- Plumbing, heating, air-conditioning (127)
- Painting and paper hanging (74)
- Electrical work (83)
- Masonry and other stonework (32)
- Plastering, drywall, and insulation (32)
- Terrazzo, tile, marble and mosaic work (18)
- Carpentry work (32)
- Floor laying and floor work, nec (22)
- Roofing, siding, and sheetmetal work (53)
- Concrete work (38)
- Water well drilling (4)
- Structural steel erection (6)
- Glass and glazing work (3)
- Excavation work (28)
- Wrecking and demolition work (2)
- Installing building equipment (6)
- Special trade contractors, nec (85)
