The North American Industry Classification System (NAICS, pronounced Nakes) was developed as the standard for use by Federal statistical agencies in classifying business establishments for the collection, analysis, and publication of statistical data related to the business economy of the U.S. NAICS was developed under the auspices of the Office of Management and Budget (OMB), and adopted in 1997 to replace the old Standard Industrial Classification (SIC) system. It was also developed in cooperation with the statistical agencies of Canada and Mexico to establish a 3-country standard that allows for a high level of comparability in business statistics among the three countries. NAICS is the first economic classification system to be constructed based on a single economic concept.


NAICS Industry Groups
NAICS Code Description
236115 New Single-Family Housing Construction (except Operative Builders)
236116 New Multifamily Housing Construction (except Operative Builders)
236117 New Housing Operative Builders
236118 Residential Remodelers
236210 Industrial Building Construction
236220 Commercial and Institutional Building Construction
237110 Water and Sewer Line and Related Structures Construction
237120 Oil and Gas Pipeline and Related Structures Construction
237130 Power and Communication Line and Related Structures Construction
237210 Land Subdivision
237310 Highway,Street,and Bridge Construction
237990 Other Heavy and Civil Engineering Construction
238110 Poured Concrete Foundation and Structure Contractors
238120 Structural Steel and Precast Concrete Contractors
238140 Masonry Contractors
238150 Glass and Glazing Contractors
238190 Other Foundation,Structure
238210 Electrical Contractors and Other Wiring Installation Contractors
238220 Plumbing,Heating,and Air-Conditioning Contractors
238290 Other Building Equipment Contractors
238310 Drywall and Insulation Contractors
238320 Painting and Wall Covering Contractors
238330 Flooring Contractors
238340 Tile and Terrazzo Contractors
238390 Other Building Finishing Contractors
238910 Site Preparation Contractors
238990 All Other Specialty Trade Contractors

The SIC covers the entire field of economic activities by defining industries in accordance with the composition and structure of the economy. Over the years, it was revised periodically to reflect the economy's changing industry composition and organization. The Office of Management and Budget (OMB) last updated the SIC in 1987.


SIC Industry Groups

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