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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 Connecticut63 FACILITIES

Listing 63 of 106: the facilities with a website, a size band or two sources on record. The rest are in site search.

FacilityCityIndustryNAICSEmployeesStatus
Component Engineers, INCWallingfordMachinery Manufacturing33351420–99 ACTIVE
Corru-seals, INC.WallingfordMiscellaneous Manufacturing3399911–19 ACTIVE
Dexmet CorporationWallingfordChemical Manufacturing325510— ACTIVE
Jet Process CORPWallingfordComputer and Electronic Product Manufacturing3344131–19 ACTIVE
Lingol CorporationWallingfordPlastics and Rubber Products Manufacturing3261301–19 ACTIVE
New England Cider CompanyWallingfordBeverage and Tobacco Product Manufacturing3121301–19 ACTIVE
Pauway CORP.WallingfordFabricated Metal Product Manufacturing33261820–99 ACTIVE
Proton Energy Systems INCWallingfordChemical Manufacturing325120100–499 ACTIVE
Quality Engineering Services INCWallingfordFabricated Metal Product Manufacturing33271020–99 ACTIVE
Technical Allied Products, INC.WallingfordComputer and Electronic Product Manufacturing3344191–19 ACTIVE
Times Microwave Systems, INCWallingfordComputer and Electronic Product Manufacturing334417100–499 ACTIVE
Cyvek INCWallingfordComputer and Electronic Product Manufacturing334516— ACTIVE
Dne Technologies, INCWallingfordComputer and Electronic Product Manufacturing334210— ACTIVE
High Energy X-rays International CORP.WallingfordComputer and Electronic Product Manufacturing334517— ACTIVE
Measurement Systems INCWallingfordElectrical Equipment, Appliance & Component Manufacturing335314— ACTIVE
Radiall USA INCWallingfordComputer and Electronic Product Manufacturing33441720–99 ACTIVE
Ross Machinery Sales, INC.WallingfordMachinery Manufacturing333517— ACTIVE
Samarius Precision Instruments, INC.WallingfordComputer and Electronic Product Manufacturing334416— ACTIVE
SensorworxWallingfordElectrical Equipment, Appliance & Component Manufacturing335132— ACTIVE
Z-medica, LLCWallingfordMiscellaneous Manufacturing339113— ACTIVE
Allied Precision Components LLCWallingfordFabricated Metal Product Manufacturing332710— ACTIVE
Mutualink, INC.WallingfordComputer and Electronic Product Manufacturing334220— ACTIVE
Oberg Medical Finishing Solutions CenterWallingfordMiscellaneous Manufacturing33911220–99 ACTIVE
Power Controls, INC.WallingfordElectrical Equipment, Appliance & Component Manufacturing335999— ACTIVE
Scalables, LLCWallingfordComputer and Electronic Product Manufacturing334516— ACTIVE
Trace Sensing Technologies, INC.WallingfordMiscellaneous Manufacturing339112— ACTIVE
Unholtz-dickie CORPWallingfordComputer and Electronic Product Manufacturing33451920–99 ACTIVE
United Concrete Products INC.WallingfordNonmetallic Mineral Product Manufacturing327390— ACTIVE
Allnex USA INC -wallingford Ct PlantWallingfordChemical Manufacturing325211100–499 LIKELY ACTIVE
Matthew's Printing INC.WallingfordPrinting and Related Support Activities3231101–19 LIKELY ACTIVE
Nucor Steel Connecticut, INC.WallingfordPrimary Metal Manufacturing33111020–99 LIKELY ACTIVE
Ulbrich Specialty Strip MillWallingfordPrimary Metal Manufacturing331221100–499 LIKELY ACTIVE
Ametek Specialty Metal ProductWallingfordPrimary Metal Manufacturing331318— LIKELY ACTIVE
Ferti Technologies Ct CORPWallingfordChemical Manufacturing325314— LIKELY ACTIVE
Roehm America LLCWallingfordChemical Manufacturing325211— LIKELY ACTIVE
Chromalloy ConnecticutWallingfordFabricated Metal Product Manufacturing332999— LIKELY ACTIVE
Tilcon Crushed Stone AsphaltWallingfordPetroleum and Coal Products Manufacturing324121— LIKELY ACTIVE
Tech Circuits INCWallingfordComputer and Electronic Product Manufacturing334412— UNVERIFIED
APS Tech LLCWallingfordMachinery Manufacturing33313220–99 LIKELY ACTIVE
Ct HypodermicsWallingfordMiscellaneous Manufacturing339111— LIKELY ACTIVE
Fastenal CompanyWallingfordFabricated Metal Product Manufacturing332710100–499 LIKELY ACTIVE
Fries Spinning & Stamping, IncorporatedWallingfordFabricated Metal Product Manufacturing332119— LIKELY ACTIVE
Technical Metal FinishingWallingfordTransportation Equipment Manufacturing336412— LIKELY ACTIVE
Byk USA INCWallingfordChemical Manufacturing325510— LIKELY ACTIVE
Corometrics FacilityWallingfordFabricated Metal Product Manufacturing332722— LIKELY ACTIVE
Allegheny Ludlum Steel Strip PlantWallingfordPrimary Metal Manufacturing331110— UNVERIFIED
Bristol-myers Squibb Research & DevelopmentWallingfordChemical Manufacturing325412— REPORTED CLOSED
Cytec Ind INCWallingfordChemical Manufacturing325211— UNVERIFIED
Suzio Concrete Co, INC the LWallingfordNonmetallic Mineral Product Manufacturing327320— UNVERIFIED
ThermospasWallingfordPlastics and Rubber Products Manufacturing326191— UNVERIFIED

Search all 3,653 Connecticut facilities