- Plumbing, heating, air-conditioning (46)
- Painting and paper hanging (37)
- Electrical work (48)
- Masonry and other stonework (8)
- Plastering, drywall, and insulation (21)
- Terrazzo, tile, marble and mosaic work (3)
- Carpentry work (35)
- Floor laying and floor work, nec (13)
- Roofing, siding, and sheetmetal work (40)
- Concrete work (10)
- Structural steel erection (1)
- Glass and glazing work (5)
- Excavation work (5)
- Wrecking and demolition work (3)
- Installing building equipment (1)
- Special trade contractors, nec (57)
