- Plumbing, heating, air-conditioning (43)
- Painting and paper hanging (41)
- Electrical work (16)
- Masonry and other stonework (3)
- Plastering, drywall, and insulation (14)
- Terrazzo, tile, marble and mosaic work (5)
- Carpentry work (10)
- Floor laying and floor work, nec (12)
- Roofing, siding, and sheetmetal work (18)
- Concrete work (16)
- Water well drilling (1)
- Structural steel erection (2)
- Glass and glazing work (2)
- Excavation work (22)
- Wrecking and demolition work (1)
- Installing building equipment (2)
- Special trade contractors, nec (38)
