- Structural steel erection (87)
- Glass and glazing work (163)
- Excavation work (1743)
- Wrecking and demolition work (127)
- Installing building equipment (83)
- Special trade contractors, nec (3117)
- Athletic and recreation facilities construction (50)
- Coating, caulking, and weather, water, and fireproofing (43)
- Service station equipment (5)
- Rigging and scaffolding (9)
- Exterior cleaning, including sandblasting (17)
- Home/office interiors finishing, furnishing and remodeling (85)
- Parking facility equipment and maintenance (6)
- Decontamination services (8)
- Building site preparation (8)
