311211 — Flour Milling
Description
This U.S. industry comprises establishments primarily engaged in (1) milling flour or meal from grains (except rice) or vegetables and/or (2) milling flour and preparing flour mixes or doughs.
Exclusions & Cross-References
- Preparing breakfast cereals from flour milled in the same establishment--are classified in Industry 311230,
- Breakfast Cereal Manufacturing;
- Manufacturing prepared flour mixes or doughs from flour ground elsewhere--are classified in U.S. Industry
- 311824, Dry Pasta, Dough, and Flour Mixes Manufacturing from Purchased Flour;
- Milling rice or cleaning and polishing rice--are classified in U.S. Industry 311212, Rice Milling;
- Wet milling corn and vegetables--are classified in U.S. Industry 311221, Wet Corn Milling and Starch
- Manufacturing; and
- Crushing soybeans and extracting soybean oil--are classified in U.S. Industry 311224, Soybean and Other
- Oilseed Processing.
Overview Facts
| NAICS Code | 311211 |
|---|---|
| Industry Title | Flour Milling |
| SBA Size Standard | 1,050 employees |
| IRS PBA Code | 311200 (rolled-up match) |
| Sectors Hierarchy | Sector 31-33 → 311 → 3112 |
| Source / Verified | US Census 2022 NAICS Manual / 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 2034 - Dried and Dehydrated Fruits, Vegetables and Soup Mixes (via SIC1987:2034→NAICS1997:311211→2002:311211→2007:311211→2012:311211→2017:311211→2022:311211)
- SIC 2041 - Flour and Other Grain Mill Products (via SIC1987:2041→NAICS1997:311211→2002:311211→2007:311211→2012:311211→2017:311211→2022:311211)
Related Resources & Compliance Guides
Further regulatory reference links for NAICS code 311211:
- 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 3112
Frequently Asked Questions (FAQ)
Is 311211 a valid 2022 NAICS code?
NAICS 311211 is 'Flour Milling', a 2022 U.S. national industry under Sector 31-33 (Manufacturing); the SBA small-business size standard is 1,050 employees.
What is the SBA size standard for NAICS 311211?
The SBA small business size standard for NAICS 311211 is 1,050 employees (based on employees).
What is the legacy SIC code mapping for 311211?
NAICS code 311211 maps to the legacy 1987 SIC codes: 2034 - Dried and Dehydrated Fruits, Vegetables and Soup Mixes, 2041 - Flour and Other Grain Mill Products.