- Plumbing, heating, air-conditioning (235)
- Painting and paper hanging (238)
- Electrical work (173)
- Masonry and other stonework (25)
- Plastering, drywall, and insulation (107)
- Terrazzo, tile, marble and mosaic work (65)
- Carpentry work (69)
- Floor laying and floor work, nec (62)
- Roofing, siding, and sheetmetal work (126)
- Concrete work (68)
- Water well drilling (2)
- Structural steel erection (8)
- Glass and glazing work (10)
- Excavation work (26)
- Wrecking and demolition work (5)
- Installing building equipment (2)
- Special trade contractors, nec (167)
