NAICS Code 311211 — Flour Milling

National Industry in the official 2022 North American Industry Classification System (U.S. Census Bureau). It is one of 3 national industries under 31121 (Flour Milling and Malt Manufacturing).

Code	311211
Title	Flour Milling
Level	National Industry (6-digit)
Edition	NAICS 2022 edition
SBA size standard	1,050 employees

Official definition (2022 NAICS)

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.

Is a business under 311211 "small"?

Under the SBA size standards (13 CFR 121.201, effective March 17, 2023), a business classified in NAICS 311211 qualifies as a small business if it does not exceed 1,050 employees. Small-business status determines eligibility for federal set-aside contracts, SAM.gov certifications and SBA loan programs — employee count is averaged over the latest 24 months.

Where 311211 sits in the hierarchy

Level	Code	Title
Sector	31-33	Manufacturing
Subsector	311	Food Manufacturing
Industry Group	3112	Grain and Oilseed Milling
NAICS Industry	31121	Flour Milling and Malt Manufacturing
National Industry	311211	Flour Milling

Related SIC codes

Via the official U.S. Census concordance (1987 SIC ↔ NAICS), shown only where the industry definition is unchanged in NAICS 2022.

SIC code	Title
2034	Dried and Dehydrated Fruits, Vegetables, and Soup Mixes
2041	Flour and Other Grain Mill Products

Related National Industry codes

• 311212 — Rice Milling
• 311213 — Malt Manufacturing

Data: official 2022 NAICS structure, descriptions and Census concordances, U.S. Census Bureau — U.S. government works in the public domain (17 U.S.C. §105). Suggested reference, not an official determination.