- Structural steel erection (220)
- Glass and glazing work (237)
- Excavation work (1438)
- Wrecking and demolition work (329)
- Installing building equipment (187)
- Special trade contractors, nec (5949)
- Athletic and recreation facilities construction (65)
- Coating, caulking, and weather, water, and fireproofing (47)
- Service station equipment (8)
- Rigging and scaffolding (28)
- Exterior cleaning, including sandblasting (33)
- Home/office interiors finishing, furnishing and remodeling (163)
- Parking facility equipment and maintenance (5)
- Decontamination services (29)
- Building site preparation (35)
