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Manufacturing facilities in Connecticut

Map, counties and cities
Map of United States manufacturing facilities

Biggest counties

Capitol970South Central Connecticut596Naugatuck Valley501Western Connecticut364Greater Bridgeport224Lower Connecticut River Valley174Southeastern Connecticut165Northeastern Connecticut143
All 9 counties

Biggest cities

Federal labor statistics counted at least 4,539 manufacturing establishments in Connecticut in 2024, employing about 155,593 people, counting only the industry subsectors the Bureau of Labor Statistics discloses at this level. This registry lists 3,379, about 74% of that figure.

Facilities in Connecticut3,379 FACILITIES

FacilityCityIndustryNAICSEmployeesStatus
Advanced Adhesive Systems INCNewingtonChemical Manufacturing32552020–99 LIKELY ACTIVE
Algonquin Div Rea Magnetic WiresGuilfordPrimary Metal Manufacturing33122220–99 LIKELY ACTIVE
Allnex USA Inc., Wallingford Ct PlantWallingfordChemical Manufacturing325211100–499 LIKELY ACTIVE
American Heat TreatingMonroeFabricated Metal Product Manufacturing33281120–99 LIKELY ACTIVE
Barnes AerospaceWindsorTransportation Equipment Manufacturing336412— LIKELY ACTIVE
Biomerics Nle LLCMonroeFabricated Metal Product Manufacturing332721— LIKELY ACTIVE
Builders Concrete EastWindhamNonmetallic Mineral Product Manufacturing32732020–99 LIKELY ACTIVE
Davis-standard CORPPawcatuckPlastics and Rubber Products Manufacturing326199100–499 LIKELY ACTIVE
Emhart Fastening TeknologiesDanburyFabricated Metal Product Manufacturing332510— LIKELY ACTIVE
Ensign Bickford Aerospace & Defense COSimsburyFabricated Metal Product Manufacturing332992500+ LIKELY ACTIVE
Fairfield County Millwork INC.BethanyWood Product Manufacturing32191820–99 LIKELY ACTIVE
Gems SensorsPlainvilleComputer and Electronic Product Manufacturing334513100–499 LIKELY ACTIVE
Nucor Steel Connecticut, INC.WallingfordPrimary Metal Manufacturing33111020–99 LIKELY ACTIVE
Petit Tool CO. theThomastonFabricated Metal Product Manufacturing332710— LIKELY ACTIVE
Raf Electronic HardwareSeymourFabricated Metal Product Manufacturing332721100–499 LIKELY ACTIVE
Sterling Sintered Technologies INCWinstedFabricated Metal Product Manufacturing33211720–99 LIKELY ACTIVE
Stewart Efi Ct LLCThomastonFabricated Metal Product Manufacturing33211920–99 LIKELY ACTIVE
Sumitomo Bakelite North America, INC.ManchesterChemical Manufacturing32521120–99 LIKELY ACTIVE
Talalay Global, INC.SheltonPlastics and Rubber Products Manufacturing326299100–499 LIKELY ACTIVE
Ulbrich Specialty Strip MillWallingfordPrimary Metal Manufacturing331221100–499 LIKELY ACTIVE
U S Chrome CorporationStratfordFabricated Metal Product Manufacturing33281320–99 LIKELY ACTIVE
E & J Parts Cleaning COWaterburyFabricated Metal Product Manufacturing332813— UNVERIFIED
3333 LLCManchesterMiscellaneous Manufacturing339999— LIKELY ACTIVE
Advanced Machining Technologies L.l.cPlainvilleFabricated Metal Product Manufacturing332710— LIKELY ACTIVE
Aerocision LLCChesterTransportation Equipment Manufacturing33641220–99 LIKELY ACTIVE
Ahlstrom-munksjo Nonwovens LLCWindsor LocksTextile Mills313230— LIKELY ACTIVE
American Greenfuels, LLCNew HavenChemical Manufacturing325193— LIKELY ACTIVE
American Sleeve BearingStafford SpringsFabricated Metal Product Manufacturing33271020–99 LIKELY ACTIVE
Amphenol Spectra StripHamdenFabricated Metal Product Manufacturing332618— LIKELY ACTIVE
Bedoukian Research, INC.DanburyChemical Manufacturing325199— LIKELY ACTIVE
Bell Power SystemsEssexMachinery Manufacturing33361820–99 LIKELY ACTIVE
Birk Manufacturing, INC.East LymeComputer and Electronic Product Manufacturing334419100–499 LIKELY ACTIVE
Blakeslee Prestress INCBranfordNonmetallic Mineral Product Manufacturing327390100–499 LIKELY ACTIVE
Bollore, INC.DayvillePaper Manufacturing32222120–99 LIKELY ACTIVE
Bracone Metal Spinning, INC.SouthingtonTransportation Equipment Manufacturing336412— LIKELY ACTIVE
Brookwood Laminating INC.PlainfieldTextile Mills313310— LIKELY ACTIVE
Clinton Instrument CO theClintonComputer and Electronic Product Manufacturing3344191–19 LIKELY ACTIVE
Colt Manufacturing CompanyWest HartfordFabricated Metal Product Manufacturing332994— LIKELY ACTIVE
Columbia Manufacturing, INC.ColumbiaTransportation Equipment Manufacturing33641220–99 LIKELY ACTIVE
Combined Metals of ChicagoBristolPrimary Metal Manufacturing3312211–19 LIKELY ACTIVE
Coreslab Structures (conn), INCThomastonNonmetallic Mineral Product Manufacturing32739020–99 LIKELY ACTIVE
Covidien LP (formerly U S Surgical CORP /tyco Healthcare Group)North HavenMiscellaneous Manufacturing339112— LIKELY ACTIVE
Dcg Precision Manufacturing Limited Liability CompanyBethelFabricated Metal Product Manufacturing332710— LIKELY ACTIVE
Donham CraftNaugatuckFabricated Metal Product Manufacturing332813— LIKELY ACTIVE
Echo Manufacturing CO INCWaterburyFabricated Metal Product Manufacturing332813— LIKELY ACTIVE
Flagship Converters, INCDanburyPlastics and Rubber Products Manufacturing32611220–99 LIKELY ACTIVE
Frito Lay IncorporatedDayvilleFood Manufacturing311919— LIKELY ACTIVE
Fuelcell Energy INCDanburyComputer and Electronic Product Manufacturing334413100–499 LIKELY ACTIVE
Gbc Metals LLC Somers Thin StripWaterburyPrimary Metal Manufacturing331420— LIKELY ACTIVE
Glacier Computer LLCNew MilfordComputer and Electronic Product Manufacturing334111— LIKELY ACTIVE

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