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Nonmetallic Mineral Product Manufacturing

20,947 FACILITIESAll Census product lines →

NAICS 327

Map, cities and product lines

Products made in this industry103 PRODUCTS

ProductSourceFacilities
Urine Collection Kit (Excludes Hiv Testing)Federal registry1
V-BlockCompany website1
wheel stopsCompany website1

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Common questions

How many nonmetallic mineral product manufacturing facilities are in the United States?

As of AUG 2026, FactoryRegistry lists 20,947 nonmetallic mineral product manufacturing facilities (NAICS 327) across 56 states, compiled from EPA, OSHA and Census records.

Which state has the most nonmetallic mineral product manufacturing facilities?

California, with 2,776 facilities listed.

How many nonmetallic mineral product manufacturing facilities are still operating?

6,682 of the 20,947 listed carry a recent operating signal in federal data — the register's Active or Likely active status. The rest are listed from their filings alone, which is a gap in the federal record rather than evidence that a plant has closed.