- Plumbing, heating, air-conditioning (189)
- Painting and paper hanging (124)
- Electrical work (105)
- Masonry and other stonework (29)
- Plastering, drywall, and insulation (39)
- Terrazzo, tile, marble and mosaic work (8)
- Carpentry work (60)
- Floor laying and floor work, nec (42)
- Roofing, siding, and sheetmetal work (113)
- Concrete work (74)
- Water well drilling (5)
- Structural steel erection (8)
- Glass and glazing work (14)
- Excavation work (50)
- Wrecking and demolition work (6)
- Installing building equipment (4)
- Special trade contractors, nec (130)
