236220 Primary NAICS Code Commercial & Institutional Building Construction

238310 Drywall & Insulation Contractors

238330 Flooring Contractors

238390 Other Building Finishing Contractors

238350 Finish Carpentry Contractors

238990 All Other Speciality Trade Contractors

236210 Industrial Building Construction

238120 Structural Steel & Precast Concrete Contractors

238140 Masonry Contractors

238290 Other Building Equipment Conractors

238320 Painting and Wall Covering Contractors

236118 Residential Remodelers

238110 Poured Concrete Foundation & Structure Conractors

238130 Framing Conractors

238190 Other Foundation, Structure, and Building Exterior Contractors