- Structural steel erection (171)
- Glass and glazing work (186)
- Excavation work (1776)
- Wrecking and demolition work (109)
- Installing building equipment (90)
- Special trade contractors, nec (3768)
- Athletic and recreation facilities construction (74)
- Coating, caulking, and weather, water, and fireproofing (16)
- Service station equipment (3)
- Rigging and scaffolding (11)
- Exterior cleaning, including sandblasting (26)
- Home/office interiors finishing, furnishing and remodeling (116)
- Parking facility equipment and maintenance (2)
- Decontamination services (19)
- Building site preparation (18)
