311221 - Wet Corn Milling and Starch Manufacturing

Introduction

NAICS code 311221, titled Wet Corn Milling and Starch Manufacturing, represents a vital segment of the U.S. manufacturing sector. This industry plays a crucial role in transforming raw corn into a variety of essential products used across food, industrial, and biofuel applications. Whether you're a contractor, supplier, or entrepreneur targeting government or private sector opportunities, understanding this NAICS code is key to navigating this specialized market.

What is NAICS Code 311221?

NAICS 311221 covers establishments primarily engaged in the wet milling of corn to produce starch, glucose syrup, corn oil, and other corn-derived products. This complex process involves steeping whole corn kernels, grinding them, and then separating their components to extract valuable ingredients. These products serve diverse industries, including food manufacturing, pharmaceuticals, and renewable energy.

Sector Focus: Manufacturing

This NAICS code falls under the Manufacturing sector, which includes industries engaged in the physical or chemical transformation of materials into new products. Wet corn milling and starch manufacturing is a specialized branch focused on agricultural raw materials.

Typical Business Activities Under NAICS 311221

Businesses classified under NAICS 311221 often operate facilities such as:

• Corn starch production plants
• Glucose syrup manufacturing facilities
• Corn oil extraction plants

These businesses are involved in the production of various corn-derived products used both as ingredients and standalone products.

Size Standards and Eligibility

The SBA size standard for NAICS code 311221 is typically based on number of employees, where businesses with up to 1,300 employees are generally considered small entities eligible for certain government programs and contracts. This threshold helps define eligibility for small business set-asides and other government contracting advantages.

Examples of Businesses Under NAICS 311221

• Cargill Corn Milling Division – Specializes in corn oil and starch manufacturing.
• Archer Daniels Midland (ADM) – Extensive wet corn milling operations producing HFCS and starch.
• Ingredion Incorporated – Produces starches and sweeteners derived from corn.

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Detailed Code Activities Table

Activity Description	Included in NAICS 311221?
Corn dextrin manufacturing	Yes
Corn gluten feed manufacturing	Yes
Corn gluten meal manufacturing	Yes
Corn oil cake and meal manufacturing	Yes
Corn oil mills	Yes
Corn oil, crude and refined, made by wet milling corn	Yes
Corn starch manufacturing	Yes
Corn sweeteners (e.g., dextrose, fructose, glucose)	Yes
Crude corn oil manufacturing	Yes
Dextrin made by wet milling corn	Yes
Gluten feed, flour, and meal, made by wet milling corn	Yes
Gluten manufacturing	Yes
HFCS (high fructose corn syrup) manufacturing	Yes
High fructose corn syrup (HFCS) manufacturing	Yes
Maltodextrins manufacturing	Yes
Margarine and other corn oils made by wet milling corn	Yes
Oil, corn crude and refined, made by wet milling corn	Yes
Potato starches manufacturing	Included (related vegetable starch)
Rice starches manufacturing	Included (related vegetable starch)
Root starches manufacturing	Included (related vegetable starch)
Starches (except laundry) manufacturing	Yes
Steepwater concentrate manufacturing	Yes
Sugar made by wet milling corn	Yes
Syrup, corn, made by wet milling	Yes
Table oil, corn, made by wet milling	Yes
Tapioca manufacturing	Included (related vegetable starch)
Vegetable starches manufacturing	Included
Wet milling corn and other vegetables	Yes

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Frequently Asked Questions (FAQs)

What kinds of products are produced under NAICS 311221?

The industry produces products such as corn starch, glucose syrup, corn oil (both crude and refined), high fructose corn syrup (HFCS), dextrins, and various other corn-derived starches and sweeteners.

What manufacturing process is typical for NAICS 311221?

The wet milling process—which entails soaking corn kernels (steeping), grinding, and separating components like starch, gluten, and fiber—is fundamental to this industry.

Which industries use products manufactured by this NAICS code?

Corn-derived starches and sweeteners are widely used in food and beverage production, pharmaceuticals, textiles, paper manufacturing, and biofuels.

What is the importance of wet corn milling in the manufacturing sector?

It adds value to raw corn by producing versatile ingredients essential for industrial manufacturing and consumer products, thus supporting the agricultural and manufacturing supply chains.

What is the employee size standard for NAICS 311221?

Businesses with up to 1,300 employees are typically considered small businesses within this classification, depending on specific government programs.

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Conclusion

NAICS code 311221, Wet Corn Milling and Starch Manufacturing, represents a highly specialized and crucial sector within manufacturing. From wet milling corn to producing diverse products like starches, sweeteners, and oils, businesses in this domain are critical contributors to the supply chain for food, industrial, and biofuel markets. Whether you're entering this sector or seeking contract opportunities, familiarity with this NAICS code informs strategic business decisions and eligibility considerations.

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Keywords: NAICS 311221, Wet Corn Milling, Starch Manufacturing, Corn Starch Production, Glucose Syrup Manufacturing, Corn Oil Extraction, High Fructose Corn Syrup, Manufacturing Sector, SBA Small Business Size Standard, Corn-Derived Products.