Six-Digit NAICS Codes & Titles

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Codes Titles Number of US Businesses
23 Construction 1,542,879
236115New Single-Family Housing Construction (except For-Sale Builders) 376,030
236116New Multifamily Housing Construction (except For-Sale Builders) 37,810
236117New Housing For-Sale Builders 9,387
236118Residential Remodelers 92,747
236210Industrial Building Construction 9,298
236220Commercial and Institutional Building Construction 60,396
237110Water and Sewer Line and Related Structures Construction 17,032
237120Oil and Gas Pipeline and Related Structures Construction 2,647
237130Power and Communication Line and Related Structures Construction 2,775
237210Land Subdivision 33,763
237310Highway, Street, and Bridge Construction 29,556
237990Other Heavy and Civil Engineering Construction 8,960
238110Poured Concrete Foundation and Structure Contractors 36,614
238120Structural Steel and Precast Concrete Contractors 3,160
238130Framing Contractors 43,883
238140Masonry Contractors 26,945
238150Glass and Glazing Contractors 6,777
238160Roofing Contractors 42,378
238170Siding Contractors 5,328
238190Other Foundation, Structure, and Building Exterior Contractors 1,987
238210Electrical Contractors and Other Wiring Installation Contractors127,520
238220Plumbing, Heating, and Air-Conditioning Contractors 184,803
238290Other Building Equipment Contractors 2,911
238310Drywall and Insulation Contractors 34,517
238320Painting and Wall Covering Contractors105,941
238330Flooring Contractors19,929
238340Tile and Terrazzo Contractors23,761
238350Finish Carpentry Contractors6,258
238390Other Building Finishing Contractors8,991
238910Site Preparation Contractors43,723
238990All Other Specialty Trade Contractors137,052

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