| 2007 NAICS | 2012 NAICS | 2017 NAICS | Corresponding Index Entries | |||
| 332323 | 332323 | 332323 | Acoustical suspension systems, metal, manufacturing | |||
| 332323 | 332323 | 332323 | Architectural metalwork manufacturing | |||
| 332323 | 332323 | 332323 | Balcony railings, metal, manufacturing | |||
| 332323 | 332323 | 332323 | Bank fixtures, ornamental metal, manufacturing | |||
| 332323 | 332323 | 332323 | Bannisters, metal, manufacturing | |||
| 332323 | 332323 | 332323 | Barn stanchions and standards manufacturing | |||
| 332323 | 332323 | 332323 | Brasswork, ornamental, manufacturing | |||
| 332323 | 332323 | 332323 | Chain ladders, metal, manufacturing | |||
| 332323 | 332323 | 332323 | Channels, furring metal, manufacturing | |||
| 332323 | 332323 | 332323 | Corrals, metal, manufacturing | |||
| 332323 | 332323 | 332323 | Curtain wall, metal, manufacturing | |||
| 332323 | 332323 | 332323 | Elevator guide rails, metal, manufacturing | |||
| 332323 | 332323 | 332323 | Fences and gates (except wire), metal, manufacturing | |||
| 332323 | 332323 | 332323 | Fire escapes, metal, manufacturing | |||
| 332323 | 332323 | 332323 | Flagpoles, metal, manufacturing | |||
| 332323 | 332323 | 332323 | Flooring, open steel (i.e., grating), manufacturing | |||
| 332323 | 332323 | 332323 | Furring channels, sheet metal, manufacturing | |||
| 332323 | 332323 | 332323 | Gates, holding, sheet metal, manufacturing | |||
| 332323 | 332323 | 332323 | Gates, metal (except wire), manufacturing | |||
| 332323 | 332323 | 332323 | Gratings (i.e., open steel flooring) manufacturing | |||
| 332323 | 332323 | 332323 | Grills and grillwork, sheet metal, manufacturing | |||
| 332323 | 332323 | 332323 | Grillwork, ornamental metal, manufacturing | |||
| 332323 | 332323 | 332323 | Guards, bannisters, and railings, sheet metal, manufacturing | |||
| 332323 | 332323 | 332323 | Ladders, metal chain, manufacturing | |||
| 332323 | 332323 | 332323 | Ladders, permanently installed, metal, manufacturing | |||
| 332323 | 332323 | 332323 | Lath, expanded metal, manufacturing | |||
| 332323 | 332323 | 332323 | Ornamental metalwork manufacturing | |||
| 332323 | 332323 | 332323 | Partitions, ornamental metal, manufacturing | |||
| 332323 | 332323 | 332323 | Pipe bannisters, metal, manufacturing | |||
| 332323 | 332323 | 332323 | Pipe guards, metal, manufacturing | |||
| 332323 | 332323 | 332323 | Pipe railings, metal, manufacturing | |||
| 332323 | 332323 | 332323 | Purlins, metal, manufacturing | |||
| 332323 | 332323 | 332323 | Railings, metal, manufacturing | |||
| 332323 | 332323 | 332323 | Registers, metal air, manufacturing | |||
| 332323 | 332323 | 332323 | Scaffolds, metal, manufacturing | |||
| 332323 | 332323 | 332323 | Stair railings, metal, manufacturing | |||
| 332323 | 332323 | 332323 | Stair treads, metal, manufacturing | |||
| 332323 | 332323 | 332323 | Staircases, metal, manufacturing | |||
| 332323 | 332323 | 332323 | Stairs, metal, manufacturing | |||
| 332323 | 332323 | 332323 | Stalls, metal, manufacturing | |||
| 332323 | 332323 | 332323 | Treads, metal stair, manufacturing | |||
| 332323 | 332323 | 332323 | Wrought iron fences manufacturing |