- Plumbing, heating, air-conditioning (4)
- Painting and paper hanging (5)
- Electrical work (2)
- Plastering, drywall, and insulation (1)
- Terrazzo, tile, marble and mosaic work (1)
- Floor laying and floor work, nec (1)
- Roofing, siding, and sheetmetal work (1)
- Concrete work (1)
- Excavation work (2)
- Special trade contractors, nec (7)
