- Plumbing, heating, air-conditioning (128)
- Painting and paper hanging (75)
- Electrical work (78)
- Masonry and other stonework (11)
- Plastering, drywall, and insulation (20)
- Terrazzo, tile, marble and mosaic work (28)
- Carpentry work (32)
- Floor laying and floor work, nec (23)
- Roofing, siding, and sheetmetal work (42)
- Concrete work (35)
- Water well drilling (2)
- Structural steel erection (7)
- Glass and glazing work (4)
- Excavation work (5)
- Wrecking and demolition work (1)
- Installing building equipment (1)
- Special trade contractors, nec (179)
