| Naics index | Naics index description |
|---|---|
| 325180 | Sulfuric acid manufacturing |
| 325180 | Tanning agents, inorganic, manufacturing |
| 325180 | Thiocyanate manufacturing |
| 325180 | Tin chloride manufacturing |
| 325180 | Tin compounds, not specified elsewhere by process, manufacturing |
| 325180 | Tin oxide manufacturing |
| 325180 | Tin salts manufacturing |
| 325180 | Titanium dioxide manufacturing |
| 325180 | Tungstates (e.g., ammonium tungstate, sodium tungstate) manufacturing |
| 325180 | Tungsten compounds, not specified elsewhere by process, manufacturing |