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Chemical Manufacturing

28,122 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 28122 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

Products made in this industry2,065 PRODUCTS

ProductSourceFacilities
Radioimmunoassay, ActhFederal registry5
Radioimmunoassay, EstriolFederal registry5
Radioimmunoassay, Free ThyroxineFederal registry5
Radioimmunoassay, Human Growth HormoneFederal registry5
Radioimmunoassay (Two-Site Solid Phase), FerritinFederal registry5
Reagent, Rickettsia SerologicalFederal registry5
Reagents, Clostridium Difficile ToxinFederal registry5
Reagents For Molecular Diagnostic Test SystemsFederal registry5
Single Use Only Blood Lancet Without An Integral Sharps Injury Prevention FeatureFederal registry5
Solution, Carnoy'SFederal registry5
Stain, Trichrome, Mallory'SFederal registry5
System, Blood CulturingFederal registry5
System, Multipurpose For In Vitro Coagulation StudiesFederal registry5
System,Test,Antibodies,B2 - Glycoprotein I (B2 - Gpi)Federal registry5
System, Test, Carbohydrate Antigen (Ca19-9), For Monitoring And Management Of Pancreatic CancerFederal registry5
System, Test, Immunological, Antigen, TumorFederal registry5
System, Test, ThyroglobulinFederal registry5
Test, Amphetamine, Employment And Insurance Testing, ExemptFederal registry5
Test, Antigen, Nuclear, Epstein-Barr VirusFederal registry5
Test, Benzodiazepine, Employment And Insurance Testing, ExemptFederal registry5
Test, Cannabinoid, Employment And Insurance Testing, ExemptFederal registry5
Test, Cocaine And Cocaine Metabolite, Employment And Insurance Testing, ExemptFederal registry5
Test, Luteinizing Hormone (Lh), Over The CounterFederal registry5
Test, Methamphetamine, Employment And Insurance Testing, ExemptFederal registry5
Test, Phencyclidine (Pcp), Over The CounterFederal registry5
Test System, Nicotine, Cotinine, MetabolitesFederal registry5
Test, Time, ProthrombinFederal registry5
Thyroglobulin, Antigen, Antiserum, ControlFederal registry5
Tray, Impression, PreformedFederal registry5
Tray, SurgicalFederal registry5
Van Gieson'S StainFederal registry5
Wax, Dental, IntraoralFederal registry5
Accessory, Surgical ApparelFederal registry4
Acid, PeriodicFederal registry4
Activated Partial ThromboplastinFederal registry4
Adaptor, Holder, SyringeFederal registry4
Aid, Surgical, ViscoelasticFederal registry4
Airway, Oropharyngeal, AnesthesiologyFederal registry4
Alpha-1-Acid-Glycoprotein, Antigen, Antiserum, ControlFederal registry4
Alpha-1-Antitrypsin, Antigen, Antiserum, ControlFederal registry4
Alternate Controller Enabled Insulin Infusion PumpFederal registry4
AntibodiesCompany website4
Antibody Igm,If, Cytomegalovirus VirusFederal registry4
Anti-Dna Antibody (Enzyme-Labeled), Antigen, ControlFederal registry4
Antigen, Cf (Including Cf Control), CytomegalovirusFederal registry4
Anti-Ribosomal P AntibodiesFederal registry4
Anti-Rnp Antibody, Antigen And ControlFederal registry4
Anti-Sm Antibody, Antigen And ControlFederal registry4
Antithrombin Iii QuantitationFederal registry4
Applicator, EntFederal registry4

Search all 28,122 facilities

Common questions

How many chemical manufacturing facilities are in the United States?

As of NOV 2026, FactoryRegistry lists 28,122 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 5,143 facilities listed.

How many chemical manufacturing facilities are still operating?

15,240 of the 28,122 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.