All Other Miscellaneous Nonmetallic Mineral Product Manufacturing
Official NAICS Description
Source: U.S. Census Bureau 2022 NAICS
📘 Source: U.S. Census Bureau — 2022 NAICS Manual
This U.S. industry comprises establishments primarily engaged in manufacturing nonmetallic mineral products (except pottery, ceramics, and plumbing fixtures; clay building materials and refractories; glass and glass products; cement; ready-mix concrete; concrete products; lime; gypsum products; abrasive products; cut stone and stone products; ground and treated minerals and earth; and mineral wool).
Illustrative Examples:
Dry mix concrete manufacturing
Mica products manufacturing
Manmade and engineered proppants (e.g., resin-coated sand, ceramic materials) manufacturing
Stucco and stucco products manufacturing
Synthetic stones, for gem stones and industrial use, manufacturing
✓ Small Business Eligibility at a Glance
Based on SBA Table of Small Business Size Standards (2024)
Size Standard
750 employees
Measurement Period
Current count
Standard Type
Employee-Based
Applies To
All contracts under NAICS 327999
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:
→Manufacturing pottery, ceramics, and plumbing fixtures--are classified in Industry 327110, Pottery, Ceramics, and Plumbing Fixture Manufacturing;
→Manufacturing clay building materials and refractories--are classified in Industry 327120, Clay Building Material and Refractories Manufacturing;
→Manufacturing glass and glass products--are classified in Industry 32721, Glass and Glass Product Manufacturing;
→Manufacturing cement--are classified in Industry 327310, Cement Manufacturing;
→Mixing and delivering ready-mix concrete--are classified in Industry 327320, Ready-Mix Concrete Manufacturing;
→Manufacturing concrete pipe, brick, and block--are classified in Industry 32733, Concrete Pipe, Brick, and Block Manufacturing;
→Manufacturing concrete products (except pipe, brick, and block)--are classified in Industry 327390, Other Concrete Product Manufacturing;
→Manufacturing lime--are classified in Industry 327410, Lime Manufacturing;
→Manufacturing gypsum products--are classified in Industry 327420, Gypsum Product Manufacturing;
→Manufacturing abrasives and abrasive products--are classified in Industry 327910, Abrasive Product Manufacturing;
→Manufacturing cut stone and stone products--are classified in U.S. Industry 327991, Cut Stone and Stone Product Manufacturing;
→Manufacturing ground and treated minerals and earth (i.e., not at the mine site)--are classified in U.S. Industry 327992, Ground or Treated Mineral and Earth Manufacturing; and
→Manufacturing mineral wool and fiberglass insulation products--are classified in U.S. Industry 327993, Mineral Wool Manufacturing.
How to Use NAICS 327999 in SAM.gov
NAICS code 327999 — All Other Miscellaneous Nonmetallic Mineral 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 750 employees, your business must be at or below this threshold to qualify as a small business for set-aside contracts under NAICS 327999.
NAICS code 327999 is 'All Other Miscellaneous Nonmetallic Mineral Product Manufacturing', classified under the Manufacturing sector (NAICS 32). This U.S. industry comprises establishments primarily engaged in manufacturing nonmetallic mineral products (except pottery, ceramics, and plumbing fixtures; clay building materials and refractories;
What is the SBA small business size standard for NAICS code 327999?
The SBA defines a small business under NAICS code 327999 (All Other Miscellaneous Nonmetallic Mineral Product Manufacturing) as one with 750 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 327999 in SAM.gov?
To register NAICS code 327999 in SAM.gov: (1) Log in at sam.gov, (2) Navigate to your Entity Registration, (3) Go to the Assertions section, (4) Add 327999 (All Other Miscellaneous Nonmetallic Mineral Product Manufacturing) to your NAICS code list. You may designate one code as your Primary NAICS code.