- Structural steel erection (161)
- Glass and glazing work (168)
- Excavation work (1790)
- Wrecking and demolition work (153)
- Installing building equipment (87)
- Special trade contractors, nec (3643)
- Athletic and recreation facilities construction (37)
- Coating, caulking, and weather, water, and fireproofing (16)
- Service station equipment (4)
- Rigging and scaffolding (12)
- Exterior cleaning, including sandblasting (15)
- Home/office interiors finishing, furnishing and remodeling (87)
- Parking facility equipment and maintenance (1)
- Decontamination services (9)
- Building site preparation (10)
