Six Digit NAICS Codes & Titles

Codes	Titles	Total Marketable US Businesses
23	Construction	1,369,268
2361	Residential Building Construction	459,702
236115	New Single-Family Housing Construction (except For-Sale Builders)	332,294
236116	New Multifamily Housing Construction (except For-Sale Builders)	30,752
236117	New Housing For-Sale Builders	6,887
236118	Residential Remodelers	89,769
2362	Nonresidential Building Construction	61,835
236210	Industrial Building Construction	7,597
236220	Commercial and Institutional Building Construction	54,238
2371	Utility System Construction	20,322
237110	Water and Sewer Line and Related Structures Construction	15,326
237120	Oil and Gas Pipeline and Related Structures Construction	2,455
237130	Power and Communication Line and Related Structures Construction	2,541
2372	Land Subdivision	29,534
237210	Land Subdivision	29,534
2373	Highway, Street, and Bridge Construction	24,904
237310	Highway, Street, and Bridge Construction	24,904
2379	Other Heavy and Civil Engineering Construction	7,486
237990	Other Heavy and Civil Engineering Construction	7,486
2381	Foundation, Structure, and Building Exterior Contractors	149,057
238110	Poured Concrete Foundation and Structure Contractors	33,212
238120	Structural Steel and Precast Concrete Contractors	2,596
238130	Framing Contractors	39,171
238140	Masonry Contractors	22,040
238150	Glass and Glazing Contractors	6,242
238160	Roofing Contractors	39,859
238170	Siding Contractors	3,852
238190	Other Foundation, Structure, and Building Exterior Contractors	2,085
2382	Building Equipment Contractors	287,588
238210	Electrical Contractors and Other Wiring Installation Contractors	111,296
238220	Plumbing, Heating, and Air-Conditioning Contractors	173,713
238290	Other Building Equipment Contractors	2,579
2383	Building Finishing Contractors	171,626
238310	Drywall and Insulation Contractors	28,064
238320	Painting and Wall Covering Contractors	87,157
238330	Flooring Contractors	15,835
238340	Tile and Terrazzo Contractors	20,668
238350	Finish Carpentry Contractors	10,609
238390	Other Building Finishing Contractors	9,293
2389	Other Specialty Trade Contractors	157,214
238910	Site Preparation Contractors	36,701
238990	All Other Specialty Trade Contractors	120,513