- Plumbing, heating, air-conditioning (1)
- Painting and paper hanging (5)
- Electrical work (1)
- Plastering, drywall, and insulation (1)
- Carpentry work (6)
- Roofing, siding, and sheetmetal work (1)
- Concrete work (4)
- Water well drilling (1)
- Excavation work (8)
- Special trade contractors, nec (2)
