North American Industry Classification System (NAICS) Canada 2012
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.
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.
23813 - Framing contractorsUS
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.
23814 - Masonry contractorsUS
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.
23815 - Glass and glazing contractorsUS
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.
23816 - Roofing contractorsUS
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.
23817 - Siding contractorsUS
This industry comprises establishments primarily engaged in installing siding of wood, aluminum, 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.
23819 - Other foundation, structure and building exterior contractorsUS
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.
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