- Plumbing, heating, air-conditioning (15)
- Painting and paper hanging (14)
- Electrical work (8)
- Masonry and other stonework (2)
- Plastering, drywall, and insulation (8)
- Carpentry work (4)
- Floor laying and floor work, nec (4)
- Roofing, siding, and sheetmetal work (12)
- Concrete work (3)
- Excavation work (3)
- Special trade contractors, nec (14)
