North American Industry Classification System (NAICS) 1997
2123 - Non-Metallic Mineral Mining and Quarrying
This industry group comprises establishments primarily engaged in mining or quarrying non-metallic minerals, except coal. Primary preparation plants, such as those engaged in crushing, grinding and washing, are included.
| Code | Industry |
|---|---|
| 21231Stone Mining and Quarrying | Stone Mining and Quarrying |
| 21232Sand, Gravel, Clay, and Ceramic and Refractory Minerals Mining and Quarrying | Sand, Gravel, Clay, and Ceramic and Refractory Minerals Mining and Quarrying |
| 21239Other Non-Metallic Mineral Mining and Quarrying | Other Non-Metallic Mineral Mining and Quarrying |
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