| Naics index | Naics index description |
|---|---|
| 212390 | Rubbing stones mining and/or beneficiating |
| 212390 | Ruby mining and/or beneficiating |
| 212390 | Salines mining and/or beneficiating |
| 212390 | Salt, common, mining and/or beneficiating |
| 212390 | Salt, rock, mining and/or beneficiating |
| 212390 | Sapphire mining and/or beneficiating |
| 212390 | Scoria mining and/or beneficiating |
| 212390 | Screening peat |
| 212390 | Scythestones mining and/or beneficiating |
| 212390 | Sedge peat mining and/or beneficiating |