Miscellaneous Manufacturing
22,737 FACILITIESAll Census product lines →NAICS 339
Map, cities and product lines
Top cities
Product lines reported here
Machined metal, plastic, or other composite parts on a job…Manufacturing of dental equipmentManufacturing of dental metalsManufacturing of dental suppliesManufacturing of industrial eye protectorsManufacturing of other consumer
These are counts by industry: the Economic Census records what establishments in miscellaneous manufacturing reported producing, and never names a plant.
Where these plants are54 STATES
Bars are drawn against Illinois, the largest, rather than against the national total.
Common questions
How many miscellaneous manufacturing facilities are in the United States?
As of AUG 2026, FactoryRegistry lists 22,737 miscellaneous manufacturing facilities (NAICS 339) across 54 states, compiled from EPA, OSHA and Census records.
Which state has the most miscellaneous manufacturing facilities?
Illinois, with 4,257 facilities listed.
How many miscellaneous manufacturing facilities are still operating?
10,158 of the 22,737 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.