- Plumbing, heating, air-conditioning (113)
- Painting and paper hanging (146)
- Electrical work (66)
- Masonry and other stonework (35)
- Plastering, drywall, and insulation (112)
- Terrazzo, tile, marble and mosaic work (55)
- Carpentry work (60)
- Floor laying and floor work, nec (56)
- Roofing, siding, and sheetmetal work (47)
- Concrete work (87)
- Water well drilling (8)
- Structural steel erection (3)
- Glass and glazing work (4)
- Excavation work (8)
- Wrecking and demolition work (1)
- Special trade contractors, nec (179)
