- Structural steel erection (219)
- Glass and glazing work (196)
- Excavation work (974)
- Wrecking and demolition work (137)
- Installing building equipment (65)
- Special trade contractors, nec (3891)
- Athletic and recreation facilities construction (46)
- Coating, caulking, and weather, water, and fireproofing (32)
- Service station equipment (5)
- Rigging and scaffolding (22)
- Exterior cleaning, including sandblasting (22)
- Home/office interiors finishing, furnishing and remodeling (69)
- Parking facility equipment and maintenance (2)
- Decontamination services (9)
- Building site preparation (10)
