- Structural steel erection (559)
- Glass and glazing work (595)
- Excavation work (2883)
- Wrecking and demolition work (473)
- Installing building equipment (294)
- Special trade contractors, nec (13606)
- Athletic and recreation facilities construction (129)
- Coating, caulking, and weather, water, and fireproofing (128)
- Service station equipment (8)
- Rigging and scaffolding (92)
- Exterior cleaning, including sandblasting (58)
- Home/office interiors finishing, furnishing and remodeling (314)
- Parking facility equipment and maintenance (7)
- Decontamination services (40)
- Building site preparation (76)
