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) (as defined in the official U.S. Census Bureau 2022 NAICS Manual).
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
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)
Suggested Product Service Codes (Advisory)
The following Product Service Codes (PSCs) are advisory suggestions aligned with this NAICS code. Note: NAICS and PSC codes map to different dimensions of procurement (industry vs. product/service). There is no official binding 1:1 crosswalk.
- PSC 3630 — Clay and Concrete Products Industries Machinery
- PSC 5610 — Mineral Construction Materials, Bulk
- PSC 9390 — Miscellaneous Fabricated Nonmetallic Materials
- PSC J096 — Maintenance, Repair and Rebuilding of Equipment: Ores, Minerals, and Their Primary Products
Source: DoD DPCAP PSC Selection Tool (Ingested: 2026-06-29)
Frequently Asked Questions (FAQ)
Is NAICS code 327999 valid in 2022? ▾
Yes, 327999 is a valid 6-digit 2022 NAICS national industry code representing 'All Other Miscellaneous Nonmetallic Mineral Product Manufacturing' under Sector 31-33 in the official classification index.
What is the SBA size standard for NAICS code 327999? ▾
The Small Business Administration (SBA) has established a small business size standard of 750 employees for NAICS code 327999 (All Other Miscellaneous Nonmetallic Mineral Product Manufacturing), calculated based on employees.
What is the legacy SIC equivalent for NAICS 327999? ▾
According to official Census Bureau concordance tables, NAICS code 327999 (All Other Miscellaneous Nonmetallic Mineral Product Manufacturing) maps to legacy 1987 Standard Industrial Classification (SIC) codes: 3272 - Concrete Products, Except Block and Brick, 3292 - Asbestos Products, 3299 - Nonmetallic Mineral Products, NEC.
Related Pages & Tools
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.
- NAICS 327999 to SIC Crosswalk — Bidirectional mapping to legacy SIC codes (All Other Miscellaneous Nonmetallic Mineral Product Manufacturing).
- 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.