Manufacturing › Nonmetallic Mineral Product Manufacturing › Other Nonmetallic Mineral Product Manufacturing
Sector
Manufacturing
Subsector
Nonmetallic Mineral Product Manufacturing
Industry Group
Other Nonmetallic Mineral Product Manufacturing
National Industry (This Code)
Cut Stone and Stone Product 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 327991
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 327991 — Cut Stone and Stone Product 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 Other Nonmetallic Mineral 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 327991.
NAICS code 327991 is 'Cut Stone and Stone Product Manufacturing', classified under the Manufacturing sector (NAICS 32). This U.S. industry comprises establishments primarily engaged in cutting, shaping, and finishing granite, marble, limestone, slate, and other stone for building and miscellaneous uses. Stone product
The SBA defines a small business under NAICS code 327991 (Cut Stone and Stone Product 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 327991 in SAM.gov: (1) Log in at sam.gov, (2) Navigate to your Entity Registration, (3) Go to the Assertions section, (4) Add 327991 (Cut Stone and Stone Product Manufacturing) to your NAICS code list. You may designate one code as your Primary NAICS code.
Other codes in Other Nonmetallic Mineral Product Manufacturing
PSC codes commonly used with this NAICS sector
Source: GSA PSC Manual April 2025
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