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Manufacturing facilities in Connecticut

The register lists 3649 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

Capitol1,057South Central Connecticut636Naugatuck Valley541Western Connecticut398Greater Bridgeport244Lower Connecticut River Valley183Southeastern Connecticut179Northeastern Connecticut152
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 3,649, about 83% of that figure.

Facilities in Connecticut2,569 FACILITIES

Listing 2,569 of 3,649: the facilities with a website, a size band or two sources on record. The rest are in site search.

FacilityCityIndustryNAICSEmployeesStatus
E & J Parts Cleaning COWaterburyFabricated Metal Product Manufacturing33281320–99 ACTIVE
Electric Boat CompanyGrotonTransportation Equipment Manufacturing336611500+ ACTIVE
Electric Cable CompoundsNaugatuckChemical Manufacturing32521220–99 ACTIVE
Electro-methods, INC.South WindsorTransportation Equipment Manufacturing336412100–499 ACTIVE
Electro-methods, L.p.South WindsorTransportation Equipment Manufacturing336412100–499 ACTIVE
Electro Technologies INCCheshireFabricated Metal Product Manufacturing33272120–99 ACTIVE
Elidah INCNewtownComputer and Electronic Product Manufacturing334510— ACTIVE
Elm-cap Industries, INCWest HartfordNonmetallic Mineral Product Manufacturing3273901–19 ACTIVE
Elm Press, Incorporated, theTerryvillePrinting and Related Support Activities32311020–99 ACTIVE
Embalmers' Supply Company, theEast LymeChemical Manufacturing325998— ACTIVE
Emhart Glass Manufacturing INCWindsorPrinting and Related Support Activities323111100–499 ACTIVE
Empire Industries, Inc.ManchesterFabricated Metal Product Manufacturing332999100–499 ACTIVE
Empire Tool LLCDerbyMachinery Manufacturing3335111–19 ACTIVE
Enfield Technologies LLCTrumbullFabricated Metal Product Manufacturing3329121–19 ACTIVE
Enfield Testing & Balancing, INC.EnfieldTransportation Equipment Manufacturing336413— ACTIVE
Enjet Aero Bloomfield, LLCBloomfieldTransportation Equipment Manufacturing336412100–499 ACTIVE
Ensign Bickford Aerospace & Defense COSimsburyFabricated Metal Product Manufacturing332992500+ ACTIVE
Ensinger Precision Components, INC.PutnamPlastics and Rubber Products Manufacturing32619920–99 ACTIVE
Envipco (environmental Products Corporation)NaugatuckMachinery Manufacturing333319100–499 ACTIVE
Environics INC.TollandComputer and Electronic Product Manufacturing3345131–19 ACTIVE
Eppendorf ManufacturingEnfieldPlastics and Rubber Products Manufacturing326199100–499 ACTIVE
E.r.w., LLCPutnamFabricated Metal Product Manufacturing33271020–99 ACTIVE
Essential Trading Systems CORPColchesterComputer and Electronic Product Manufacturing3342901–19 ACTIVE
Esteem Manufacturing CorporationSouth WindsorFabricated Metal Product Manufacturing33271020–99 ACTIVE
Ez Form Cable Technologies, LLCHamdenElectrical Equipment, Appliance & Component Manufacturing33592920–99 ACTIVE
Fairchild Industries INCWinstedFabricated Metal Product Manufacturing3327211–19 ACTIVE
Fairfield County Millwork INC.BethanyWood Product Manufacturing32191820–99 ACTIVE
Fairfield Crystal Technology, LLCNew MilfordMiscellaneous Manufacturing3399991–19 ACTIVE
Faria Beede Instruments, INC.North StoningtonComputer and Electronic Product Manufacturing33451320–99 ACTIVE
Fenn LLCEast BerlinFabricated Metal Product Manufacturing33271020–99 ACTIVE
F & F Concrete Corporation, thePlantsvilleNonmetallic Mineral Product Manufacturing32732020–99 ACTIVE
Fiberoptics Technology, INC.PomfretMachinery Manufacturing333314100–499 ACTIVE
Fiberqa, LLCOld LymeComputer and Electronic Product Manufacturing3345191–19 ACTIVE
Fimor North America, INC.CheshirePlastics and Rubber Products Manufacturing3261501–19 ACTIVE
First Aviation Services INCWestportTransportation Equipment Manufacturing336413100–499 ACTIVE
Fischer Technology, INC.WindsorComputer and Electronic Product Manufacturing33451920–99 ACTIVE
Flagship Converters, INCDanburyPlastics and Rubber Products Manufacturing32611220–99 ACTIVE
Flight Support, INC.North HavenTransportation Equipment Manufacturing336412— ACTIVE
Focus Medical, LLCBethelComputer and Electronic Product Manufacturing3345101–19 ACTIVE
Forestville Manufacturing Company theBristolFabricated Metal Product Manufacturing3327221–19 ACTIVE
Forrest Machine Inc.BerlinFabricated Metal Product Manufacturing33271020–99 ACTIVE
Forster Precision Tool, LLCSeymourFabricated Metal Product Manufacturing3327101–19 ACTIVE
Foster, LLCPutnamChemical Manufacturing32599120–99 ACTIVE
Franklin Producst INCTorringtonTransportation Equipment Manufacturing336360100–499 ACTIVE
Frank Roth CO INCStratfordFabricated Metal Product Manufacturing33272120–99 ACTIVE
Frito-layKillingly (dayville)Food Manufacturing311919— ACTIVE
Fuelcell Energy INCDanburyComputer and Electronic Product Manufacturing334413100–499 ACTIVE
Fuelcell Energy INCTorringtonElectrical Equipment, Appliance & Component Manufacturing335999100–499 ACTIVE
Garrett Printing & Graphics, INC.BristolPrinting and Related Support Activities3231111–19 ACTIVE
Gemco Manufacturing Company, INCSouthingtonFabricated Metal Product Manufacturing332116— ACTIVE

Search all 3,649 Connecticut facilities