NAICS 321991 — Manufactured Home (Mobile Home) Manufacturing

Manufactured Home (Mobile Home) Manufacturing

NAICS 321991 is the national industry code for manufactured home (mobile home) manufacturing establishments in the United States. The Small Business Administration sets a size standard of 1,250 for this classification. It forms part of the hierarchical North American Industry Classification System maintained by the Census Bureau.

SBA: 1,250 View full SBA standard

Related industries in 32199 (All Other Wood Product Manufacturing)

View parent 32199

321992

Prefabricated Wood Building Manufacturing

321999

All Other Miscellaneous Wood Product Manufacturing

Exclusions & Cross-References

Activities classified under other official NAICS codes:

manufacturing motor homes or recreational travel trailers (See 336215 Motor home, travel trailer and camper manufacturing (CAN))

Official Illustrative Examples

Primary activities officially recognized by Census Bureau / Statistics Canada:

non-residential building, manufacturing

Complete Index of Activities (5 recognized activities) ▼

bunk houses, mobile, manufacturing

houses, manufactured or prefabricated mobile homes, manufacturing

manufacturing portable wooden structure built on a chassis equipped with wheels

manufacturing re-locatable buildings made of wood, on wheels

non-residential building, 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/