Manufacturing › Nonmetallic Mineral Product Manufacturing › Cement and Concrete Product Manufacturing
Sector
Manufacturing
Subsector
Nonmetallic Mineral Product Manufacturing
Industry Group
Cement and Concrete Product Manufacturing
National Industry (This Code)
Ready-Mix Concrete Manufacturing
Source: U.S. Census Bureau 2022 NAICS
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.
The following activities are classified elsewhere in the NAICS system:
NAICS code 327320 — Ready-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.
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
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.
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.
Other codes in Cement and Concrete Product Manufacturing
PSC codes commonly used with this NAICS sector
Source: GSA PSC Manual April 2025
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