- Balcony, precast concrete, installation
- Concrete product (e.g., structural precast, structural prestressed) installation
- Concrete reinforcement placement
- Curtain wall, precast concrete, installation
- Erecting structural steel
- Iron work, structural, contractors
- Placing and tying reinforcing rod at a construction site
- Precast concrete panel, slab, or form installation
- Prestressed concrete beam, slab or other component installation
- Rebar contractors
- Reinforcing rod, bar, mesh and cage installation
- Reinforcing steel contractors
- Stairway, precast concrete, installation
- Steel reinforcing contractors
- Structural steel erecting or iron work contractors
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