Chemical Manufacturing in New Hampshire

NAICS 325 · NH

This register lists 108 facilities in New Hampshire. The Bureau of Labor Statistics counted 88 establishments in the Chemical Manufacturing industry in New Hampshire. Lonza Portsmouth, located in Portsmouth, employed 1574 people in 2025.

SUMMARIZED FROM THE FEDERAL FIGURES ON THIS PAGE

Plants in New Hampshire18 FACILITIES

Listing 18 of 32: the facilities with a website, a size band or two sources on record. The rest are in site search.

Facility	City	Employees	Status
Appli-tec INC	Salem	20–99	● ACTIVE
HIHologic INC	Londonderry	20–99	● ACTIVE
Airgas Usa, LLC	Salem	—	● ACTIVE
American Laboratory Products Company, LTD	Salem	—	● ACTIVE
Henkel US Operations Corporation	Seabrook	20–99	● ACTIVE
Textiles Coated, Incorporated	Londonderry	100–499	● ACTIVE
Arctic Dry Ice, LLC	Londonderry	—	● ACTIVE
PAProtavic America INC	Londonderry	20–99	◐ LIKELY ACTIVE
LBLonza Biologics	Portsmouth	—	◐ LIKELY ACTIVE
TThunderline-z	Hampstead	—	◐ LIKELY ACTIVE
WMWayne Manufacturing Industries, LLC	Brentwood	20–99	◐ LIKELY ACTIVE
ICItaconix CORP	Stratham	20–99	◐ LIKELY ACTIVE
BBBeach Brand Foods, LLC	Salem	—	◐ LIKELY ACTIVE
IVId Vet INC	Hampton	—	◐ LIKELY ACTIVE
BABoston Analytical INC Dba Ba Sciences	Salem	—	◐ LIKELY ACTIVE
HLHenkel Locktite	Seabrook	—	◇ UNVERIFIED
FDFoodState dba MegaFood	Londonderry	100–499	◐ LIKELY ACTIVE
ATAdhesive Technologies, INC.	Hampton	20–99	◇ UNVERIFIED

Search all 108 facilities