Special Trade Contractors


17 Special Trade Contractors
171 Plumbing, Heating, Air-conditioning
1711 Plumbing, heating, air-conditioning
172 Painting and Paper Hanging
1721 Painting and paper hanging
173 Electrical Work
1731 Electrical work
174 Masonry, Stonework, and Plastering
1741 Masonry and other stone work
1742 Plastering, drywall, and insulation
1743 Terrazzo, tile, marble, mosaic work
175 Carpentry and Floor Work
1751 Carpentry work
1752 Floor laying and floor work, nec
176 Roofing, Siding, and Sheet Metal Work
1761 Roofing, siding, & sheet metal work
177 Concrete Work
1771 Concrete work
178 Water Well Drilling
1781 Water well drilling
179 Misc. Special Trade Contractors
1791 Structural steel erection
1793 Glass and glazing work
1794 Excavation work
1795 Wrecking and demolition work
1796 Installing building equipment, nec
1799 Special trade contractors, nec