- Structural steel erection (199)
- Glass and glazing work (228)
- Excavation work (2131)
- Wrecking and demolition work (168)
- Installing building equipment (78)
- Special trade contractors, nec (3919)
- Athletic and recreation facilities construction (58)
- Coating, caulking, and weather, water, and fireproofing (40)
- Service station equipment (4)
- Rigging and scaffolding (8)
- Exterior cleaning, including sandblasting (34)
- Home/office interiors finishing, furnishing and remodeling (125)
- Parking facility equipment and maintenance (10)
- Decontamination services (15)
- Building site preparation (33)
