* Contractors by Trade Specialty (1/18 )

NAICS 23831 - Drywall and Insulation Contractors, NAICS 23811 - Poured Concrete Contractors, NAICS 23812 - Structural Steel and Precast Concrete Contractors, NAICS 23813 - Framing Contractors, NAICS 23814 - Masonry Contractors, NAICS 23815 - Glass and Glazing Contractors, NAICS 23816 - Roofing Contractors, NAICS 23817 - Siding Contractors, NAICS 23821 - Electrical Contractors, NAICS 23822 - Plumbing, Heating, and Air-Conditioning Contractors, NAICS 23829 - Other Building Equipment Contractors, NAICS 23832 - Painting and Wall Covering Contractors, NAICS 23833 - Flooring Contractors, NAICS 23834 - Tile and Terrazzo Contractors, NAICS 23835 - Finish Carpentry Contractors, NAICS 23839 - Other Building Finishing Contractors, NAICS 23891 - Site Preparation Contractors, NAICS 23899 - All Other Specialty Trade Contractors

Architects (-/- )

Builders (-/- )

Building Supplies, Retail (1/- )

Building Supplies, Wholesale (1/- )

Civil Engineering and Heavy Construction (-/3 )

NAICS 2371 - Utility System Construction, NAICS 23711 - Water and Sewer Line Construction, NAICS 23712 - Oil and Gas Pipeline Construction

Commercial Contractors (2/1 )

Electrical Contractors

Engineering Services (-/- )

General Contractors (-/- )

Home Remodeling (1/- )

Independent Contractors (-/- )

Residential Contractors (2/1 )

Electrical Contractors

Trade Associations and Orginizations (2/- )