| Naics index | Naics index description |
|---|---|
| 325199 | Thioglycolic acid manufacturing |
| 325199 | Transesterification of vegetable oils to produce fuels or fuel additives |
| 325199 | Trichloroethylene manufacturing |
| 325199 | Trichlorophenoxyacetic acid manufacturing |
| 325199 | Tricresyl phosphate manufacturing |
| 325199 | Tridecyl alcohol manufacturing |
| 325199 | Triphenyl phosphate manufacturing |
| 325199 | Vanillin, synthetic, manufacturing |
| 325199 | Vinyl acetate (except resins) manufacturing |
| 325199 | Wood alcohol, synthetic, manufacturing |