- Plumbing, heating, air-conditioning (179)
- Painting and paper hanging (109)
- Electrical work (102)
- Masonry and other stonework (30)
- Plastering, drywall, and insulation (33)
- Terrazzo, tile, marble and mosaic work (31)
- Carpentry work (20)
- Floor laying and floor work, nec (21)
- Roofing, siding, and sheetmetal work (96)
- Concrete work (59)
- Structural steel erection (4)
- Glass and glazing work (4)
- Excavation work (6)
- Wrecking and demolition work (2)
- Installing building equipment (3)
- Special trade contractors, nec (240)
