| Naics index | Naics index description |
|---|---|
| 325180 | Indium chloride manufacturing |
| 325180 | Iodides manufacturing |
| 325180 | Iodine, crude or resublimed, manufacturing |
| 325180 | Iron compounds, not specified elsewhere by process, manufacturing |
| 325180 | Iron sulphate manufacturing |
| 325180 | Lamp black manufacturing |
| 325180 | Lead oxides (except pigments) manufacturing |
| 325180 | Lead silicate manufacturing |
| 325180 | Lithium compounds, not specified elsewhere by process, manufacturing |
| 325180 | Magnesium carbonate manufacturing |