The Following NAICS (North American Industrial Classification System) codes are automatically Members of NBCSA:
236110 Residential Building Construction
236210 Industrial Building and Structure Construction
236220 Commercial and Institutional Building Construction
237110 Water and Sewer Line and Related Structures Construction
237120 Oil and Gas Pipeline and Related Structures Construction
237130 Power and Communication Line and Related Structures Construction
237310 Highway, Street and Bridge Construction
237990 Other Heavy and Civil Engineering Construction
238110 Poured Concrete Foundation and Structure Contractors
238120 Structural Steel and Precast Concrete Contractors
238130 Framing Contractors
238140 Masonry Contractors
238150 Glass and Glazing Contractors
238160 Roofing Contractors
238170 Siding Contractors
238190 Other Foundation, Structure and Building Exterior Contractors
238210 Electrical Contractors
238220 Plumbing, Heating and Air-Conditioning Contractors
238291 Elevator and Escalator Installation Contractors
238299 All Other Building Equipment Contractors
238310 Drywall and Insulation Contractors
238320 Painting and Wall Covering Contractors
238330 Flooring Contractors
238340 Tile and Terrazzo Contractors
238350 Finish Carpentry Contractors
238390 Other Building Finishing Contractors
238910 Site Preparation
238990 All Other Specialty Trade Contractors
327320 Ready-Mix Concrete Manufacturing Contractors
561730 Landscaping Services
321992 Prefabricated Wood Building Manufacturing