Codes Titles Number of US Businesses
23 Construction 1,329,343
236115New Single-Family Housing Construction (except For-Sale Builders) 316,667
236116New Multifamily Housing Construction (except For-Sale Builders) 33,907
236117New Housing For-Sale Builders 7,406
236118Residential Remodelers 78,533
236210Industrial Building Construction 7,603
236220Commercial and Institutional Building Construction 55,803
237110Water and Sewer Line and Related Structures Construction 15,129
237120Oil and Gas Pipeline and Related Structures Construction 2,484
237130Power and Communication Line and Related Structures Construction 2,557
237210Land Subdivision 30,619
237310Highway, Street, and Bridge Construction 25,076
237990Other Heavy and Civil Engineering Construction 7,506
238110Poured Concrete Foundation and Structure Contractors 31,821
238120Structural Steel and Precast Concrete Contractors 2,810
238130Framing Contractors 38,187
238140Masonry Contractors 22,346
238150Glass and Glazing Contractors 6,270
238160Roofing Contractors 37,932
238170Siding Contractors 4,087
238190Other Foundation, Structure, and Building Exterior Contractors 1,751
238210Electrical Contractors and Other Wiring Installation Contractors112,845
238220Plumbing, Heating, and Air-Conditioning Contractors 166,965
238290Other Building Equipment Contractors 2,604
238310Drywall and Insulation Contractors 27,872
238320Painting and Wall Covering Contractors83,726
238330Flooring Contractors16,551
238340Tile and Terrazzo Contractors19,681
238350Finish Carpentry Contractors8,686
238390Other Building Finishing Contractors8,222
238910Site Preparation Contractors37,503
238990All Other Specialty Trade Contractors116,194