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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 Connecticut2,571 FACILITIES

Listing 2,571 of 3,653: the facilities with a website, a size band or two sources on record. The rest are in site search.

FacilityCityIndustryNAICSEmployeesStatus
Abbott Ball Company theWest HartfordPrimary Metal Manufacturing33111120–99 ACTIVE
Abet Technologies, INCMilfordMachinery Manufacturing3332481–19 ACTIVE
A B & F Sheet Metal Products INC.CheshireFabricated Metal Product Manufacturing3323221–19 ACTIVE
Abyrx INCStamfordMiscellaneous Manufacturing33911320–99 ACTIVE
Accel International Holdings, INC.MeridenFabricated Metal Product Manufacturing332618100–499 ACTIVE
Accurate Acquisition LLCStamfordFabricated Metal Product Manufacturing3327101–19 ACTIVE
Accu-rite Tool & Manufacturing CO INCTollandFabricated Metal Product Manufacturing3327211–19 ACTIVE
Accu-tek Engineering, INCPlantsvilleFabricated Metal Product Manufacturing3327101–19 ACTIVE
Accuturn Manufacturing Co, LLCSouth WindsorMiscellaneous Manufacturing3399991–19 ACTIVE
Ace and Company, INCNaugatuckComputer and Electronic Product Manufacturing334417100–499 ACTIVE
Acme-monaco CorporationNew BritainFabricated Metal Product Manufacturing332611100–499 ACTIVE
Acme Wire Products Company, Inc.MysticFabricated Metal Product Manufacturing33261820–99 ACTIVE
Acmt, INC.ManchesterFabricated Metal Product Manufacturing33299920–99 ACTIVE
Act Robots, INCBristolMachinery Manufacturing3332481–19 ACTIVE
Advanced Adhesive Systems INCNewingtonChemical Manufacturing32552020–99 ACTIVE
Advanced Fusion Systems, LLCNewtownComputer and Electronic Product Manufacturing33441920–99 ACTIVE
Advanced Graphics, IncorporatedStratfordFabricated Metal Product Manufacturing332812— ACTIVE
Advanced Machining Technologies L.l.cPlainvilleFabricated Metal Product Manufacturing332710— ACTIVE
Advanced Manufacturing LLCWindsorFabricated Metal Product Manufacturing332312— ACTIVE
Advanced Micro Controls, INC.TerryvilleComputer and Electronic Product Manufacturing33451320–99 ACTIVE
Advanced Performance Glass INCEast HartfordFabricated Metal Product Manufacturing33232120–99 ACTIVE
Advanced Torque Products, LLCNewingtonFabricated Metal Product Manufacturing3322121–19 ACTIVE
Aeis Engineered Inserts & Systems INC.MilfordFabricated Metal Product Manufacturing3327211–19 ACTIVE
Aerocor INCEast WindsorTransportation Equipment Manufacturing3364121–19 ACTIVE
Aero Gear IncorporatedWindsorTransportation Equipment Manufacturing336412100–499 ACTIVE
Aerospace Techniques, INC.MiddletownTransportation Equipment Manufacturing33641220–99 ACTIVE
Afcon Products, INC.BethanyElectrical Equipment, Appliance & Component Manufacturing3353121–19 ACTIVE
A.g.a. Architectural Millwork & Interior Design LLCSouthingtonWood Product Manufacturing3219991–19 ACTIVE
Agissar CORPStratfordMachinery Manufacturing33331020–99 ACTIVE
Ahlstrom USA INCWindsor LocksTextile Mills313230100–499 ACTIVE
Airborne Industries INC.BranfordTextile Product Mills3149991–19 ACTIVE
Airex Rubber Products CorporationPortlandPlastics and Rubber Products Manufacturing32629920–99 ACTIVE
Air-lock, IncorporatedMilfordFabricated Metal Product Manufacturing33251020–99 ACTIVE
AirpotNorwalkMachinery Manufacturing33331920–99 ACTIVE
Air-vac Engineering Company INCSeymourMachinery Manufacturing33399220–99 ACTIVE
Ai-tek Instruments LLCCheshireComputer and Electronic Product Manufacturing33451920–99 ACTIVE
Aiw-alton INCWindsor LocksTransportation Equipment Manufacturing3364131–19 ACTIVE
A.j. Tool Company, INCNewingtonFabricated Metal Product Manufacturing3327101–19 ACTIVE
A.k.o. INC.WindsorComputer and Electronic Product Manufacturing3345191–19 ACTIVE
Alinabal LLCMilfordFabricated Metal Product Manufacturing332112100–499 ACTIVE
Allegion Access Technologies LLCFarmingtonFabricated Metal Product Manufacturing332321100–499 ACTIVE
Allied Printing Services, INC.ManchesterPrinting and Related Support Activities323110100–499 ACTIVE
Alloy Specialties LLCManchesterTransportation Equipment Manufacturing33641220–99 ACTIVE
Alpha Q, INC.ColchesterFabricated Metal Product Manufacturing332710100–499 ACTIVE
Altek Electronics, INC.TorringtonComputer and Electronic Product Manufacturing334418100–499 ACTIVE
Alternative Prosthetic Services, INCBridgeportMiscellaneous Manufacturing3391131–19 ACTIVE
Aluminum Finishing CompanyBridgeportFabricated Metal Product Manufacturing33281320–99 ACTIVE
Amco Precision Tools LLCBerlinTransportation Equipment Manufacturing33641120–99 ACTIVE
American Electro Prods INCWaterburyFabricated Metal Product Manufacturing332813100–499 ACTIVE
American Heat TreatingMonroeFabricated Metal Product Manufacturing33281120–99 ACTIVE

Search all 3,653 Connecticut facilities