- Plumbing, heating, air-conditioning (48)
- Painting and paper hanging (17)
- Electrical work (30)
- Masonry and other stonework (7)
- Plastering, drywall, and insulation (12)
- Terrazzo, tile, marble and mosaic work (5)
- Carpentry work (5)
- Floor laying and floor work, nec (11)
- Roofing, siding, and sheetmetal work (27)
- Concrete work (11)
- Glass and glazing work (2)
- Excavation work (21)
- Wrecking and demolition work (4)
- Installing building equipment (2)
- Special trade contractors, nec (44)
