| Naics index | Naics index description |
|---|---|
| 325180 | Cobalt 60 (i.e., radioactive cobalt) manufacturing |
| 325180 | Cobalt chloride manufacturing |
| 325180 | Cobalt compounds, not specified elsewhere by process, manufacturing |
| 325180 | Cobalt sulfate manufacturing |
| 325180 | Copper chloride manufacturing |
| 325180 | Copper compounds, not specified elsewhere by process, manufacturing |
| 325180 | Copper iodide manufacturing |
| 325180 | Copper sulfate manufacturing |
| 325180 | Cyanides manufacturing |
| 325180 | Deuterium oxide (i.e., heavy water) manufacturing |