- Structural steel erection (164)
- Glass and glazing work (134)
- Excavation work (470)
- Wrecking and demolition work (218)
- Installing building equipment (62)
- Special trade contractors, nec (2872)
- Athletic and recreation facilities construction (30)
- Coating, caulking, and weather, water, and fireproofing (16)
- Service station equipment (4)
- Rigging and scaffolding (12)
- Exterior cleaning, including sandblasting (31)
- Home/office interiors finishing, furnishing and remodeling (43)
- Parking facility equipment and maintenance (2)
- Decontamination services (8)
- Building site preparation (15)
