- Plumbing, heating, air-conditioning (51)
- Painting and paper hanging (21)
- Electrical work (30)
- Masonry and other stonework (7)
- Plastering, drywall, and insulation (13)
- Terrazzo, tile, marble and mosaic work (4)
- Carpentry work (11)
- Floor laying and floor work, nec (6)
- Roofing, siding, and sheetmetal work (17)
- Concrete work (13)
- Water well drilling (1)
- Structural steel erection (1)
- Excavation work (2)
- Wrecking and demolition work (3)
- Special trade contractors, nec (52)
