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Manufacturing facilities in Connecticut

The register lists 3653 facilities in Connecticut. The Bureau of Labor Statistics counted 4395 establishments in Connecticut in 2025. Transportation Equipment Manufacturing is an industry with 45961 employees in Connecticut, according to the Bureau of Labor Statistics.

SUMMARIZED FROM THE FEDERAL FIGURES ON THIS PAGE

Map, counties and cities
Map of United States manufacturing facilities

Biggest counties

Capitol1,058South Central Connecticut637Naugatuck Valley542Western Connecticut398Greater Bridgeport244Lower Connecticut River Valley183Southeastern Connecticut179Northeastern Connecticut153
All 9 counties

Biggest cities

Federal labor statistics counted at least 4,395 manufacturing establishments in Connecticut in 2025, employing about 152,632 people, counting only the industry subsectors the Bureau of Labor Statistics discloses at this level. This registry lists 3,653, about 83% of that figure.

Facilities in Connecticut65 FACILITIES

Listing 65 of 93: the facilities with a website, a size band or two sources on record. The rest are in site search.

FacilityCityIndustryNAICSEmployeesStatus
Bedoukian Research, INC.DanburyChemical Manufacturing325199100–499 ACTIVE
Conoptics INCDanburyComputer and Electronic Product Manufacturing3345101–19 ACTIVE
Flagship Converters, INCDanburyPlastics and Rubber Products Manufacturing32611220–99 ACTIVE
Fuelcell Energy INCDanburyComputer and Electronic Product Manufacturing334413100–499 ACTIVE
Kimchuk, IncorporatedDanburyComputer and Electronic Product Manufacturing33441820–99 ACTIVE
Linde Gas & Equipment INC.DanburyChemical Manufacturing325120— ACTIVE
Mannkind CorporationDanburyChemical Manufacturing325199100–499 ACTIVE
Miller-stephenson Chemical CO INCDanburyChemical Manufacturing32551020–99 ACTIVE
Novy International INC.DanburyMachinery Manufacturing3334141–19 ACTIVE
Preferred Utilities Manufacturing CorporationDanburyMachinery Manufacturing333414100–499 ACTIVE
Sealed Air CORP - DanburyDanburyChemical Manufacturing32599120–99 ACTIVE
Straitek, LLCDanburyFabricated Metal Product Manufacturing3327101–19 ACTIVE
T.p. Engineering INCDanburyFabricated Metal Product Manufacturing332710— ACTIVE
Vanguard Products CorporationDanburyChemical Manufacturing32521220–99 ACTIVE
Ab Electronics LLCDanburyComputer and Electronic Product Manufacturing334418— ACTIVE
Blackstone Industries, LLCDanburyFabricated Metal Product Manufacturing332216— ACTIVE
Communication Networks, LLCDanburyComputer and Electronic Product Manufacturing334220— ACTIVE
Danbury Mission Technologies, LLCDanburyMachinery Manufacturing333310100–499 ACTIVE
Delcom Products INC.DanburyComputer and Electronic Product Manufacturing334419— ACTIVE
Drs Naval Power Systems INCDanburyComputer and Electronic Product Manufacturing334515100–499 ACTIVE
Ens Microwave, LLCDanburyComputer and Electronic Product Manufacturing334419— ACTIVE
Ethan Allen Retail, INC.DanburyFurniture and Related Product Manufacturing337122— ACTIVE
Hmb Innovative Industries INC.DanburyFabricated Metal Product Manufacturing332311— ACTIVE
Rk Manufacturing Corporation of CtDanburyFabricated Metal Product Manufacturing332710100–499 ACTIVE
Tarry Medical Products, INC.DanburyMiscellaneous Manufacturing33911220–99 ACTIVE
The Danbury Square Box CODanburyPaper Manufacturing322211— ACTIVE
Eschenbach Optik of America, INCDanburyMiscellaneous Manufacturing339115— ACTIVE
Gallucci's Fine Foods Inc.DanburyFood Manufacturing31141220–99 ACTIVE
Hamar Laser Instruments, INC.DanburyComputer and Electronic Product Manufacturing334519— ACTIVE
Hanger Prosthetics & Orthotics, INCDanburyMiscellaneous Manufacturing339113— ACTIVE
Hi-temp Products CORPDanburyMachinery Manufacturing333994— ACTIVE
L & J Metal Works L.l.c.DanburyFabricated Metal Product Manufacturing332312— ACTIVE
Owl Cyber Defense Solutions, LLCDanburyComputer and Electronic Product Manufacturing334111— ACTIVE
Owl Cyber Defense Solutions, LLCDanburyComputer and Electronic Product Manufacturing334111— ACTIVE
Pmc-sts INCDanburyComputer and Electronic Product Manufacturing334513— ACTIVE
Ptx Defense CorporationDanburyFabricated Metal Product Manufacturing332510— ACTIVE
Sonata Scientific LLCDanburyMachinery Manufacturing333413— ACTIVE
Emhart Fastening TeknologiesDanburyFabricated Metal Product Manufacturing332510— LIKELY ACTIVE
Amphenol CorporationDanburyFabricated Metal Product Manufacturing332721— LIKELY ACTIVE
Bedoukian Research INCDanburyChemical Manufacturing325199100–499 LIKELY ACTIVE
Bedoukian Research, INC.DanburyChemical Manufacturing325199— LIKELY ACTIVE
Cs Clean Solutions, INC.DanburyMachinery Manufacturing333413— REPORTED CLOSED
Gar ElectroformingDanburyFabricated Metal Product Manufacturing332813— LIKELY ACTIVE
Light Rock Spring Water Inc.DanburyBeverage and Tobacco Product Manufacturing3121111–19 LIKELY ACTIVE
O & G IndustriesDanburyNonmetallic Mineral Product Manufacturing327310— LIKELY ACTIVE
Tilcon Hot Mix AsphaltDanburyPetroleum and Coal Products Manufacturing324121— LIKELY ACTIVE
Belimo U.s. INC.DanburyComputer and Electronic Product Manufacturing334512500+ LIKELY ACTIVE
Schaeffler Aerospace USA CORPDanburyFabricated Metal Product Manufacturing332991100–499 REPORTED CLOSED
Allied Sinterings Powder Metal ProductsDanburyPrimary Metal Manufacturing3312211–19 LIKELY ACTIVE
Chem-tron CO.DanburyFabricated Metal Product Manufacturing3328131–19 UNVERIFIED

Search all 3,653 Connecticut facilities