| 2007 NAICS | 2012 NAICS | 2017 NAICS | Corresponding Index Entries | |||
| 332112 | 332112 | 332112 | Aluminum forgings made from purchased metals, unfinished | |||
| 332112 | 332112 | 332112 | Cold forgings made from purchased nonferrous metals, unfinished | |||
| 332112 | 332112 | 332112 | Copper forgings made from purchased metals, unfinished | |||
| 332112 | 332112 | 332112 | Hammer forgings made from purchased nonferrous metals, unfinished | |||
| 332112 | 332112 | 332112 | Hot forgings made from purchased nonferrous metals, unfinished | |||
| 332112 | 332112 | 332112 | Press forgings made from purchased nonferrous metals, unfinished | |||
| 332112 | 332112 | 332112 | Titanium forgings made from purchased metals, unfinished | |||
| 332112 | 332112 | 332112 | Upset forgings made from purchased nonferrous metals, unfinished |