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Chemical Manufacturing in New Hampshire

NAICS 325 · NH

New Hampshire is home to Chemical Manufacturing, an industry with 86 establishments counted by the Bureau of Labor Statistics in 2024. Lonza Portsmouth in Portsmouth had 1,574 employees in 2025, more than any other plant listed. This register lists 104 facilities in 42 cities across New Hampshire as of 2026.

SUMMARIZED FROM THE FEDERAL FIGURES ON THIS PAGE

Map, cities and product lines

Products made in New Hampshire92 PRODUCTS

ProductSourceFacilities
Accessory, Surgical ApparelFederal registry1
Airway, NasopharyngealFederal registry1
Airway, Oropharyngeal, AnesthesiologyFederal registry1
Anti-Dna Antibody, Antigen And ControlFederal registry1
Antigen, Agglutinating, Echinococcus Spp.Federal registry1
Antinuclear Antibody (Enzyme-Labeled), Antigen, ControlsFederal registry1
Applicator, Absorbent Tipped, Non-SterileFederal registry1
Assay, ErythropoietinFederal registry1
Autoantibodies, Endomysial(Tissue Transglutaminase)Federal registry1
Bandage, CastFederal registry1
Bandage, ElasticFederal registry1
Blade, ScalpelFederal registry1
Brush, Scrub, Operating-RoomFederal registry1
Calprotectin, FecalFederal registry1
Cement, DentalFederal registry1
Container, Specimen Mailer And Storage, Non-SterileFederal registry1
Continuous Measurement ThermometerFederal registry1
Cotton, RollFederal registry1
Depressor, Tongue, Non-SurgicalFederal registry1
Dressing, Wound, Hydrogel Without Drug And/Or BiologicFederal registry1
Dressing, Wound, HydrophilicFederal registry1
Enzyme Immunoassay, Non-Radiolabeled, Total ThyroxineFederal registry1
Extractable Antinuclear Antibody, Antigen And ControlFederal registry1
Film, RadiographicFederal registry1
Filters, Cell Collection, Tissue ProcessingFederal registry1
First Aid Kit With DrugFederal registry1
First Aid Kit Without DrugFederal registry1
Floss, DentalFederal registry1
ForcepsFederal registry1
Gas, Calibration (Specified Concentration)Federal registry1
Gas, Laser GeneratingFederal registry1
Gauze / Sponge,Nonresorbable For External UseFederal registry1
General Purpose ReagentFederal registry1
Hemostatic Wound Dressing Without Thrombin Or Other BiologicsFederal registry1
Ige, Antigen, Antiserum, ControlFederal registry1
Instruments, Dental HandFederal registry1
Instrument, Surgical, DisposableFederal registry1
Iodine (Tincture)Federal registry1
Lactoferrin, Antigen, Antiserum, ControlFederal registry1
Latex Patient Examination GloveFederal registry1
Mask, Oxygen, Non-RebreathingFederal registry1
Mirror, MouthFederal registry1
Pack, Hot Or Cold, DisposableFederal registry1
Pad, EyeFederal registry1
Polymer Patient Examination GloveFederal registry1
Preservative, CytologicalFederal registry1
Processor, Cervical Cytology Slide, AutomatedFederal registry1
Protector, Skin PressureFederal registry1
P-Toluenesulphonyl-L-Arginine Methyl Ester (U.V.), TrypsinFederal registry1
Radioimmunoassay, 17-HydroxyprogesteroneFederal registry1

Search all 104 facilities

All chemical manufacturing nationwide · All manufacturing in New Hampshire