| Naics index | Naics index description |
|---|---|
| 325194 | Pitch, wood, manufacturing |
| 325194 | Pyroligneous acids manufacturing |
| 325194 | Quebracho extracts manufacturing |
| 325194 | Quercitron extracts manufacturing |
| 325194 | Resorcinol manufacturing |
| 325194 | Rosins made by distillation of pine gum or pine wood |
| 325194 | Softwood distillates manufacturing |
| 325194 | Sulfonated naphthalene manufacturing |
| 325194 | Sulphonated derivatives manufacturing |
| 325194 | Sumac extract manufacturing |