NAICS 321992 — Prefabricated Wood Building Manufacturing

Prefabricated Wood Building Manufacturing

NAICS 321992 is the national industry code for prefabricated wood building manufacturing establishments in the United States. The Small Business Administration sets a size standard of 500 for this classification. It forms part of the hierarchical North American Industry Classification System maintained by the Census Bureau.

SBA: 500 View full SBA standard

Related industries in 32199 (All Other Wood Product Manufacturing)

View parent 32199

321991

Manufactured Home (Mobile Home) Manufacturing

321999

All Other Miscellaneous Wood Product Manufacturing

Official Inclusions

buildings that are made away from the construction site, either in sections, complete units, or in components for on-site erection
manufacturing log cabins and log houses

Exclusions & Cross-References

Activities classified under other official NAICS codes:

constructing wood frame buildings on site (See 23 Construction)
manufacturing prefabricated or manufactured mobile homes or houses (See 321991 Manufactured (mobile) home manufacturing (US))

Official Illustrative Examples

Primary activities officially recognized by Census Bureau / Statistics Canada:

buildings, prefabricated or pre-cut, wood frame, manufacturing cottages, prefabricated, wood frame, manufacturing houses, prefabricated (except mobile homes), wood frame, manufacturing log cabins, prefabricated wood, manufacturing modular buildings, prefabricated, wood frame, manufacturing panels for prefabricated wood buildings, manufacturing

Complete Index of Activities (19 recognized activities) ▼

buildings that are made away from the construction site, either in sections, complete units, or in components for on-site erection

buildings, prefabricated or pre-cut, wood frame, manufacturing

chicken coops, prefabricated, wood, manufacturing

corn cribs, prefabricated, wood, manufacturing

cottages, prefabricated, wood frame, manufacturing

farm buildings, prefabricated, wood frame, manufacturing

garages, prefabricated, wood frame, manufacturing

garden sheds, prefabricated, wood, manufacturing

geodesic domes, prefabricated, wood, manufacturing

houses, prefabricated (except mobile homes), wood frame, manufacturing

log cabins, prefabricated wood, manufacturing

manufacturing log cabins and log houses

manufacturing portable wooden structure built on a chassis without wheels

manufacturing re-locatable buildings made of wood, without wheels

modular buildings, prefabricated, wood frame, manufacturing

panels for prefabricated wood buildings, manufacturing

prefabricated wood building manufacturing

sauna rooms, prefabricated, wood, manufacturing

sections, prefabricated wood buildings, manufacturing

Official data

Feature	Description
Official name	North American Industry Classification System (NAICS) 2022
Issuing authority	U.S. Census Bureau with OMB, Statistics Canada, and INEGI
Tax authority	Internal Revenue Service (IRS)
Purpose	Statistical business classification and federal contracting (SAM.gov, SBA standards)
Used in	SAM.gov registration, SBA size determinations, IRS tax classification, SEC EDGAR (via SIC crosswalk)
Active since	2022 (current edition)
Hierarchy level	Sector (2-digit)
Source	https://www.census.gov/naics/