FactoryRegistry

Chemical Manufacturing in Connecticut

NAICS 325 · CT

As of JUL 2026, FactoryRegistry lists 243 chemical manufacturing facilities in Connecticut, sourced from EPA, OSHA and Census records.

FACILITIES
243
SHARE OF STATE MANUFACTURING
8.5%
of 2,848 in Connecticut
CITIES REPRESENTED
10
TOP CITY
Danbury
13 facilities

Cities in Connecticut

Danbury (13)New Haven (12)Waterbury (11)Wallingford (10)Stratford (8)Norwalk (7)Milford (6)Middletown (5)Rocky Hill (5)Stamford (5)

Facilities

Caap Co., INC.
Milford, CT
ACTIVE325510EMP 20-99
Macdermid Enthone INC.
West Haven, CT
ACTIVE325998EMP 100-499
Mannkind Corporation
Danbury, CT
ACTIVE325199EMP 100-499
Photronics INC
Brookfield, CT
ACTIVE325992EMP 100-499
Bedoukian Research, INC.
Danbury, CT
ACTIVE325199EMP 100-499
Dymax CORP
Torrington, CT
ACTIVE325520EMP 100-499
Foster, LLC
Putnam, CT
ACTIVE325991EMP 20-99
Hubbard-hall INC.
Waterbury, CT
ACTIVE325180EMP 20-99
Oxford Performance Materials, INC.
South Windsor, CT
ACTIVE325211EMP 20-99
Proton Energy Systems INC
Wallingford, CT
ACTIVE325120EMP 100-499
Technical Industries, INC.
Torrington, CT
ACTIVE325211EMP 20-99
Advanced Adhesive Systems INC
Newington, CT
LIKELY ACTIVE325520EMP 20-99
Boehringer Ingelheim Pharmaceuticals INC
Ridgefield, CT
LIKELY ACTIVE325412
Delmar Products
Berlin, CT
LIKELY ACTIVE325211EMP 20-99
Electric Cable Compounds
Naugatuck, CT
LIKELY ACTIVE325212EMP 20-99
Embalmers' Supply Company, the
East Lyme, CT
LIKELY ACTIVE325998
Hampford Research
Stratford, CT
LIKELY ACTIVE325199EMP 20-99
Henkel Corporation
Rocky Hill, CT
LIKELY ACTIVE325520
King Industries, INC.
Norwalk, CT
LIKELY ACTIVE325199EMP 100-499
Koster Keunen
Watertown, CT
LIKELY ACTIVE325612EMP 20-99
Midsun Specialty Products, INC.
Berlin, CT
LIKELY ACTIVE325212
Miller-stephenson Chemical CO INC
Danbury, CT
LIKELY ACTIVE325510
Pharmacal Research Laboratories, INC.
Waterbury, CT
LIKELY ACTIVE325611
Plastic Design INC
Middletown, CT
LIKELY ACTIVE325991EMP 20-99
Sealed Air CORP - Danbury
Danbury, CT
LIKELY ACTIVE325991EMP 20-99
Sheffield Pharmaceuticals, LLC
New London, CT
LIKELY ACTIVE325412
Simoniz USA INC
Bolton, CT
LIKELY ACTIVE325611EMP 100-499
Stanchem INC
East Berlin, CT
LIKELY ACTIVE325510EMP 20-99
Sumitomo Bakelite North America, INC.
Manchester, CT
LIKELY ACTIVE325211EMP 20-99
ABA-PGT Manchester Location
Manchester, CT
LIKELY ACTIVE325211EMP 100-499
ABA-PGT Vernon Location
Vernon, CT
LIKELY ACTIVE325211EMP 1-19
Absolute Standards INC
Middletown, CT
LIKELY ACTIVE325998
Allnex-Wallingford
Wallingford, CT
LIKELY ACTIVE325211EMP 100-499
AmSty Allyn's Point
Gales Ferry, CT
LIKELY ACTIVE325211EMP 20-99
A.p.c.m. Manufacturing LLC
Plainfield, CT
LIKELY ACTIVE325520
Avient - Bethel
Bethel, CT
LIKELY ACTIVE325211EMP 1-19
Avient - NEU
North Haven, CT
LIKELY ACTIVE325211EMP 1-19
Axel Plastics Research Laboratories INC
Monroe, CT
LIKELY ACTIVE325998
Axel Plastics Research Labs
Monroe, CT
LIKELY ACTIVE325991EMP 20-99
Azure Water Services, LLC
West Haven, CT
LIKELY ACTIVE325998EMP 20-99
Azure Water Services, LLC
West Haven, CT
LIKELY ACTIVE325998
Bepuit Managements LLC
Derby, CT
LIKELY ACTIVE325611
Biohaven Pharmaceuticals, INC
New Haven, CT
LIKELY ACTIVE325412
Biosafe Systems, LLC
East Hartford, CT
LIKELY ACTIVE325320
Bioxcel Therapeutics, INC.
New Haven, CT
LIKELY ACTIVE325412
Botanical Extract Manufacturer
Monroe, CT
LIKELY ACTIVE325620EMP 20-99
Brookfield
Brookfield, CT
LIKELY ACTIVE325193EMP 100-499
Catachem, INC.
Oxford, CT
LIKELY ACTIVE325413
Centerbrook
Centerbrook, CT
LIKELY ACTIVE325412EMP 20-99
City Chemical LLC
West Haven, CT
LIKELY ACTIVE325180

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