Chemical Manufacturing
28,025 FACILITIESAll Census product lines →NAICS 325
The Chemical Manufacturing industry, as defined by NAICS 325, had 25801 establishments according to the Bureau of Labor Statistics in 2025. This register lists 28025 facilities. The West Point, PA Facility employs 8892 people as of 2025.
SUMMARIZED FROM THE FEDERAL FIGURES ON THIS PAGE
Map, cities and product lines
Top cities
Product lines reported here
These are counts by industry: the Economic Census records what establishments in chemical manufacturing reported producing, and never names a plant.
Where these plants are55 STATES
Bars are drawn against California, the largest, rather than against the national total.
Common questions
How many chemical manufacturing facilities are in the United States?
As of NOV 2026, FactoryRegistry lists 28,025 chemical manufacturing facilities (NAICS 325) across 55 states, compiled from EPA, OSHA and Census records.
Which state has the most chemical manufacturing facilities?
California, with 5,130 facilities listed.
How many chemical manufacturing facilities are still operating?
15,129 of the 28,025 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.