Six-Digit NAICS Codes & Titles

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Codes Titles Number of US Businesses
23 Construction 1,837,084
236115New Single-Family Housing Construction (except For-Sale Builders) 462,908
236116New Multifamily Housing Construction (except For-Sale Builders) 47,955
236117New Housing For-Sale Builders 9,892
236118Residential Remodelers 111,403
236210Industrial Building Construction 10,599
236220Commercial and Institutional Building Construction 68,654
237110Water and Sewer Line and Related Structures Construction 19,441
237120Oil and Gas Pipeline and Related Structures Construction 2,780
237130Power and Communication Line and Related Structures Construction 3,075
237210Land Subdivision 42,304
237310Highway, Street, and Bridge Construction 33,045
237990Other Heavy and Civil Engineering Construction 10,407
238110Poured Concrete Foundation and Structure Contractors 43,084
238120Structural Steel and Precast Concrete Contractors 3,677
238130Framing Contractors 53,299
238140Masonry Contractors 31,665
238150Glass and Glazing Contractors 7,336
238160Roofing Contractors 50,021
238170Siding Contractors 6,703
238190Other Foundation, Structure, and Building Exterior Contractors 2,302
238210Electrical Contractors and Other Wiring Installation Contractors145,970
238220Plumbing, Heating, and Air-Conditioning Contractors 209,131
238290Other Building Equipment Contractors 3,212
238310Drywall and Insulation Contractors 40,257
238320Painting and Wall Covering Contractors137,227
238330Flooring Contractors24,242
238340Tile and Terrazzo Contractors27,808
238350Finish Carpentry Contractors7,878
238390Other Building Finishing Contractors10,233
238910Site Preparation Contractors50,685
238990All Other Specialty Trade Contractors159,891

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