327999 — All Other Miscellaneous Nonmetallic Mineral Product Manufacturing
Description
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
Exclusions & Cross-References
- 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
Overview Facts
| NAICS Code | 327999 |
|---|---|
| Industry Title | All Other Miscellaneous Nonmetallic Mineral Product Manufacturing |
| SBA Size Standard | 750 employees |
| IRS PBA Code | 327900 (rolled-up match) |
| Sectors Hierarchy | Sector 31-33 → 327 → 3279 |
| Source / Verified | US Census 2022 NAICS Manual / 2026-06-28 |
Legacy SIC Concordance
Trace the historical mapping chain from the 1987 Standard Industrial Classification (SIC) to the modern 2022 NAICS code format.
- SIC 3272 - Concrete Products, Except Block and Brick (via SIC1987:3272→NAICS1997:327999→2002:327999→2007:327999→2012:327999→2017:327999→2022:327999)
- SIC 3292 - Asbestos Products (via SIC1987:3292→NAICS1997:327999→2002:327999→2007:327999→2012:327999→2017:327999→2022:327999)
- SIC 3299 - Nonmetallic Mineral Products, NEC (via SIC1987:3299→NAICS1997:327999→2002:327999→2007:327999→2012:327999→2017:327999→2022:327999)
Related Resources & Compliance Guides
Further regulatory reference links for NAICS code 327999:
- Sector 31-33 Directory Hub — List of related industries in the Manufacturing sector.
- SIC ↔ NAICS Crosswalk Tool — Look up mappings between legacy SIC codes and modern classifications.
- SBA Size Standards Guide — Complete rules and averaging periods for small business classifications.
- Calculating Annual Receipts Guide — Detailed worked example of revenue calculation rules.
- IRS Principal Business Activity Guide — How NAICS codes map to corporate and entity tax filings.
Related Industries in 3279
Frequently Asked Questions (FAQ)
Is 327999 a valid 2022 NAICS code?
NAICS 327999 is 'All Other Miscellaneous Nonmetallic Mineral Product Manufacturing', a 2022 U.S. national industry under Sector 31-33 (Manufacturing); the SBA small-business size standard is 750 employees.
What is the SBA size standard for NAICS 327999?
The SBA small business size standard for NAICS 327999 is 750 employees (based on employees).
What is the legacy SIC code mapping for 327999?
NAICS code 327999 maps to the legacy 1987 SIC codes: 3272 - Concrete Products, Except Block and Brick, 3292 - Asbestos Products, 3299 - Nonmetallic Mineral Products, NEC.