Six-Digit NAICS Codes & Titles

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Codes Titles Number of US Businesses
23 Construction 1,837,665
236115New Single-Family Housing Construction (except For-Sale Builders) 462,214
236116New Multifamily Housing Construction (except For-Sale Builders) 48,029
236117New Housing For-Sale Builders 9,931
236118Residential Remodelers 111,477
236210Industrial Building Construction 10,609
236220Commercial and Institutional Building Construction 68,749
237110Water and Sewer Line and Related Structures Construction 19,467
237120Oil and Gas Pipeline and Related Structures Construction 2,766
237130Power and Communication Line and Related Structures Construction 3,064
237210Land Subdivision 42,462
237310Highway, Street, and Bridge Construction 33,054
237990Other Heavy and Civil Engineering Construction 10,433
238110Poured Concrete Foundation and Structure Contractors 43,097
238120Structural Steel and Precast Concrete Contractors 3,680
238130Framing Contractors 53,323
238140Masonry Contractors 31,715
238150Glass and Glazing Contractors 7,341
238160Roofing Contractors 50,101
238170Siding Contractors 6,726
238190Other Foundation, Structure, and Building Exterior Contractors 2,301
238210Electrical Contractors and Other Wiring Installation Contractors146,234
238220Plumbing, Heating, and Air-Conditioning Contractors 209,127
238290Other Building Equipment Contractors 3,218
238310Drywall and Insulation Contractors 40,314
238320Painting and Wall Covering Contractors137,166
238330Flooring Contractors24,313
238340Tile and Terrazzo Contractors27,816
238350Finish Carpentry Contractors7,902
238390Other Building Finishing Contractors10,262
238910Site Preparation Contractors50,713
238990All Other Specialty Trade Contractors160,061

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