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Standard Industrial Codes (SIC)
1522- General Contractors-Residential Buildings
1542- General Contractors-Nonresidential Buildings
1721- Painting and Paper Hanging
1741- Masonry and Other Stone Work
1742- Plastering, Drywall, Acoustical, and Insulation Work
1743- Terrazzo, Tile, Marble, and Mosaic Work
1751- Carpentry Work
1752- Floor Laying and Other Floor Work
1761- Roofing, Siding, and Sheet Metal Work
1771- Concrete Work
1794- Excavation Work
1795- Wrecking and Demolition Work
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Certifications