2022 NAICS national industry in sector 23 Construction
238190 Other Foundation, Structure, and Building Exterior Contractors
NAICS 238190 is the US industry code for other foundation, structure, and building exterior contractors. It covers establishments primarily engaged in building foundation and structure trades work (except poured concrete, structural steel, precast concrete, framing, masonry, glass and glazing, roofing, and siding).
- Code
- 238190 (2022 NAICS)
- Title
- Other Foundation, Structure, and Building Exterior Contractors
- Part of
- Foundation, Structure, and Building Exterior Contractors
- SBA small business limit
- Average annual receipts up to $19 million
- Closest UK SIC
- 43910, 43991, 43999 (details)
Changes coming. The NAICS 2027 revision applies to data from 1 January 2027, and SBA proposed new size standards on 20 August 2026. The values on this page are the ones in force today; we update this page when the official files change.
Official definition
This industry comprises establishments primarily engaged in building foundation and structure trades work (except poured concrete, structural steel, precast concrete, framing, masonry, glass and glazing, roofing, and siding). The work performed may include new work, additions, alterations, maintenance, and repairs.
Examples Census gives
- Curtain wall, metal, installation
- Forms for poured concrete, erecting and dismantling
- Welding, on-site, contractors
- Ornamental metal work installation
- Fire escape installation
- Decorative steel and wrought iron work installation
When to use a different code
Census classifies these close-sounding activities somewhere else. Businesses mainly engaged in:
- Poured concrete foundation and structure work are classified in Industry 238110, Poured Concrete Foundation and Structure Contractors.
- Installation of structural steel or precast concrete building components are classified in Industry 238120, Structural Steel and Precast Concrete Contractors.
- Framing buildings are classified in Industry 238130, Framing Contractors.
- Masonry work are classified in Industry 238140, Masonry Contractors.
- Glass and glazing work are classified in Industry 238150, Glass and Glazing Contractors.
- Installing or repairing roofs are classified in Industry 238160, Roofing Contractors.
- Installing siding are classified in Industry 238170, Siding Contractors.
- Fireproofing buildings are classified in Industry 238310, Drywall and Insulation Contractors.
Activities listed under 238190
The Census index assigns these 21 activities to this code. If your business matches one, this is your code.
- Awning installation
- Balcony, metal, installation
- Cathodic protection, installation
- Concrete form contractors
- Curtain wall, metal, installation
- Deck and grate (except roof), metal, installation
- Decorative steel and wrought iron work installation
- Epoxy application contractors
- Erection and dismantling, poured concrete form
- Falsework construction
- Fire escape installation
- Forming contractor
- Forms for poured concrete, erecting and dismantling
- Metal furring contractors
- Ornamental metal work installation
- Shutter installation
- Stairway, metal, installation
- Storefront, metal or metal frame, installation
- Urethane slabjacking contractors
- Urethane soil stabilization contractors
- Welding, on-site, contractors
SBA size standard for 238190
To count as a small business for SBA loans and federal contracts under NAICS 238190, your business (including affiliates) must not exceed $19 million in average annual receipts. Check your business.
Source: SBA table of size standards, effective March 17, 2023.
Closest UK SIC 2007 codes
There is no official one-to-one link between NAICS and UK SIC. These codes share the same international class (ISIC Rev. 4: 4390), so treat them as a starting point and check the definition.
- 43910Roofing activitiesUK SIC
- 43991Scaffold erectionUK SIC
- 43999Other specialised construction activities n.e.c.UK SIC
Built from Census concordances 2022→2017 NAICS and 2017 NAICS→ISIC Rev. 4.
Similar codes to compare
Data last changed November 14, 2026. How this page is built.