# NAICS 311221: Wet Corn Milling and Starch Manufacturing

Breadcrumb: [NAICS codes](https://bidrover.com/naics) › [311221 Wet Corn Milling and Starch Manufacturing](https://bidrover.com/naics/311221)

This U.S. industry comprises establishments primarily engaged in wet milling corn and other vegetables (except to make ethyl alcohol). Examples of products made in these establishments are corn sweeteners, such as glucose, dextrose, and fructose; corn oil; and starches (except laundry).

- NAICS code: 311221
- Title: Wet Corn Milling and Starch Manufacturing
- Sector: 31-33 Manufacturing
- Subsector: 311 Food Manufacturing
- Industry group: 3112 Grain and Oilseed Milling
- NAICS industry: 31122 Starch and Vegetable Fats and Oils Manufacturing
- SBA size standard: 1,300 employees
- Open bids on BidRover: 0

## Open bids (0)

No open bids cite this code right now.

## Frequently asked questions

### What is NAICS code 311221?

NAICS 311221 is "Wet Corn Milling and Starch Manufacturing" in the 2022 North American Industry Classification System, in sector 31-33 (Manufacturing). This U.S. industry comprises establishments primarily engaged in wet milling corn and other vegetables (except to make ethyl alcohol). Examples of products made in these establishments are corn sweeteners, such as glucose, dextrose, and fructose; corn oil; and starches (except laundry).

### What is the SBA size standard for NAICS 311221?

A business is small under NAICS 311221 at or below 1,300 employees, including affiliates (13 CFR 121.201). Confirm the standard named in each solicitation.

### How many government bids are open under NAICS 311221?

No open bid in BidRover cites NAICS 311221 right now. Many state and local notices do not list a NAICS code, so a keyword alert for this work catches more of them.

### How do I get alerts for NAICS 311221 bids?

Save an alert on this page. A free account gets new matching bids by weekly email; the Team plan ($19/mo) sends daily alerts with match scores, the buyer, source link and documents.

## Related NAICS codes

- [311225 Fats and Oils Refining and Blending](https://bidrover.com/naics/311225)
- [311999 All Other Miscellaneous Food Manufacturing](https://bidrover.com/naics/311999)
- [111998 All Other Miscellaneous Crop Farming](https://bidrover.com/naics/111998)
- [311211 Flour Milling](https://bidrover.com/naics/311211)
- [325193 Ethyl Alcohol Manufacturing](https://bidrover.com/naics/325193)
- [325612 Polish and Other Sanitation Good Manufacturing](https://bidrover.com/naics/325612)
- [311224 Soybean and Other Oilseed Processing](https://bidrover.com/naics/311224)
- [311212 Rice Milling](https://bidrover.com/naics/311212)

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Code titles and definitions: U.S. Census Bureau, North American Industry Classification System (NAICS), 2022 (https://www.census.gov/naics/). Size standards: U.S. Small Business Administration, Small Business Size Standards, 13 CFR 121.201, eCFR text current as of 2026-10-21 (https://www.ecfr.gov/current/title-13/section-121.201).

BidRover lists bids from official public sources. It is not an issuing authority; confirm the NAICS code and size standard named in each solicitation.