| Naics index | Naics index description |
|---|---|
| 238120 | Erecting structural steel |
| 238120 | Iron work, structural, contractors |
| 238120 | Placing and tying reinforcing rod at a construction site |
| 238120 | Precast concrete panel, slab, or form installation |
| 238120 | Prestressed concrete beam, slab or other component installation |
| 238120 | Rebar contractors |
| 238120 | Reinforcing rod, bar, mesh and cage installation |
| 238120 | Reinforcing steel contractors |
| 238120 | Stairway, precast concrete, installation |
| 238120 | Steel reinforcing contractors |