321992 — Prefabricated Wood Building Manufacturing
Description
This U.S. industry comprises establishments primarily engaged in manufacturing prefabricated wood buildings and wood sections and panels for prefabricated wood buildings.
Exclusions & Cross-References
- Fabricating wood buildings or wood sections and panels for buildings at the construction site--are classified
- in Sector 23, Construction;
- Making manufactured homes (i.e., mobile homes)--are classified in U.S. Industry 321991, Manufactured
- Home (Mobile Home) Manufacturing; and
- Setting up manufactured homes (i.e., mobile homes) at the construction site--are classified in Industry
- 238990, All Other Specialty Trade Contractors.
Overview Facts
| NAICS Code | 321992 |
|---|---|
| Industry Title | Prefabricated Wood Building Manufacturing |
| SBA Size Standard | 500 employees |
| U.S. Establishments | 768 (Census CBP, 2023) |
| IRS PBA Code | 321900 (rolled-up match) |
| Sectors Hierarchy | Sector 31-33 → 321 → 3219 |
| Source / Verified | US Census 2022 NAICS Manual, Census CBP / 2026-06-28 |
Legacy SIC Concordance
Trace the historical mapping chain from the 1987 Standard Industrial Classification (SIC) to the modern 2022 NAICS code format.
- SIC 2452 - Prefabricated Wood Buildings and Components (via SIC1987:2452→NAICS1997:321992→2002:321992→2007:321992→2012:321992→2017:321992→2022:321992)
Suggested Product Service Codes (Advisory)
The following Product Service Codes (PSCs) are advisory suggestions aligned with this NAICS code. Note: NAICS and PSC codes map to different dimensions of procurement (industry vs. product/service). There is no official binding 1:1 crosswalk.
- PSC 3220 — Woodworking Machines
Source: DoD DPCAP PSC Selection Tool (Ingested: 2026-06-29)
Related Resources & Compliance Guides
Further regulatory reference links for NAICS code 321992:
- 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
Frequently Asked Questions (FAQ)
Is 321992 a valid 2022 NAICS code?
NAICS 321992 is 'Prefabricated Wood Building Manufacturing', a 2022 U.S. national industry under Sector 31-33 (Manufacturing); the SBA small-business size standard is 500 employees.
What is the SBA size standard for NAICS 321992?
The SBA small business size standard for NAICS 321992 is 500 employees (based on employees).
What is the legacy SIC code mapping for 321992?
NAICS code 321992 maps to the legacy 1987 SIC codes: 2452 - Prefabricated Wood Buildings and Components.