- Structural steel erection (142)
- Glass and glazing work (152)
- Excavation work (2117)
- Wrecking and demolition work (124)
- Installing building equipment (143)
- Special trade contractors, nec (3172)
- Athletic and recreation facilities construction (34)
- Coating, caulking, and weather, water, and fireproofing (37)
- Service station equipment (5)
- Rigging and scaffolding (11)
- Exterior cleaning, including sandblasting (37)
- Home/office interiors finishing, furnishing and remodeling (93)
- Parking facility equipment and maintenance (2)
- Decontamination services (13)
- Building site preparation (19)
