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Chemical Manufacturing in Connecticut

NAICS 325 · CT

Connecticut is home to Chemical Manufacturing, industry NAICS code 325. The Bureau of Labor Statistics counted 204 establishments in Connecticut in 2024, with an annual payroll of about $1.2 billion. Listed in the register are 262 facilities in 91 cities across Connecticut.

SUMMARIZED FROM THE FEDERAL FIGURES ON THIS PAGE

Map, cities and product lines

Biggest counties

Capitol56South Central Connecticut56Western Connecticut40Naugatuck Valley28Greater Bridgeport21Southeastern Connecticut21Lower Connecticut River Valley15Northeastern Connecticut13

Biggest cities

Plants in Connecticut56 FACILITIES

FacilityCityEmployeesStatus
Caap Co., INC.Milford20–99 ACTIVE
Dexmet CorporationWallingford— ACTIVE
Macdermid Enthone INC.West Haven100–499 ACTIVE
Proton Energy Systems INCWallingford100–499 ACTIVE
Biohaven Pharmaceuticals, INCNew Haven— ACTIVE
Clr Technologies INCNew Haven— ACTIVE
Galen Laboratory Supplies LLCNorth Haven— ACTIVE
Invivyd, INC.New Haven— ACTIVE
P2 Science, INC.Woodbridge— ACTIVE
Us+ Healthcare Products LLCMilford— ACTIVE
Allnex USA Inc., Wallingford Ct PlantWallingford100–499 LIKELY ACTIVE
Laticrete Int'l INCBethany— LIKELY ACTIVE
Porce-len, INCHamden— LIKELY ACTIVE
Roehm America LLCWallingford— LIKELY ACTIVE
American Greenfuels, LLCNew Haven— LIKELY ACTIVE
Active Oil INC (acv)New Haven— UNVERIFIED
Kuehne New Haven LLCNew Haven— UNVERIFIED
Roebic Laboratories, INC.Orange— UNVERIFIED
Superior Printing Ink CO. INC. Cmf 1Hamden— UNVERIFIED
Azure Water Services, LLCWest Haven— LIKELY ACTIVE
100 Waterfront StreetNew Haven— LIKELY ACTIVE
Pharmacia & Upjohn (former)North Haven— LIKELY ACTIVE
AplicareMeriden— UNVERIFIED
Bristol-myers Squibb Research & DevelopmentWallingford— UNVERIFIED
Byk USA LLCNorth Haven— UNVERIFIED
CarbolabsBethany— UNVERIFIED
Ferti Technologies Ct CORPWallingford— UNVERIFIED
H Krevit & CO Water Treatment ChemicalsNew Haven— UNVERIFIED
Macdermid Enthone INCOrange— UNVERIFIED
Melinta Therapeutics INCNew Haven— UNVERIFIED
New England Discovery PartnersBranford— UNVERIFIED
Yale UniversityWest Haven— UNVERIFIED
Avient - NEUNorth Haven1–19 LIKELY ACTIVE
Azure Water Services, LLCWest Haven20–99 LIKELY ACTIVE
City Chemical LLCWest Haven— LIKELY ACTIVE
Fragrance ManufacturerMilford20–99 LIKELY ACTIVE
Kuehne Chemical Company, INCNew Haven20–99 LIKELY ACTIVE
LATICRETE International Inc - BethanyBethany100–499 LIKELY ACTIVE
North HavenNorth Haven20–99 LIKELY ACTIVE
Perkins Rouge & Paint Co., LLCMilford— LIKELY ACTIVE
Plant 1Hamden1–19 LIKELY ACTIVE
Plant 1New Haven20–99 LIKELY ACTIVE
Plant 2Hamden20–99 LIKELY ACTIVE
Rnaconnect, INC.Branford— REPORTED CLOSED
Seraph Energy, INC.Milford— LIKELY ACTIVE
Technical Gas Products, INC.Wallingford— LIKELY ACTIVE
Metabiome, LLCNew Haven— LIKELY ACTIVE
Allnex Usa, INC Formerly Cytec Industries INCWallingford— UNVERIFIED
Byk USA INCWallingford— UNVERIFIED
Eastern Tech CompanyMilford— UNVERIFIED

Search all 262 facilities

All chemical manufacturing nationwide · All manufacturing in Connecticut