327320

Ready-Mix Concrete Manufacturing

Manufacturing › Nonmetallic Mineral Product Manufacturing › Cement and Concrete Product Manufacturing

SBA Size Standard

500 employees

Employee-Based Verify at SBA.gov →

NAICS Code Hierarchy

32

Sector

Manufacturing

327

Subsector

Nonmetallic Mineral Product Manufacturing

3273

Industry Group

Cement and Concrete Product Manufacturing

327320

National Industry (This Code)

Ready-Mix Concrete Manufacturing

Official NAICS Description

Source: U.S. Census Bureau 2022 NAICS

📘 Source: U.S. Census Bureau — 2022 NAICS Manual
This industry comprises establishments, such as batch plants or mix plants, primarily engaged in manufacturing concrete delivered to a purchaser in a plastic and unhardened state. Ready-mix concrete manufacturing establishments may mine, quarry, or purchase sand and gravel.

✓ Small Business Eligibility at a Glance

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

Size Standard

500 employees

Measurement Period

Current count

Standard Type

Employee-Based

Applies To

All contracts under NAICS 327320

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:

Operating sand or gravel pits--are classified in U.S. Industry 212321, Construction Sand and Gravel Mining; and
Manufacturing dry mix concrete--are classified in U.S. Industry 327999, All Other Miscellaneous Nonmetallic Mineral Product Manufacturing.

How to Use NAICS 327320 in SAM.gov

NAICS code 327320Ready-Mix Concrete Manufacturing — 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 Cement and Concrete Product Manufacturing 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 500 employees, your business must be at or below this threshold to qualify as a small business for set-aside contracts under NAICS 327320.

Log in Entity Registration Goods & Services Add NAICS Code Enter 327320 Save

Frequently Asked Questions

What is NAICS code 327320?

NAICS code 327320 is 'Ready-Mix Concrete Manufacturing', classified under the Manufacturing sector (NAICS 32). This industry comprises establishments, such as batch plants or mix plants, primarily engaged in manufacturing concrete delivered to a purchaser in a plastic and unhardened state. Ready-mix concrete

What is the SBA small business size standard for NAICS code 327320?

The SBA defines a small business under NAICS code 327320 (Ready-Mix Concrete Manufacturing) as one with 500 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 327320 in SAM.gov?

To register NAICS code 327320 in SAM.gov: (1) Log in at sam.gov, (2) Navigate to your Entity Registration, (3) Go to the Assertions section, (4) Add 327320 (Ready-Mix Concrete Manufacturing) to your NAICS code list. You may designate one code as your Primary NAICS code.

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Related NAICS Codes

Other codes in Cement and Concrete Product Manufacturing

Related PSC Codes

PSC codes commonly used with this NAICS sector

Source: GSA PSC Manual April 2025

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