| Naics index | Naics index description |
|---|---|
| 332312 | Concrete reinforcing bar (rebar) assemblies, fabrication |
| 332312 | Dam gates, metal plate, manufacturing |
| 332312 | Expansion joints, metal, manufacturing |
| 332312 | Fabricated bar joists manufacturing |
| 332312 | Fabricated structural metal manufacturing |
| 332312 | Flood gates, metal plate, manufacturing |
| 332312 | Floor jacks, metal, manufacturing |
| 332312 | Floor posts, adjustable metal, manufacturing |
| 332312 | Highway bridge sections, prefabricated metal, manufacturing |
| 332312 | Joists, fabricated bar, manufacturing |