- Structural steel erection (141)
- Glass and glazing work (162)
- Excavation work (1681)
- Wrecking and demolition work (95)
- Installing building equipment (66)
- Special trade contractors, nec (2975)
- Athletic and recreation facilities construction (49)
- Coating, caulking, and weather, water, and fireproofing (21)
- Service station equipment (2)
- Rigging and scaffolding (14)
- Exterior cleaning, including sandblasting (26)
- Home/office interiors finishing, furnishing and remodeling (65)
- Parking facility equipment and maintenance (1)
- Decontamination services (11)
- Building site preparation (21)
