- Plumbing, heating, air-conditioning (169)
- Painting and paper hanging (82)
- Electrical work (119)
- Masonry and other stonework (18)
- Plastering, drywall, and insulation (37)
- Terrazzo, tile, marble and mosaic work (32)
- Carpentry work (61)
- Floor laying and floor work, nec (37)
- Roofing, siding, and sheetmetal work (55)
- Concrete work (51)
- Water well drilling (4)
- Structural steel erection (1)
- Glass and glazing work (2)
- Excavation work (22)
- Wrecking and demolition work (1)
- Installing building equipment (1)
- Special trade contractors, nec (97)
