Chemical Manufacturing

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

28,120 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

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 (15,886)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
Auramine O	Federal registry	4
Automated Insulin Dosing Device System, Single Hormonal Control	Federal registry	4
Automated Insulin Dosing , Threshold Suspend	Federal registry	4
Automated Pipetting, Diluting And Specimen Processing Workstations For Flow Cytometric Analysis	Federal registry	4
Bcr/Abl1 Monitoring Test	Federal registry	4
Bone Grafting Material, Synthetic	Federal registry	4
Brilliant Green	Federal registry	4
Calibrator For Red-Cell And White-Cell Counting	Federal registry	4
Calprotectin, Fecal	Federal registry	4
Case, Contact Lens	Federal registry	4
C. Difficile Toxin Gene Amplification Assay	Federal registry	4
Centrifuges (Micro, Ultra, Refrigerated) For Clinical Use	Federal registry	4
cleaners	Company website	4
Cleanser, Root Canal	Federal registry	4
Colorimetric Method, Gamma-Glutamyl Transpeptidase	Federal registry	4
Colorimetry, Cholinesterase	Federal registry	4
Congo Red	Federal registry	4
Container, Embedding	Federal registry	4
Container, Specimen Mailer And Storage, Sterile	Federal registry	4
Control, Fecal Occult Blood	Federal registry	4
Control, Plasma, Abnormal	Federal registry	4
Control, White-Cell	Federal registry	4
Cresolphthalein Complexone, Calcium	Federal registry	4
Culture Media, Antimicrobial Susceptibility Test, Excluding Mueller Hinton Agar	Federal registry	4
Culture Media, Antimicrobial Susceptibility Test, Mueller Hinton Agar/Broth	Federal registry	4
Culture Media, For Isolation Of Pathogenic Neisseria	Federal registry	4
Culture Media, Multiple Biochemical Test	Federal registry	4
Cyclosporine	Federal registry	4
Dam, Rubber	Federal registry	4
Dengue Serological Reagents	Federal registry	4
Dermal Cooling Pack/Vacuum/Massager	Federal registry	4
Device, Automated Sedimentation Rate	Federal registry	4
Dna-Reagents, Neisseria	Federal registry	4
Drape, Surgical, Exempt	Federal registry	4
Electrophoretic Separation, Alkaline Phosphatase Isoenzymes	Federal registry	4
Enzyme Immunoassay, Gentamicin	Federal registry	4
Enzyme Immunoassay, Phenobarbital	Federal registry	4
Enzyme Immunoassay, Theophylline	Federal registry	4
Enzyme Linked Immunoabsorbent Assay, Herpes Simplex Virus, Non-Specific	Federal registry	4
Enzyme Linked Immunoabsorbent Assay, Varicella-Zoster	Federal registry	4
Floss, Dental	Federal registry	4
Fluid, Diluting, Red-Cell	Federal registry	4
Fluid, Diluting, White-Cell	Federal registry	4
Fluorometric Method, Cpk Or Isoenzymes	Federal registry	4
Forceps	Federal registry	4
Gauze / Sponge,Nonresorbable For External Use	Federal registry	4
Glucose-6-Phosphate Dehydrogenase (Erythrocytic), Screening	Federal registry	4
Groups A, C And G Beta-Hemolytic Streptococcus Nucleic Acid Amplification System	Federal registry	4
Hemoglobin A1c Test System	Federal registry	4
Herpes Virus (Vzv, Hsv1, Hsv2), Dna Detection Assay For Cutaneous And Mucocutaneous Lesion Samples	Federal registry	4

Search all 28,120 facilities

Common questions

How many chemical manufacturing facilities are in the United States?

As of NOV 2026, FactoryRegistry lists 28,120 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?

15,238 of the 28,120 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.