- Structural steel erection (769)
- Glass and glazing work (612)
- Excavation work (2390)
- Wrecking and demolition work (628)
- Installing building equipment (382)
- Special trade contractors, nec (20306)
- Athletic and recreation facilities construction (165)
- Coating, caulking, and weather, water, and fireproofing (64)
- Service station equipment (19)
- Rigging and scaffolding (69)
- Exterior cleaning, including sandblasting (142)
- Home/office interiors finishing, furnishing and remodeling (427)
- Parking facility equipment and maintenance (14)
- Decontamination services (62)
- Building site preparation (75)
