- Plumbing, heating, air-conditioning (213)
- Painting and paper hanging (81)
- Electrical work (123)
- Masonry and other stonework (32)
- Plastering, drywall, and insulation (28)
- Terrazzo, tile, marble and mosaic work (24)
- Carpentry work (51)
- Floor laying and floor work, nec (36)
- Roofing, siding, and sheetmetal work (91)
- Concrete work (61)
- Water well drilling (13)
- Structural steel erection (7)
- Glass and glazing work (9)
- Excavation work (24)
- Wrecking and demolition work (2)
- Installing building equipment (10)
- Special trade contractors, nec (191)
