FactoryRegistry
Claim a page

Chemical Manufacturing

28,137 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 28137 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
Gas, Calibration (Specified Concentration)Federal registry10
Kit, Test, Pregnancy, Hcg, Over The CounterFederal registry10
Mounting MediaFederal registry10
Radioimmunoassay, Luteinizing HormoneFederal registry10
Respiratory Virus Panel Nucleic Acid Assay SystemFederal registry10
Slides, MicroscopeFederal registry10
Slide Stainer, AutomatedFederal registry10
Solution, Decalcifier, Acid ContainingFederal registry10
Stains, Dye SolutionFederal registry10
Station, Pipetting And Diluting, For Clinical UseFederal registry10
System, Test, Infectious MononucleosisFederal registry10
Test, Opiates, Over The CounterFederal registry10
Aniline BlueFederal registry9
Cleaner, Ultrasonic, Medical InstrumentFederal registry9
Counter, Cell, Automated (Particle Counter)Federal registry9
C-Reactive Protein, Antigen, Antiserum, And ControlFederal registry9
Culture Media, Non-Propagating TransportFederal registry9
Culture Media, Selective And Non-DifferentialFederal registry9
DetergentFederal registry9
Diazo Colorimetry, BilirubinFederal registry9
Discs, Strips And Reagents, Microorganism DifferentiationFederal registry9
Electrode, Ion-Specific, ChlorideFederal registry9
Enzyme Linked Immunoabsorption Assay, Treponema PallidumFederal registry9
Extractable Antinuclear Antibody, Antigen And ControlFederal registry9
Fiber, Medical, AbsorbentFederal registry9
Gas, Laser GeneratingFederal registry9
Glucose Dehydrogenase, GlucoseFederal registry9
Needle, Hypodermic, Single LumenFederal registry9
Plasma, Coagulation ControlFederal registry9
Radioimmunoassay, EstradiolFederal registry9
Radioimmunoassay, ProgesteroneFederal registry9
Radioimmunoassay, Thyroid-Stimulating HormoneFederal registry9
Radioimmunoassay, Total TriiodothyronineFederal registry9
Refractometer For Clinical UseFederal registry9
Saliva, ArtificialFederal registry9
Syringe, Irrigating (Non Dental)Federal registry9
System, Test, C-Reactive ProteinFederal registry9
System, Test, Human Chorionic GonadotropinFederal registry9
Test System, Antineutrophil Cytoplasmic Antibodies (Anca)Federal registry9
Thin Layer Chromatography, MethamphetamineFederal registry9
Transferrin, Antigen, Antiserum, ControlFederal registry9
Varnish, CavityFederal registry9
Agent, ClearingFederal registry8
Agent, Polishing, Abrasive, Oral CavityFederal registry8
Alcohol Dehydrogenase, Specific Reagent For Ethanol Enzyme MethodFederal registry8
Basic FuchsinFederal registry8
Dressing, Wound, HydrophilicFederal registry8
Drug Specific Control MaterialsFederal registry8
Enzymatic, Carbon-DioxideFederal registry8
Enzyme Linked Immunoabsorbent Assay, CytomegalovirusFederal registry8

Search all 28,137 facilities

Common questions

How many chemical manufacturing facilities are in the United States?

As of NOV 2026, FactoryRegistry lists 28,137 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 28,137 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.