321911 — Wood Window and Door Manufacturing
NAICS 321911 is 'Wood Window and Door Manufacturing', a 2022 U.S. national industry under Sector 31-33 (Manufacturing); the SBA small-business size standard is 1,000 employees.
Description
This U.S. industry comprises establishments primarily engaged in manufacturing window and door units, sash, window and door frames, and doors from wood or wood clad with metal or plastics.
Exclusions & Cross-References
- Establishments primarily engaged in fabricating wood windows or wood doors at the construction site are
- classified in Industry 238350, Finish Carpentry Contractors.
Overview Facts
| NAICS Code | 321911 |
|---|---|
| Industry Title | Wood Window and Door Manufacturing |
| SBA Size Standard | 1,000 employees |
| IRS PBA Code | 321900 (rolled-up match) |
| Sectors Hierarchy | Sector 31-33 → 321 → 3219 |
| Source / Verified | US Census 2022 NAICS Manual / 2026-06-28 |
NAICS Structure: 321911
National Industry
Sector (2)
31-33
Manufacturing
Subsector (3)
321
Wood Product Manufacturing
Industry Group (4)
3219
Other Wood Product Manufacturing
Industry (5)
32191
Millwork
National Industry (6)
321911
Wood Window and Door Manufacturing
Legacy SIC Concordance
Trace the historical mapping chain from the 1987 Standard Industrial Classification (SIC) to the modern 2022 NAICS code format.
- SIC 2431 - Millwork (via SIC1987:2431→NAICS1997:321911→2002:321911→2007:321911→2012:321911→2017:321911→2022:321911)
Related Resources & Compliance Guides
Further regulatory reference links for NAICS code 321911:
- Sector 31-33 Directory Hub — List of related industries in the Manufacturing sector.
- SIC ↔ NAICS Crosswalk Tool — Look up mappings between legacy SIC codes and modern classifications.
- SBA Size Standards Guide — Complete rules and averaging periods for small business classifications.
- Calculating Annual Receipts Guide — Detailed worked example of revenue calculation rules.
- IRS Principal Business Activity Guide — How NAICS codes map to corporate and entity tax filings.
Related Industries in 3219
321912 - Cut Stock, Resawing Lumber, and Planing...321918 - Other Millwork (including Flooring)...321920 - Wood Container and Pallet Manufacturing...321991 - Manufactured Home (Mobile Home) Manufact...321992 - Prefabricated Wood Building Manufacturin...321999 - All Other Miscellaneous Wood Product Man...
Frequently Asked Questions (FAQ)
Is 321911 a valid 2022 NAICS code?
NAICS 321911 is 'Wood Window and Door Manufacturing', a 2022 U.S. national industry under Sector 31-33 (Manufacturing); the SBA small-business size standard is 1,000 employees.
What is the SBA size standard for NAICS 321911?
The SBA small business size standard for NAICS 321911 is 1,000 employees (based on employees).
What is the legacy SIC code mapping for 321911?
NAICS code 321911 maps to the legacy 1987 SIC codes: 2431 - Millwork.