Machinery Manufacturing
24,552 FACILITIESAll Census product lines →NAICS 333
Map, cities and product lines
Top cities
Product lines reported here
Machinery contract manufacturing servicesMachined metal, plastic, or other composite parts on a job…Manufacturing of precision turned productsManufacturing of jigs and fixturesManufacturing of punchesManufacturing of weldments and fabricated steel plate for other…
These are counts by industry: the Economic Census records what establishments in machinery manufacturing reported producing, and never names a plant.
Where these plants are54 STATES
Bars are drawn against California, the largest, rather than against the national total.
Common questions
How many machinery manufacturing facilities are in the United States?
As of AUG 2026, FactoryRegistry lists 24,552 machinery manufacturing facilities (NAICS 333) across 54 states, compiled from EPA, OSHA and Census records.
Which state has the most machinery manufacturing facilities?
California, with 4,623 facilities listed.
How many machinery manufacturing facilities are still operating?
12,157 of the 24,552 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.