Chemical Manufacturing

Name: Chemical Manufacturing facilities in the United States
Creator: FactoryRegistry
License: https://www.usa.gov/government-works

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

Map of United States manufacturing facilities

Top cities

San Diego, CA Houston, TX Los Angeles, CA Pasadena, TX Chicago, IL South San Francisco, CA St. Louis, MO Irvine, CA Indianapolis, IN Phoenix, AZ Louisville, KY Baltimore, MD

Nearby industries

Nonmetallic Mineral Product Manufacturing (21,235)Plastics and Rubber Products Manufacturing (15,887)Wood Product Manufacturing (15,247)

Product lines reported here

Other chemical contract manufacturing services Manufacturing of cosmetics and other toilet preparations Manufacturing of all other inorganic chemicals Manufacturing of aromatics Manufacturing of commercial Manufacturing of miscellaneous end-use chemicals and chemical…

These are counts by industry: the Economic Census records what establishments in chemical manufacturing reported producing, and never names a plant.

Products made in this industry2,065 PRODUCTS

Product	Source	Facilities
Myoglobin, Antigen, Antiserum, Control	Federal registry	7
Nadh Oxidation/Nad Reduction, Ast/Sgot	Federal registry	7
Phosphomolybdate (Colorimetric), Inorganic Phosphorus	Federal registry	7
Preservative, Cytological	Federal registry	7
Prostate-Specific Antigen (Psa) For Management Of Prostate Cancers	Federal registry	7
Radioimmunoassay, Androstenedione	Federal registry	7
Radioimmunoassay, Parathyroid Hormone	Federal registry	7
Reagent, Borrelia Serological Reagent	Federal registry	7
Resin, Denture, Relining, Repairing, Rebasing	Federal registry	7
Stain, Reticulocyte	Federal registry	7
System, Hemoglobin, Automated	Federal registry	7
System, Test, Anticardiolipin Immunological	Federal registry	7
Test, Hiv Detection	Federal registry	7
Test, Opiates, Employment And Insurance Testing, Exempt	Federal registry	7
Test, Propoxyphene, Over The Counter	Federal registry	7
Accessories, Soft Lens Products	Federal registry	6
Acid, Folic, Radioimmunoassay	Federal registry	6
Acid, Uric, Uricase (Colorimetric)	Federal registry	6
Agent, Tooth Bonding, Resin	Federal registry	6
Albumin, Antigen, Antiserum, Control	Federal registry	6
Alkaline Picrate, Colorimetry, Creatinine	Federal registry	6
Antibodies, Anti-Cyclic Citrullinated Peptide (Ccp)	Federal registry	6
Antibody Igm, If, Epstein-Barr Virus	Federal registry	6
Antigen, Cf (Including Cf Controls), Respiratory Syncytial Virus	Federal registry	6
Antistreptolysin - Titer/Streptolysin O Reagent	Federal registry	6
Apolipoproteins	Federal registry	6
Assayed External Control Material For Microbiology Nucleic Acid Amplification (Nat) Assays	Federal registry	6
Autoantibodies, Endomysial(Tissue Transglutaminase)	Federal registry	6
Biuret (Colorimetric), Total Protein	Federal registry	6
Calibrator For Hemoglobin And Hematocrit Measurement	Federal registry	6
Cement, Dental	Federal registry	6
Cleanser, Denture, Over The Counter	Federal registry	6
Container, Specimen, Non-Sterile	Federal registry	6
Coverslips, Microscope Slide	Federal registry	6
Culture Media, Non-Selective And Differential	Federal registry	6
Culture Media, Selective Broth	Federal registry	6
Dressing, Wound, Occlusive	Federal registry	6
Electrosurgical, Cutting & Coagulation & Accessories	Federal registry	6
Enzyme Immunoassay, Digoxin	Federal registry	6
Enzyme Linked Immunoabsorbent Assay, Mumps Virus	Federal registry	6
Enzyme Linked Immunoabsorbent Assay, Rubeola Igg	Federal registry	6
Enzyme Linked Immunosorbent Assay, Herpes Simplex Virus, Hsv-2	Federal registry	6
Epstein-Barr Virus, Other	Federal registry	6
Fixative, Acid Containing	Federal registry	6
Formulations, Paraffin, All	Federal registry	6
Haptoglobin, Antigen, Antiserum, Control	Federal registry	6
Igg, Antigen, Antiserum, Control	Federal registry	6
Immunochemical, Thyroglobulin Autoantibody	Federal registry	6
Influenza A And Influenza B Multiplex Nucleic Acid Assay	Federal registry	6
Kappa, Antigen, Antiserum, Control	Federal registry	6

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.