NAICS Code 327992 — Ground or Treated Mineral and Earth Manufacturing
National Industry in the official 2022 North American Industry Classification System (U.S. Census Bureau). It is one of 4 national industries under 32799 (All Other Nonmetallic Mineral Product Manufacturing).
| Code | 327992 |
|---|---|
| Title | Ground or Treated Mineral and Earth Manufacturing |
| Level | National Industry (6-digit) |
| Edition | NAICS 2022 edition |
| SBA size standard | 600 employees |
Official definition (2022 NAICS)
This U.S. industry comprises establishments primarily engaged in calcining, dead burning, or otherwise processing beyond beneficiation, clays, ceramic and refractory minerals, barite, and miscellaneous nonmetallic minerals.
Cross-References.
Is a business under 327992 "small"?
Under the SBA size standards (13 CFR 121.201, effective March 17, 2023), a business classified in NAICS 327992 qualifies as a small business if it does not exceed 600 employees. Small-business status determines eligibility for federal set-aside contracts, SAM.gov certifications and SBA loan programs — employee count is averaged over the latest 24 months.
Where 327992 sits in the hierarchy
| Level | Code | Title |
|---|---|---|
| Sector | 31-33 | Manufacturing |
| Subsector | 327 | Nonmetallic Mineral Product Manufacturing |
| Industry Group | 3279 | Other Nonmetallic Mineral Product Manufacturing |
| NAICS Industry | 32799 | All Other Nonmetallic Mineral Product Manufacturing |
| National Industry | 327992 | Ground or Treated Mineral and Earth Manufacturing |
Related SIC codes
Via the official U.S. Census concordance (1987 SIC ↔ NAICS), shown only where the industry definition is unchanged in NAICS 2022.
| SIC code | Title |
|---|---|
3295 | Minerals and Earths, Ground or Otherwise Treated |
Related National Industry codes
327991— Cut Stone and Stone Product Manufacturing327993— Mineral Wool Manufacturing327999— All Other Miscellaneous Nonmetallic Mineral Product Manufacturing
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Data: official 2022 NAICS structure, descriptions and Census concordances, U.S. Census Bureau — U.S. government works in the public domain (17 U.S.C. §105). Suggested reference, not an official determination.