2022 NAICS national industry in sector 31-33 Manufacturing
321215 Engineered Wood Member Manufacturing
NAICS 321215 is the US industry code for engineered wood member manufacturing. This U.S.
- Code
- 321215 (2022 NAICS)
- Title
- Engineered Wood Member Manufacturing
- Part of
- Veneer, Plywood, and Engineered Wood Product Manufacturing
- SBA small business limit
- Up to 500 employees
- Closest UK SIC
- 16210, 16220 (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 U.S. industry comprises establishments primarily engaged in manufacturing fabricated or laminated wood arches, wood roof and floor trusses, and/or other fabricated or laminated wood structural members.
Examples Census gives
- Finger joint lumber manufacturing
- I-joists, wood, fabricating
- Laminated veneer lumber (LVL) manufacturing
- Parallel strand lumber manufacturing
- Timbers, structural, glue laminated or pre-engineered wood, manufacturing
- Trusses, wood roof or floor, manufacturing
When to use a different code
Census classifies these close-sounding activities somewhere else. Businesses mainly engaged in:
- Manufacturing prefabricated wood buildings or wood sections and panels for buildings are classified in U.S. Industry 321992, Prefabricated Wood Building Manufacturing.
- Manufacturing solid wood structural members, such as dimension lumber and timber from logs or bolts are classified in U.S. Industry 321113, Sawmills.
Activities listed under 321215
The Census index assigns these 18 activities to this code. If your business matches one, this is your code.
- Arches, glue laminated or pre-engineered wood, manufacturing
- Fabricated structural wood members manufacturing
- Finger joint lumber manufacturing
- Floor trusses, wood, manufacturing
- I-joists, wood, fabricating
- Laminated structural wood members manufacturing
- Laminated veneer lumber (LVL) manufacturing
- Lumber, parallel strand, manufacturing
- LVL (laminated veneer lumber) manufacturing
- Parallel strand lumber manufacturing
- Roof trusses, wood, manufacturing
- Structural members, glue laminated or pre-engineered wood, manufacturing
- Structural wood members, fabricated, manufacturing
- Timbers, structural, glue laminated or pre-engineered wood, manufacturing
- Trusses, glue laminated or pre-engineered wood, manufacturing
- Trusses, wood roof or floor, manufacturing
- Trusses, wood, glue laminated or metal connected, manufacturing
- Wood I-joists manufacturing
SBA size standard for 321215
To count as a small business for SBA loans and federal contracts under NAICS 321215, your business (including affiliates) must not exceed 500 employees. 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: 1621, 1622), so treat them as a starting point and check the definition.
- 16210Manufacture of veneer sheets and wood-based panelsUK SIC
- 16220Manufacture of assembled parquet floorsUK 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.