| 2007 NAICS | 2012 NAICS | 2017 NAICS | Corresponding Index Entries | |||
| 325312 | 325312 | 325312 | Ammonium phosphates manufacturing | |||
| 325312 | 325312 | 325312 | Defluorinated phosphates manufacturing | |||
| 325312 | 325312 | 325312 | Diammonium phosphates manufacturing | |||
| 325312 | 325312 | 325312 | Fertilizers, mixed, made in plants producing phosphatic fertilizer materials | |||
| 325312 | 325312 | 325312 | Phosphatic fertilizer materials manufacturing | |||
| 325312 | 325312 | 325312 | Phosphoric acid manufacturing | |||
| 325312 | 325312 | 325312 | Plant foods, mixed, made in plants producing phosphatic fertilizer materials | |||
| 325312 | 325312 | 325312 | Superphosphates manufacturing |