| Naics index | Naics index description |
|---|---|
| 332722 | Rivets, metal, manufacturing |
| 332722 | Screw eyes, metal, manufacturing |
| 332722 | Screws, metal, manufacturing |
| 332722 | Spring pins, metal, manufacturing |
| 332722 | Spring washers, metal, manufacturing |
| 332722 | Toggle bolts, metal, manufacturing |
| 332722 | Turnbuckles, metal, manufacturing |
| 332722 | Washers, metal, manufacturing |
| 332811 | Annealing metals and metal products for the trade |
| 332811 | Brazing (i.e., hardening) metals and metal products for the trade |