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Chemical Manufacturing in Connecticut

NAICS 325 · CT

This register lists 268 facilities in Connecticut. The Bureau of Labor Statistics counted 192 establishments in the Chemical Manufacturing industry in Connecticut during 2025. SCA Pharma Windsor, located in Windsor, employed 357 people in 2025.

SUMMARIZED FROM THE FEDERAL FIGURES ON THIS PAGE

Map, cities and product lines

Biggest counties

South Central Connecticut60Capitol59Western Connecticut38Naugatuck Valley27Southeastern Connecticut21Greater Bridgeport20Lower Connecticut River Valley18Northeastern Connecticut12

Biggest cities

Plants in Connecticut47 FACILITIES

Listing 47 of 60: the facilities with a website, a size band or two sources on record. The rest are in site search.

FacilityCityEmployeesStatus
Azure Water Services, LLCWest Haven— ACTIVE
Caap Co., INC.Milford20–99 ACTIVE
Dexmet CorporationWallingford— ACTIVE
Laticrete Int'l INCBethany500+ ACTIVE
Macdermid Enthone INC.West Haven100–499 ACTIVE
Proton Energy Systems INCWallingford100–499 ACTIVE
Roebic Laboratories, INC.Orange20–99 ACTIVE
Superior Printing Ink CO. INC. Cmf 1Hamden— ACTIVE
Galen Laboratory Supplies LLCNorth Haven— ACTIVE
P2 Science, INC.Woodbridge— ACTIVE
Biohaven Pharmaceuticals, INCNew Haven— ACTIVE
Clr Technologies INCNew Haven— ACTIVE
Us+ Healthcare Products LLCMilford— ACTIVE
Allnex USA INC -wallingford Ct PlantWallingford100–499 LIKELY ACTIVE
Ferti Technologies Ct CORPWallingford— LIKELY ACTIVE
Porce-len, INCHamden— LIKELY ACTIVE
Roehm America LLCWallingford— LIKELY ACTIVE
Active Oil INC (acv)New Haven— LIKELY ACTIVE
American Greenfuels, LLCNew Haven— LIKELY ACTIVE
Kuehne New Haven LLCNew Haven— LIKELY ACTIVE
Brand-nu LaboratoriesMeriden20–99 LIKELY ACTIVE
Invivyd, INC.New Haven— LIKELY ACTIVE
Metabiome, LLCNew Haven— LIKELY ACTIVE
Rnaconnect, INC.Branford— REPORTED CLOSED
Milbar Labs, INC.East Haven— LIKELY ACTIVE
100 Waterfront StreetNew Haven— LIKELY ACTIVE
Byk USA INCWallingford— LIKELY ACTIVE
Byk USA LLCNorth Haven— LIKELY ACTIVE
Glanbia Nutritionals (na) INC.West Haven— LIKELY ACTIVE
Pharmacia & Upjohn (former)North Haven— LIKELY ACTIVE
AplicareMeriden— UNVERIFIED
Bristol-myers Squibb Research & DevelopmentWallingford— REPORTED CLOSED
CarbolabsBethany— UNVERIFIED
Cytec Ind INCWallingford— 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
Fragrance ManufacturerMilford20–99 LIKELY ACTIVE
LATICRETE International Inc - BethanyBethany100–499 LIKELY ACTIVE
North HavenNorth Haven20–99 LIKELY ACTIVE
Plant 1New Haven20–99 LIKELY ACTIVE
Plant 1Hamden1–19 LIKELY ACTIVE
Seraph Energy, INC.Milford— LIKELY ACTIVE

Search all 268 facilities

All chemical manufacturing nationwide · All manufacturing in Connecticut