxite.
Cross-References. Establishments primarily engaged in
- Manufacturing aluminum oxide abrasives and refractories - classified in Subsector 327, Nonmetallic Mineral Product Manufacturing; and
- Making aluminum from alumina - classified in U.S. Industry 331312, Primary Aluminum Production.
| 2002 NAICS | Corresponding Index Entries |
| 331311 | Alumina Refining |
| 331311 | Aluminum Oxide Refining |
