- Structural steel erection (124)
- Glass and glazing work (110)
- Excavation work (1280)
- Wrecking and demolition work (96)
- Installing building equipment (85)
- Special trade contractors, nec (2434)
- Athletic and recreation facilities construction (16)
- Coating, caulking, and weather, water, and fireproofing (20)
- Service station equipment (2)
- Rigging and scaffolding (7)
- Exterior cleaning, including sandblasting (17)
- Home/office interiors finishing, furnishing and remodeling (61)
- Parking facility equipment and maintenance (5)
- Decontamination services (2)
- Building site preparation (9)
