- Plumbing, heating, air-conditioning (657)
- Painting and paper hanging (489)
- Electrical work (442)
- Masonry and other stonework (134)
- Plastering, drywall, and insulation (210)
- Terrazzo, tile, marble and mosaic work (164)
- Carpentry work (205)
- Floor laying and floor work, nec (184)
- Roofing, siding, and sheetmetal work (312)
- Concrete work (225)
- Water well drilling (15)
- Structural steel erection (24)
- Glass and glazing work (40)
- Excavation work (58)
- Wrecking and demolition work (22)
- Installing building equipment (19)
- Special trade contractors, nec (523)
