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

Plants in New Hampshire104 FACILITIES

Facility	City	Employees	Status
HIHologic INC	Londonderry	20–99	● ACTIVE
Morgan Advanced Ceramics, INC	Hudson	20–99	● ACTIVE
NCNylon Corporation of America	Manchester	20–99	● ACTIVE
Airgas Usa, LLC	Salem	—	● ACTIVE
American Laboratory Products Company, LTD	Salem	—	● ACTIVE
Appli-tec INC	Salem	20–99	● ACTIVE
Hci Cleaning Products LLC	Hollis	—	● ACTIVE
Henkel US Operations Corporation	Seabrook	20–99	● ACTIVE
Integra Biosciences CORP.	Hudson	100–499	● ACTIVE
MCMarkem-imaje CORP	Keene	100–499	● ACTIVE
Textiles Coated, Incorporated	Londonderry	100–499	● ACTIVE
Vhg Labs INC	Manchester	100–499	● ACTIVE
Anchor Pest Services, INC.	Manchester	—	● ACTIVE
Arctic Dry Ice, LLC	Londonderry	—	● ACTIVE
Eco Knight Group LLC	Lebanon	—	● ACTIVE
Foundation Armor LLC	Amherst	—	● ACTIVE
J. R. Liggett Limited	Cornish	—	● ACTIVE
KIKrayden, INC.	Manchester	—	● ACTIVE
Supra Elemental Recovery, INC.	Hollis	—	● ACTIVE
CFCarbon Felt INC.	Claremont	20–99	◐ LIKELY ACTIVE
DDD D Bean and Sons	Jaffrey	20–99	◐ LIKELY ACTIVE
LBLonza Biologics	Portsmouth	—	◐ LIKELY ACTIVE
TCTender CORP	Littleton	—	◐ LIKELY ACTIVE
WMWhite Mountain Imaging	Concord	—	◐ LIKELY ACTIVE
UAUpaco Adhesive	Nashua	—	◐ LIKELY ACTIVE
WMWhite Mountain Biodiesel, INC	North Haverhill	—	◐ LIKELY ACTIVE
HCHenkel Corporation	Seabrook	—	◇ UNVERIFIED
LSLgc Standards Vhg Labs	Bedford	—	◇ UNVERIFIED
TThunderline-z	Hampstead	—	◇ UNVERIFIED
BBBeach Brand Foods, LLC	Salem	—	◐ LIKELY ACTIVE
BXBio X Cell, LLC	Lebanon	—	◐ LIKELY ACTIVE
IVId Vet INC	Hampton	—	◐ LIKELY ACTIVE
JCJones Chemical	Merrimack	—	◐ LIKELY ACTIVE
LSLyophilization Services of New England	Bedford	100–499	◐ LIKELY ACTIVE
TWThe W.S. Badger Co., Inc.	Gilsum	20–99	◐ LIKELY ACTIVE
WMWayne Manufacturing Industries, LLC	Brentwood	—	◐ LIKELY ACTIVE
BABoston Analytical INC Dba Ba Sciences	Salem	—	◐ LIKELY ACTIVE
LSLyophilization Services of New England	Bedford	—	◐ LIKELY ACTIVE
PAPrima America Corporation	Northumberland	—	◐ LIKELY ACTIVE
CTConti Tech Thermopol INC	Somersworth	—	◇ UNVERIFIED
EIEfi Inkware	Meredith	—	◇ UNVERIFIED
FDFujifilm Dimatix, INC.	Lebanon	—	◇ UNVERIFIED
HCHampshire Chemical	Nashua	—	◇ UNVERIFIED
HLHenkel Locktite	Seabrook	—	◇ UNVERIFIED
LSLyophilization Services of New England	Bedford	—	◇ UNVERIFIED
NNNovo Nordisk US Bio Production, INC.	Lebanon	—	◇ UNVERIFIED
TSTrelleborg Sealing Solutions	Somersworth	—	◇ UNVERIFIED
UTUnited Therapeutics Corporation	Manchester	—	◇ UNVERIFIED
UIUraseal INC	Dover	—	◇ UNVERIFIED
WPWatson Park (a.k.a. Former Harcros Chemical Site)	Merrimack	—	◇ UNVERIFIED

Search all 104 facilities