311211 Flour Milling

Official definition

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.

Source: US Census Bureau, 2022 NAICS descriptions.

When to use a different code

Census classifies these close-sounding activities somewhere else. Businesses mainly engaged in:

• 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.
• Crushing soybeans and extracting soybean oil are classified in U.S. Industry 311224, Soybean and Other Oilseed Processing.

Source: US Census Bureau, 2022 NAICS cross-references.

Activities listed under 311211

The Census index assigns these 34 activities to this code. If your business matches one, this is your code.

• Barley flour manufacturing
• Batters, prepared, made in flour mills
• Blended flour made in flour mills
• Brewers' and distillers' flakes and grits, corn, manufacturing
• Buckwheat flour manufacturing
• Bulgur (flour) manufacturing
• Cereal grain flour manufacturing
• Cereal grain germ manufacturing
• Corn flour manufacturing
• Corn meal made in flour mills
• Doughs, prepared, made in flour mills
• Durum flour manufacturing
• Farina (except breakfast food) made in flour mills
• Flour mills, cereals grains (except breakfast cereals, rice)
• Flour mixes made in flour mills
• Flour, blended, prepared, or self-rising (except rice), made in flour mills
• Fruit flour, meal, and powders, manufacturing
• Graham flour manufacturing
• Grain mills (except animal feed, breakfast cereal, rice)
• Grits and flakes, corn brewer's, manufacturing
• Hominy grits (except breakfast food), manufacturing
• Meal, corn, for human consumption made in flour mills
• Mixes, flour (e.g., biscuit, cake, doughnut, pancake) made in flour mills
• Oat flour manufacturing
• Potato flour manufacturing
• Prepared flour mixes made in flour mills
• Rye flour manufacturing
• Semolina flour manufacturing
• Sorghum flour manufacturing
• Vegetable flour manufacturing
• Vegetable flour, meal, and powders, made in flour mills
• Wheat bran manufacturing
• Wheat flour manufacturing
• Wheat germ manufacturing

Source: US Census Bureau, 2022 NAICS index file.

SBA size standard for 311211

To count as a small business for SBA loans and federal contracts under NAICS 311211, your business (including affiliates) must not exceed 1,050 employees. Check your business.

Source: SBA table of size standards, effective March 17, 2023.

Closest UK SIC 2007 codes

There is no official one-to-one link between NAICS and UK SIC. These codes share the same international class (ISIC Rev. 4: 1030, 1061), so treat them as a starting point and check the definition.

• 10611Grain millingUK SIC
• 10612Manufacture of breakfast cereals and cereals-based foodUK SIC

Built from Census concordances 2022→2017 NAICS and 2017 NAICS→ISIC Rev. 4.

Similar codes to compare

• 311212Rice Milling
• 311213Malt Manufacturing