FactoryRegistry
Claim a page

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

Plants in New Hampshire40 FACILITIES

FacilityCityEmployeesStatus
Morgan Advanced Ceramics, INCHudson20–99 ACTIVE
Nylon Corporation of AmericaManchester20–99 ACTIVE
Hci Cleaning Products LLCHollis ACTIVE
Integra Biosciences CORP.Hudson100–499 ACTIVE
Vhg Labs INCManchester100–499 ACTIVE
Anchor Pest Services, INC.Manchester ACTIVE
Foundation Armor LLCAmherst ACTIVE
Krayden, INC.Manchester ACTIVE
Upaco AdhesiveNashua LIKELY ACTIVE
Lgc Standards Vhg LabsBedford UNVERIFIED
Jones ChemicalMerrimack LIKELY ACTIVE
Lyophilization Services of New EnglandBedford100–499 LIKELY ACTIVE
Lyophilization Services of New EnglandBedford LIKELY ACTIVE
Hampshire ChemicalNashua UNVERIFIED
Lyophilization Services of New EnglandBedford UNVERIFIED
United Therapeutics CorporationManchester UNVERIFIED
Watson Park (a.k.a. Former Harcros Chemical Site)Merrimack UNVERIFIED
Armi Bioindustries CORPManchester LIKELY ACTIVE
Austin Powder Northeast LLC - Mt. WilliamWeare20–99 LIKELY ACTIVE
Global Environmental Solutions LLCManchester LIKELY ACTIVE
Integra-Biosciences FriarsHudson20–99 LIKELY ACTIVE
Integra-Biosciences MerrimackMerrimack1–19 LIKELY ACTIVE
Worthen Industries Nashua SouthNashua20–99 LIKELY ACTIVE
Hs Staples COMerrimack UNVERIFIED
Lightblocks Mfg LLCMerrimack UNVERIFIED
Antifreeze Technology SystemsGoffstown UNVERIFIED
Chuckles INC.Manchester UNVERIFIED
Foundation Armor LLCNashua UNVERIFIED
Hudson Color Concentrates INCHudson UNVERIFIED
Lyophilization Services of New England, INC. (lsne)Bedford UNVERIFIED
New Hampshire Plastics, INC.Manchester UNVERIFIED
Pci Pharmaceutical ServicesBedford UNVERIFIED
Plastics Forming EnterprisesMerrimack UNVERIFIED
Polymer TechnologiesNashua UNVERIFIED
Resin Systems CORP.Amherst UNVERIFIED
Sgs North AmericaHudson UNVERIFIED
Universal Systems USA INC.Manchester UNVERIFIED
Vhg Labs INC. Dba Lgc StandardsManchester UNVERIFIED
Vibracoustic North America L.p.Manchester UNVERIFIED
Wellbridge Therapeutics LLCBedford UNVERIFIED

Search all 104 facilities

All chemical manufacturing nationwide · All manufacturing in New Hampshire