Codes Titles Number of US Businesses
23 Construction 1,339,239
236115New Single-Family Housing Construction (except For-Sale Builders) 327,528
236116New Multifamily Housing Construction (except For-Sale Builders) 31,890
236117New Housing For-Sale Builders 7,002
236118Residential Remodelers 79,137
236210Industrial Building Construction 7,366
236220Commercial and Institutional Building Construction 54,854
237110Water and Sewer Line and Related Structures Construction 15,291
237120Oil and Gas Pipeline and Related Structures Construction 2,432
237130Power and Communication Line and Related Structures Construction 2,507
237210Land Subdivision 30,252
237310Highway, Street, and Bridge Construction 24,848
237990Other Heavy and Civil Engineering Construction 7,473
238110Poured Concrete Foundation and Structure Contractors 32,833
238120Structural Steel and Precast Concrete Contractors 2,736
238130Framing Contractors 37,779
238140Masonry Contractors 21,468
238150Glass and Glazing Contractors 6,208
238160Roofing Contractors 38,185
238170Siding Contractors 3,834
238190Other Foundation, Structure, and Building Exterior Contractors 1,827
238210Electrical Contractors and Other Wiring Installation Contractors110,179
238220Plumbing, Heating, and Air-Conditioning Contractors 169,191
238290Other Building Equipment Contractors 2,577
238310Drywall and Insulation Contractors 27,624
238320Painting and Wall Covering Contractors84,688
238330Flooring Contractors15,946
238340Tile and Terrazzo Contractors20,239
238350Finish Carpentry Contractors10,241
238390Other Building Finishing Contractors8,080
238910Site Preparation Contractors36,478
238990All Other Specialty Trade Contractors118,546