| Naics index | Naics index description |
|---|---|
| 325180 | Cesium and cesium compounds, not specified elsewhere by process, manufacturing |
| 325180 | Channel black manufacturing |
| 325180 | Chloride of lime manufacturing |
| 325180 | Chlorine compounds, not specified elsewhere by process, manufacturing |
| 325180 | Chlorine dioxide manufacturing |
| 325180 | Chlorosulfonic acid manufacturing |
| 325180 | Chromic acid manufacturing |
| 325180 | Chromium compounds, not specified elsewhere by process, manufacturing |
| 325180 | Chromium oxide manufacturing |
| 325180 | Chromium salts manufacturing |