2002 NAICS Definitions
327992 Ground or Treated Mineral and Earth Manufacturing
This U.S. industry comprises establishments primarily engaged in calcining, dead burning, or otherwise processing beyond beneficiation, clays, ceramic and refractory minerals, barite, and miscellaneous nonmetallic minerals.
Cross-References. Establishments primarily engaged in crushing, grinding, pulverizing, washing, screening, sizing, or otherwise beneficiating mined clays, ceramics and refractory, and other miscellaneous nonmetallic minerals are classified in Industry Group 2123, Nonmetallic Mineral Mining and Quarrying.
| Go to: | No change 1997 to 2002 | 2002 NAICS to 1987 SIC | 1997 Economic Census | Bridge Between 1997 NAICS and SIC |
| 2002 NAICS | 1997 NAICS | 1987 SIC | Corresponding Index Entries |
|---|---|---|---|
| 327992 | 327992 | 3295 | Barite processing beyond beneficiation |
| 327992 | 327992 | 3295 | Barium processing beyond beneficiation |
| 327992 | 327992 | 3295 | Blast furnace slag processing |
| 327992 | 327992 | 3295 | Desiccants, activated clay, manufacturing |
| 327992 | 327992 | 3295 | Diatomaceous earth processing beyond beneficiation |
| 327992 | 327992 | 3295 | Feldspar processing beyond beneficiation |
| 327992 | 327992 | 3295 | Flint processing beyond beneficiation |
| 327992 | 327992 | 3295 | Fuller's earth processing beyond beneficiating |
| 327992 | 327992 | 3295 | Graphite, natural (e.g., ground, pulverized, refined, blended), manufacturing |
| 327992 | 327992 | 3295 | Kaolin, processing beyond beneficiation |
| 327992 | 327992 | 3295 | Lead, black (i.e., natural graphite), ground, refined, or blended, manufacturing |
| 327992 | 327992 | 3295 | Magnesite, crude (e.g., calcined, dead-burned, ground), manufacturing |
| 327992 | 327992 | 3295 | Mica processing beyond beneficiation |
| 327992 | 327992 | 3295 | Perlite aggregates manufacturing |
| 327992 | 327992 | 3295 | Perlite, expanded, manufacturing |
| 327992 | 327992 | 3295 | Pumice (except abrasives) processing beyond beneficiation |
| 327992 | 327992 | 3295 | Pyrophyllite processing beyond beneficiation |
| 327992 | 327992 | 3295 | Shale, expanded, manufacturing |
| 327992 | 327992 | 3295 | Silicon, ultra high purity, manufacturing |
| 327992 | 327992 | 3295 | Talc processing beyond beneficiation |
| 327992 | 327992 | 3295 | Vermiculite, exfoliated, manufacturing |
