Variant of NAICS 2002 - Information and Communication Technology (ICT) Sector

2381 - Foundation, Structure, and Building Exterior Contractors

This industry group comprises establishments primarily engaged in the specialty trades needed to complete the basic structure (i.e., foundation, frame, and shell) of buildings. The work performed may include new work, additions, alterations, maintenance, and repairs.

23811 - Poured Concrete Foundation and Structure Contractors

This industry comprises establishments primarily engaged in pouring and finishing concrete foundations and structural elements. This industry also includes establishments performing grout and shotcrete work. The work performed may include new work, additions, alterations, maintenance, and repairs.

• Exclusion(s):

  Establishments primarily engaged in:

  • constructing or paving streets, highways, and public sidewalks (See 23731 Highway, Street and Bridge Construction)
  • erecting and dismantling forms for poured concrete (See 23819 Other Foundation, Structure and Building Exterior Contractors)
  • concrete sealing, coating, waterproofing, or dampproofing (See 23839 Other Building Finishing Contractors)
  • paving residential driveways, commercial parking lots, and other private parking (See 23899 All Other Specialty Trade Contractors)

23812 - Structural Steel and Precast Concrete Contractors

This industry comprises establishments primarily engaged in: (1) erecting and assembling structural parts made from steel or precast concrete (e.g., steel beams, structural steel components, and similar products of precast concrete); and/or (2) assembling and installing other steel construction products (e.g., steel rods, bars, rebar, mesh, and cages) to reinforce poured-in-place concrete. The work performed may include new work, additions, alterations, maintenance, and repairs.

• Exclusion(s):

  Establishments primarily engaged in:

  • pouring concrete at the construction site for building foundations or structural elements (See 23811 Poured Concrete Foundation and Structure Contractors)

23813 - Framing Contractors^US

This industry comprises establishments primarily engaged in structural framing and sheathing using materials other than structural steel or concrete. The work performed may include new work, additions, alterations, maintenance, and repairs.

• Exclusion(s):

  Establishments primarily engaged in:

  • installing structural steel framing or precast concrete framing (See 23812 Structural Steel and Precast Concrete Contractors)
  • constructing brick, block, stone foundations (See 23814 Masonry Contractors)
  • finish carpentry (See 23835 Finish Carpentry Contractors)

23814 - Masonry Contractors^US

This industry comprises establishments primarily engaged in masonry work, stone setting, brick laying, and other stone work. The work performed may include new work, additions, alterations, maintenance, and repairs.

• Exclusion(s):

  Establishments primarily engaged in:

  • erecting the basic structure of buildings by pouring concrete (See 23811 Poured Concrete Foundation and Structure Contractors)
  • interior marble, granite and slate work (See 23834 Tile and Terrazzo Contractors)
  • laying precast stones or bricks for patios, sidewalks, and driveways; or paving residential driveways, commercial parking lots and other private parking (See 23899 All Other Specialty Trade Contractors)

23815 - Glass and Glazing Contractors^US

This industry comprises establishments primarily engaged in installing glass panes in prepared openings (i.e., glazing work) and other glass work for buildings. The work performed may include new work, additions, alterations, maintenance, and repairs.

• Exclusion(s):

  Establishments primarily engaged in:

  • installing prefabricated window units (See 23835 Finish Carpentry Contractors)
  • the replacement, repair, and/or tinting of automotive glass (See 811122 Automotive Glass Replacement Shops)

23816 - Roofing Contractors^US

This industry comprises establishments primarily engaged in roofing. This industry also includes establishments treating roofs (i.e., spraying, painting, or coating) and installing skylights. The work performed may include new work, additions, alterations, maintenance, and repairs.

• Exclusion(s):

  Establishments primarily engaged in:

  • installing roof trusses and sheathing attached to trusses (See 23813 Framing Contractors)
  • installing downspouts, gutters, fascia, and soffits (See 23817 Siding Contractors)

23817 - Siding Contractors^US

This industry comprises establishments primarily engaged in installing siding of wood, aluminium, vinyl or other exterior finish material (except brick, stone, stucco, or curtain wall). This industry also includes establishments installing eavestroughs, gutters and downspouts. The work performed may include new work, additions, alterations, maintenance, and repairs.

• Exclusion(s):

  Establishments primarily engaged in:

  • installing brick, stone, or stucco building exterior finish materials (See 23814 Masonry Contractors)
  • installing curtain wall (See 23819 Other Foundation, Structure and Building Exterior Contractors)
  • installing sheet metal duct work (See 23822 Plumbing, Heating and Air-Conditioning Contractors)

23819 - Other Foundation, Structure and Building Exterior Contractors^US

This industry comprises establishments, not classified to any other industry, primarily engaged in foundation, structure and building exterior trades work. The work performed may include new work, additions, alterations, maintenance, and repairs.

• Exclusion(s):

  Establishments primarily engaged in:

  • poured concrete foundation and structure work (See 23811 Poured Concrete Foundation and Structure Contractors)
  • erecting and assembling structural parts made from steel or precast concrete (See 23812 Structural Steel and Precast Concrete Contractors)
  • framing buildings (See 23813 Framing Contractors)
  • masonry work (See 23814 Masonry Contractors)
  • glass and glazing work (See 23815 Glass and Glazing Contractors)
  • installing or repairing roofs (See 23816 Roofing Contractors)
  • installing siding (See 23817 Siding Contractors)