- Plumbing, heating, air-conditioning (67)
- Painting and paper hanging (50)
- Electrical work (53)
- Masonry and other stonework (13)
- Plastering, drywall, and insulation (31)
- Terrazzo, tile, marble and mosaic work (2)
- Carpentry work (14)
- Floor laying and floor work, nec (15)
- Roofing, siding, and sheetmetal work (23)
- Concrete work (22)
- Water well drilling (5)
- Structural steel erection (2)
- Glass and glazing work (2)
- Excavation work (4)
- Wrecking and demolition work (4)
- Installing building equipment (2)
- Special trade contractors, nec (63)
