NAICS 2022 industry USA Verified: Census NAICS 2022 · 2026-01-01
31121
NAICS 31121 — Flour Milling and Malt Manufacturing
Flour Milling and Malt Manufacturing
NAICS 31121 is the NAICS industry code for flour milling and malt manufacturing establishments in the United States. It forms part of the hierarchical North American Industry Classification System maintained by the Census Bureau.
Child industry codes in 31121 (3)
Exclusions & Cross-References
Activities classified under other official NAICS codes:
- brewing malt beverages (See 312120 Breweries)
- crushing oilseeds or wet-milling corn (See 31122 Starch and vegetable fat and oil manufacturing)
- manufacturing prepared flour mixes or doughs from purchased flour (See 31182 Cookie, cracker and pasta manufacturing)
- milling grain to make animal feed (See 31111 Animal food manufacturing)
- milling grain to make breakfast cereals (See 31123 Breakfast cereal manufacturing)
- mixing purchased rice with other dried ingredients (See 311990 All other food manufacturing (CAN))
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/ |
NAICS hierarchy path
Trace the classification from the broadest sector down to this national industry code.