- Plumbing, heating, air-conditioning (2)
- Painting and paper hanging (1)
- Electrical work (6)
- Masonry and other stonework (2)
- Plastering, drywall, and insulation (3)
- Terrazzo, tile, marble and mosaic work (2)
- Carpentry work (1)
- Roofing, siding, and sheetmetal work (1)
- Concrete work (5)
- Excavation work (2)
- Special trade contractors, nec (7)
