| Naics index | Naics index description |
|---|---|
| 325120 | Hydrogen manufacturing |
| 325120 | Ice, dry, manufacturing |
| 325120 | Industrial gases manufacturing |
| 325120 | Liquid air manufacturing |
| 325120 | Monochlorodifluoromethane manufacturing |
| 325120 | Neon manufacturing |
| 325120 | Nitrogen manufacturing |
| 325120 | Nitrous oxide manufacturing |
| 325120 | Oxygen manufacturing |
| 325130 | Acid dyes, synthetic organic, manufacturing |