| 2007 NAICS | 2012 NAICS | 2017 NAICS | Corresponding Index Entries | |||
| 333518 | 333519 | 333519 | Assembly machines manufacturing | |||
| 333516 | 333519 | 333519 | Bar mill machinery, metalworking, manufacturing | |||
| 333516 | 333519 | 333519 | Billet mill machinery, metalworking, manufacturing | |||
| 333516 | 333519 | 333519 | Blooming and slabbing mill machinery, metalworking, manufacturing | |||
| 333518 | 333519 | 333519 | Coil winding and cutting machinery, metalworking, manufacturing | |||
| 333516 | 333519 | 333519 | Cold rolling mill machinery, metalworking, manufacturing | |||
| 333518 | 333519 | 333519 | Cradle assembly machinery (i.e., wire making equipment) manufacturing | |||
| 333518 | 333519 | 333519 | Draw bench machines manufacturing | |||
| 333516 | 333519 | 333519 | Galvanizing machinery manufacturing | |||
| 333516 | 333519 | 333519 | Hot strip mill machinery, metalworking, manufacturing | |||
| 333516 | 333519 | 333519 | Hot-rolling mill machinery, metalworking, manufacturing | |||
| 333518 | 333519 | 333519 | Marking machines, metal, manufacturing | |||
| 333516 | 333519 | 333519 | Picklers and pickling machinery, metalworking, manufacturing | |||
| 333516 | 333519 | 333519 | Pipe and tube rolling mill machinery, metalworking, manufacturing | |||
| 333516 | 333519 | 333519 | Plate rolling mill machinery, metalworking, manufacturing | |||
| 333518 | 333519 | 333519 | Propeller straightening presses manufacturing | |||
| 333516 | 333519 | 333519 | Rod rolling mill machinery, metalworking, manufacturing | |||
| 333516 | 333519 | 333519 | Rolling mill machinery and equipment, metalworking, manufacturing | |||
| 333516 | 333519 | 333519 | Rolling mill roll machines, metalworking, manufacturing | |||
| 333516 | 333519 | 333519 | Scarfing units, rolling mill machinery, metalworking, manufacturing | |||
| 333518 | 333519 | 333519 | Screwdowns and boxes machinery, metal, manufacturing | |||
| 333518 | 333519 | 333519 | Screwdriving machines manufacturing | |||
| 333516 | 333519 | 333519 | Structural rolling mill machinery, metalworking, manufacturing | |||
| 333516 | 333519 | 333519 | Tube rolling mill machinery, metalworking, manufacturing | |||
| 333518 | 333519 | 333519 | Wire drawing and fabricating machinery and equipment (except dies) manufacturing |