NAICS Codes

23    Construction

236    Construction of Buildings

2362    Nonresidential Building Construction

23621   Industrial Building Construction

236210   Industrial Building Construction

23622   Commercial and Institutional Building Construction

236220   Commercial and Institutional Building Construction

237    Heavy and Civil Engineering Construction

2371    Utility System Construction

23711   Water and Sewer Line and Related Structures Construction

237110   Water and Sewer Line and Related Structures Construction

23713   Power and Communication Line and Related Structures Construction

237130   Power and Communication Line and Related Structures Construction

2373    Highway, Street, and Bridge Construction

23731   Highway, Street, and Bridge Construction

237310   Highway, Street, and Bridge Construction

2379    Other Heavy and Civil Engineering Construction

23799   Other Heavy and Civil Engineering Construction

237990   Other Heavy and Civil Engineering Construction

238    Specialty Trade Contractors

2381    Foundation, Structure, and Building Exterior Contractors

23811   Poured Concrete Foundation and Structure Contractors

238110   Poured Concrete Foundation and Structure Contractors

23812   Structural Steel and Precast Concrete Contractors

238120   Structural Steel and Precast Concrete Contractors

23813   Framing Contractors

238130   Framing Contractors

23814   Masonry Contractors

238140   Masonry Contractors

23815   Glass and Glazing Contractors

238150   Glass and Glazing Contractors

23816   Roofing Contractors

238160   Roofing Contractors

23817   Siding Contractors

238170   Siding Contractors

23819   Other Foundation, Structure, and Building Exterior Contractors

238190   Other Foundation, Structure, and Building Exterior Contractors

2382    Building Equipment Contractors

23821   Electrical Contractors and Other Wiring Installation Contractors

238210   Electrical Contractors and Other Wiring Installation Contractors

23822   Plumbing, Heating, and Air-Conditioning Contractors

238220   Plumbing, Heating, and Air-Conditioning Contractors

23829   Other Building Equipment Contractors

238290   Other Building Equipment Contractors

2383    Building Finishing Contractors

23831   Drywall and Insulation Contractors

238310   Drywall and Insulation Contractors

23832   Painting and Wall Covering Contractors

238320   Painting and Wall Covering Contractors

23833   Flooring Contractors

238330   Flooring Contractors

23834   Tile and Terrazzo Contractors

238340   Tile and Terrazzo Contractors

23835   Finish Carpentry Contractors

238350   Finish Carpentry Contractors

23839   Other Building Finishing Contractors

238390   Other Building Finishing Contractors

2389    Other Specialty Trade Contractors

23891   Site Preparation Contractors

238910   Site Preparation Contractors

23899   All Other Specialty Trade Contractors

238990   All Other Specialty Trade Contractors

4233    Lumber and Other Construction Materials Merchant Wholesalers

42331   Lumber, Plywood, Millwork, and Wood Panel Merchant Wholesalers

423310   Lumber, Plywood, Millwork, and Wood Panel Merchant Wholesalers

42332   Brick, Stone, and Related Construction Material Merchant Wholesalers

423320   Brick, Stone, and Related Construction Material Merchant Wholesalers

42333   Roofing, Siding, and Insulation Material Merchant Wholesalers

423330   Roofing, Siding, and Insulation Material Merchant Wholesalers

42339   Other Construction Material Merchant Wholesalers

423390   Other Construction Material Merchant Wholesalers

4237    Hardware, and Plumbing and Heating Equipment and Supplies Merchant Wholesalers

42371   Hardware Merchant Wholesalers

423710   Hardware Merchant Wholesalers

42372   Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers

423720   Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers

4238    Machinery, Equipment, and Supplies Merchant Wholesalers

42381   Construction and Mining (except Oil Well) Machinery and Equipment Merchant Wholesalers

423810   Construction and Mining (except Oil Well) Machinery and Equipment Merchant Wholesalers

42382   Farm and Garden Machinery and Equipment Merchant Wholesalers

423820   Farm and Garden Machinery and Equipment Merchant Wholesalers

42383   Industrial Machinery and Equipment Merchant Wholesalers

423830   Industrial Machinery and Equipment Merchant Wholesalers

42384   Industrial Supplies Merchant Wholesalers

423840   Industrial Supplies Merchant Wholesalers

42385   Service Establishment Equipment and Supplies Merchant Wholesalers

423850   Service Establishment Equipment and Supplies Merchant Wholesalers

42386   Transportation Equipment and Supplies (except Motor Vehicle) Merchant Wholesalers

423860   Transportation Equipment and Supplies (except Motor Vehicle) Merchant Wholesalers