| 2007 NAICS | 2012 NAICS | 2017 NAICS | Corresponding Index Entries | |||
| 111199 | 111199 | 111199 | Barley farming, field and seed production | |||
| 111199 | 111199 | 111199 | Broomcorn farming | |||
| 111199 | 111199 | 111199 | Buckwheat farming | |||
| 111199 | 111199 | 111199 | Milo farming, field and seed production | |||
| 111199 | 111199 | 111199 | Oat farming, field and seed production | |||
| 111199 | 111199 | 111199 | Rye farming, field and seed production | |||
| 111199 | 111199 | 111199 | Sorghum farming, field and seed production | |||
| 111199 | 111199 | 111199 | Wild rice farming, field and seed production |