NAICS 327
As of JUL 2026, FactoryRegistry lists 19,373 nonmetallic mineral product manufacturing facilities in the United States, sourced from EPA, OSHA and Census records.
As of JUL 2026, FactoryRegistry lists 19,373 nonmetallic mineral product manufacturing facilities (NAICS 327) across 56 states, compiled from EPA, OSHA and Census records.
California, with 2,870 facilities listed.