U.S. number of construction SMBs, by NAICS category 2020
As of 2020, there were 473,108 small and medium sized specialty trade contractor businesses. Businesses in this category consist of foundation, structure, building exterior, structural steel and precast concrete, poured concrete foundation, framing, masonry, siding, glass and glazing, roofing, building equipment, electrical and wiring, plumbing, heating and air conditioning, finish carpentry, tiling, flooring, painting and wall covering, drywall and insulation contractors and other contractors.
