- Plumbing, heating, air-conditioning (270)
- Painting and paper hanging (140)
- Electrical work (167)
- Masonry and other stonework (48)
- Plastering, drywall, and insulation (51)
- Terrazzo, tile, marble and mosaic work (41)
- Carpentry work (55)
- Floor laying and floor work, nec (26)
- Roofing, siding, and sheetmetal work (114)
- Concrete work (58)
- Water well drilling (3)
- Structural steel erection (12)
- Glass and glazing work (9)
- Excavation work (16)
- Wrecking and demolition work (2)
- Installing building equipment (2)
- Special trade contractors, nec (279)
