- Plumbing, heating, air-conditioning (30)
- Painting and paper hanging (2)
- Electrical work (19)
- Masonry and other stonework (4)
- Plastering, drywall, and insulation (8)
- Terrazzo, tile, marble and mosaic work (2)
- Carpentry work (3)
- Floor laying and floor work, nec (1)
- Roofing, siding, and sheetmetal work (15)
- Concrete work (8)
- Water well drilling (1)
- Structural steel erection (2)
- Glass and glazing work (1)
- Excavation work (9)
- Special trade contractors, nec (19)
