Analysis
NAICS 3279 is the 2022 industry group for other nonmetallic mineral product manufacturing, part of 327 (Nonmetallic Mineral Product Manufacturing). Census lists 78 example activities under it in the official index.
County Business Patterns counts 3,341 US establishments in this code in 2023, employing 83,488 people at an average annual payroll of $67,805 per employee (49th percentile of national industries). 31% of the establishments have fewer than five employees, which is close to the national mix.
Across its national industries Census lists 78 index entries; typical ones are abrasive products manufacturing, architectural sculptures, stone, manufacturing, barite processing beyond beneficiation and fiberglass insulation products manufacturing.
Its goods appear in 105 statistical lines of the US tariff schedule, mostly under headings 6802 (worked monumental or building stone (except slate) and…), 6804 (millstones, grindstones, grinding wheels and the like…) and 6806 (slag wool, rock wool and similar mineral wools; exfoliated…). That link is how import data is matched to domestic producers, for example in trade-remedy cases.
It splits into 2 more detailed codes. The largest by establishments is 32799 (All Other Nonmetallic Mineral Product Manufacturing) with 3,077.
Official definition
This industry group comprises establishments manufacturing nonmetallic mineral products (except clay products, refractory products, glass products, cement and concrete products, lime, and gypsum products).
Source: US Census Bureau, NAICS 2022 Manual.
Index entries (78)
- Abrasive products manufacturing
- Architectural sculptures, stone, manufacturing
- Barite processing beyond beneficiation
- Fiberglass insulation products manufacturing
- Asbestos products (except brake shoes and clutches) manufacturing