- Plumbing, heating, air-conditioning (15)
- Painting and paper hanging (5)
- Electrical work (14)
- Masonry and other stonework (3)
- Plastering, drywall, and insulation (4)
- Carpentry work (2)
- Floor laying and floor work, nec (2)
- Roofing, siding, and sheetmetal work (5)
- Concrete work (8)
- Water well drilling (1)
- Structural steel erection (2)
- Glass and glazing work (1)
- Excavation work (9)
- Special trade contractors, nec (9)
