- Plumbing, heating, air-conditioning (152)
- Painting and paper hanging (97)
- Electrical work (126)
- Masonry and other stonework (22)
- Plastering, drywall, and insulation (41)
- Terrazzo, tile, marble and mosaic work (38)
- Carpentry work (42)
- Floor laying and floor work, nec (32)
- Roofing, siding, and sheetmetal work (58)
- Concrete work (76)
- Water well drilling (11)
- Structural steel erection (12)
- Glass and glazing work (7)
- Excavation work (50)
- Wrecking and demolition work (6)
- Installing building equipment (7)
- Special trade contractors, nec (141)
