- Plumbing, heating, air-conditioning (541)
- Painting and paper hanging (338)
- Electrical work (415)
- Masonry and other stonework (99)
- Plastering, drywall, and insulation (124)
- Terrazzo, tile, marble and mosaic work (87)
- Carpentry work (119)
- Floor laying and floor work, nec (95)
- Roofing, siding, and sheetmetal work (259)
- Concrete work (176)
- Water well drilling (7)
- Structural steel erection (25)
- Glass and glazing work (18)
- Excavation work (60)
- Wrecking and demolition work (21)
- Installing building equipment (15)
- Special trade contractors, nec (740)
