This industry comprises establishments primarily engaged in manufacturing portland, natural, masonry, pozzolanic, and other hydraulic cements. Cement manufacturing establishments may calcine earths or mine, quarry, manufacture, or purchase lime.
Cross-References. Establishments primarily engaged in--
| Go to: | No change 2002 to 2007 | No change 1997 to 2002 | 2002 Economic Census and other data sources |
| 2007 NAICS | 2002 NAICS | 1997 NAICS |
Corresponding Index Entries |
|---|---|---|---|
| 327310 | 327310 | 327310 | Cement (e.g., hydraulic, masonry, portland, pozzolana) manufacturing |
| 327310 | 327310 | 327310 | Cement clinker manufacturing |
| 327310 | 327310 | 327310 | Natural (i.e., calcined earth) cement manufacturing |
