NAICS Code Lookup

Poured Concrete Foundation and Structure Contractors




Specialty Trade Contractors


The Specialty Trade Contractors subsector comprises establishments whose primary activity is performing specific activities (e.g., pouring concrete, site preparation, plumbing, painting, and electrical work) involved in building construction or other activities that are similar for all types of construction, but that are not responsible for the entire project. The work performed may include new work, additions, alterations, maintenance, and repairs. The production work performed by establishments in this subsector is usually subcontracted from establishments of the general contractor type or for-sale builders, but especially in remodeling and repair construction, work also may be done directly for the owner of the property. Specialty trade contractors usually perform most of their work at the construction site, although they may have shops where they perform prefabrication and other work. Establishments primarily engaged in preparing sites for new construction are also included in this subsector.

There are substantial differences in types of equipment, work force skills, and other inputs required by specialty trade contractors. Establishments in this subsector are classified based on the underlying production function for the specialty trade in which they specialize. Throughout the Specialty Trade Contractors subsector, establishments commonly provide both the parts and labor required to complete work. For example, electrical contractors supply the current-carrying and noncurrent-carrying wiring devices that are required to install a circuit. Plumbing, heating, and air-conditioning contractors also supply the parts required to complete a contract.

Establishments that specialize in activities primarily related to heavy and civil engineering construction that are not normally performed on buildings, such as the painting of lines on highways are classified in Subsector 237, Heavy and Civil Engineering Construction.

Establishments that are primarily engaged in selling construction materials are classified in Sector 42, Wholesale Trade, or Sector 44-45, Retail Trade, based on the characteristics of the selling unit.

NAICS CodesNAICS Description
23811Poured Concrete Foundation and Structure Contractors
23812Structural Steel and Precast Concrete Contractors
23813Framing Contractors
23814Masonry Contractors
23815Glass and Glazing Contractors
23816Roofing Contractors
23817Siding Contractors
23819Other Foundation, Structure, and Building Exterior Contractors
23821Electrical Contractors and Other Wiring Installation Contractors
23822Plumbing, Heating, and Air-Conditioning Contractors
23829Other Building Equipment Contractors
23831Drywall and Insulation Contractors
23832Painting and Wall Covering Contractors
23833Flooring Contractors
23834Tile and Terrazzo Contractors
23835Finish Carpentry Contractors
23839Other Building Finishing Contractors
23891Site Preparation Contractors
23899All Other Specialty Trade Contractors
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