- Plumbing, heating, air-conditioning (13)
- Painting and paper hanging (4)
- Electrical work (12)
- Masonry and other stonework (4)
- Plastering, drywall, and insulation (4)
- Terrazzo, tile, marble and mosaic work (2)
- Carpentry work (2)
- Floor laying and floor work, nec (3)
- Roofing, siding, and sheetmetal work (14)
- Concrete work (1)
- Glass and glazing work (2)
- Excavation work (9)
- Wrecking and demolition work (2)
- Special trade contractors, nec (12)
