2007 NAICS Definition
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--are classified in Subsector 327, Nonmetallic Mineral Product Manufacturing; and
- Making aluminum from alumina--are classified in U.S. Industry 331312, Primary Aluminum Production.
Index entries that bring you to this industry:
- Alumina refining
- Aluminum oxide refining

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