- Plumbing, heating, air-conditioning (1)
- Painting and paper hanging (3)
- Electrical work (1)
- Masonry and other stonework (2)
- Plastering, drywall, and insulation (1)
- Floor laying and floor work, nec (1)
- Roofing, siding, and sheetmetal work (3)
- Concrete work (6)
- Excavation work (1)
- Special trade contractors, nec (1)
