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 331311 Alumina Refining

This U.S. industry comprises establishments primarily engaged in refining alumina (i.e., aluminum oxide) generally from bauxite.

Cross-References. Establishments primarily engaged in--

No change 1997 to 2002 2002 NAICS to 1987 SIC 1997Economic Census Bridge Between 1997 NAICS and SIC
2002
NAICS
1997
NAICS
1987
SIC
Corresponding Index Entries
3313113313112819Alumina refining
3313113313112819Aluminum oxide refining