- Plumbing, heating, air-conditioning (4)
- Painting and paper hanging (10)
- Electrical work (3)
- Masonry and other stonework (2)
- Plastering, drywall, and insulation (3)
- Terrazzo, tile, marble and mosaic work (7)
- Carpentry work (4)
- Floor laying and floor work, nec (2)
- Roofing, siding, and sheetmetal work (3)
- Concrete work (4)
- Water well drilling (1)
- Special trade contractors, nec (19)
