- Structural steel erection (84)
- Glass and glazing work (113)
- Excavation work (1236)
- Wrecking and demolition work (113)
- Installing building equipment (72)
- Special trade contractors, nec (3093)
- Athletic and recreation facilities construction (42)
- Coating, caulking, and weather, water, and fireproofing (21)
- Service station equipment (2)
- Rigging and scaffolding (25)
- Exterior cleaning, including sandblasting (16)
- Home/office interiors finishing, furnishing and remodeling (93)
- Parking facility equipment and maintenance (2)
- Decontamination services (16)
- Building site preparation (13)
