NAICS 111940 — Hay Farming

Hay Farming

NAICS 111940 is the national industry code for hay farming establishments in the United States. The Small Business Administration sets a size standard of $2.5 for this classification. It forms part of the hierarchical North American Industry Classification System maintained by the Census Bureau.

SBA: $2.5 View full SBA standard

Exclusions & Cross-References

Activities classified under other official NAICS codes:

farming corn for grain (See 111150 Corn farming (US))
growing grain hay or forage/silage production (See 1111 Oilseed and grain farming)
growing grass and hay seeds (See 111999 All other miscellaneous crop farming (CAN))

Official Illustrative Examples

Primary activities officially recognized by Census Bureau / Statistics Canada:

alfalfa, clover, hay or timothy farming forage crops (except corn for grain) farming

Complete Index of Activities (3 recognized activities) ▼

alfalfa, clover, hay or timothy farming

forage crops (except corn for grain) farming

hay farming

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/