311211

Flour Milling

Manufacturing › Food Manufacturing › Grain and Oilseed Milling

SBA Size Standard

1,050 employees

Employee-Based Verify at SBA.gov →

NAICS Code Hierarchy

31

Sector

Manufacturing

311

Subsector

Food Manufacturing

3112

Industry Group

Grain and Oilseed Milling

311211

National Industry (This Code)

Flour Milling

Official NAICS Description

Source: U.S. Census Bureau 2022 NAICS

📘 Source: U.S. Census Bureau — 2022 NAICS Manual
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.

✓ Small Business Eligibility at a Glance

Based on SBA Table of Small Business Size Standards (2024)

Size Standard

1,050 employees

Measurement Period

Current count

Standard Type

Employee-Based

Applies To

All contracts under NAICS 311211

Set-Aside Programs

8(a), WOSB, HUBZone, SDVOSB

Certification Required

No (self-certify in SAM.gov)

Size standards are set by the SBA and reviewed periodically. Always verify at SBA.gov before bidding.

Cross-References

The following activities are classified elsewhere in the NAICS system:

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.

How to Use NAICS 311211 in SAM.gov

NAICS code 311211Flour Milling — is used in SAM.gov to identify businesses whose primary activity falls within this classification. When you add this code to your SAM.gov entity registration, contracting officers searching for vendors in the Grain and Oilseed Milling space will be able to find your business.

If this code represents your primary business activity, designate it as your primary NAICS code. Your primary NAICS code determines your size standard for any contract solicited under this code. With a size standard of 1,050 employees, your business must be at or below this threshold to qualify as a small business for set-aside contracts under NAICS 311211.

Log in Entity Registration Goods & Services Add NAICS Code Enter 311211 Save

Frequently Asked Questions

What is NAICS code 311211?

NAICS code 311211 is 'Flour Milling', classified under the Manufacturing sector (NAICS 31). 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. Cross-

What is the SBA small business size standard for NAICS code 311211?

The SBA defines a small business under NAICS code 311211 (Flour Milling) as one with 1,050 employees. This size standard determines eligibility for small business set-aside contracts, 8(a), HUBZone, WOSB, and SDVOSB programs in SAM.gov.

How do I register NAICS code 311211 in SAM.gov?

To register NAICS code 311211 in SAM.gov: (1) Log in at sam.gov, (2) Navigate to your Entity Registration, (3) Go to the Assertions section, (4) Add 311211 (Flour Milling) to your NAICS code list. You may designate one code as your Primary NAICS code.

Quick Actions

Related NAICS Codes

Other codes in Grain and Oilseed Milling

Related PSC Codes

PSC codes commonly used with this NAICS sector

Source: GSA PSC Manual April 2025

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