- Plumbing, heating, air-conditioning (215)
- Painting and paper hanging (86)
- Electrical work (127)
- Masonry and other stonework (27)
- Plastering, drywall, and insulation (46)
- Terrazzo, tile, marble and mosaic work (7)
- Carpentry work (31)
- Floor laying and floor work, nec (40)
- Roofing, siding, and sheetmetal work (93)
- Concrete work (30)
- Water well drilling (2)
- Structural steel erection (8)
- Glass and glazing work (5)
- Excavation work (11)
- Wrecking and demolition work (9)
- Installing building equipment (6)
- Special trade contractors, nec (171)
