2022 NAICS national industry in sector 23 Construction
238170 Siding Contractors
NAICS 238170 is the US industry code for siding contractors. It covers establishments primarily engaged in installing siding of wood, aluminum, vinyl, or other exterior finish material (except brick, stone, stucco, or curtain wall).
- Code
- 238170 (2022 NAICS)
- Title
- Siding 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 installing siding of wood, aluminum, vinyl, or other exterior finish material (except brick, stone, stucco, or curtain wall). This industry also includes establishments installing gutters and downspouts. The work performed may include new work, additions, alterations, maintenance, and repairs.
Examples Census gives
- Downspout, gutter, and gutter guard installation
- Fascia and soffit installation
- Siding (e.g., vinyl, wood, aluminum) installation
When to use a different code
Census classifies these close-sounding activities somewhere else. Businesses mainly engaged in:
- Installing brick, stone, or stucco building exterior finish materials are classified in Industry 238140, Masonry Contractors.
- Installing curtain wall are classified in Industry 238190, Other Foundation, Structure, and Building Exterior Contractors.
- Installing sheet metal duct work are classified in Industry 238220, Plumbing, Heating, and Air-Conditioning Contractors.
Businesses that use this code
Activities listed under 238170
The Census index assigns these 13 activities to this code. If your business matches one, this is your code.
- Aluminum siding installation
- Downspout, gutter, and gutter guard installation
- Eavestrough installation
- Fascia and soffit installation
- Flashing contractors
- Gutter and downspout contractors
- Gutters, seamless roof, formed and installed on site
- Ice apron, roof, installation
- Metal siding installation
- Siding (e.g., vinyl, wood, aluminum) installation
- Siding contractors
- Vinyl siding, soffit and fascia, installation
- Wood siding, installation
SBA size standard for 238170
To count as a small business for SBA loans and federal contracts under NAICS 238170, 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.