- Plumbing, heating, air-conditioning (8)
- Painting and paper hanging (2)
- Electrical work (2)
- Masonry and other stonework (2)
- Plastering, drywall, and insulation (1)
- Roofing, siding, and sheetmetal work (2)
- Excavation work (3)
- Special trade contractors, nec (1)
