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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
Walz & Krenzer INCOxfordFabricated Metal Product Manufacturing3323121–19 ACTIVE
W and G Machine Company, IncorporatedHamdenTransportation Equipment Manufacturing3364111–19 ACTIVE
Ward Leonard Ct LLCThomastonElectrical Equipment, Appliance & Component Manufacturing335312100–499 ACTIVE
Watercure FarmPomfret CenterBeverage and Tobacco Product Manufacturing3121401–19 ACTIVE
Watertown Plastics, INCWatertownPlastics and Rubber Products Manufacturing32619920–99 ACTIVE
Wces INCWaterburyFabricated Metal Product Manufacturing3329991–19 ACTIVE
Weigh & Test Systems, INC.RiversideComputer and Electronic Product Manufacturing3345191–19 ACTIVE
Wepco Plastics INCMiddlefieldPlastics and Rubber Products Manufacturing32619920–99 ACTIVE
West Hartford Stairs & Cabinets, INC.NewingtonWood Product Manufacturing321918— ACTIVE
Westminster Tool, INCPlainfieldFabricated Metal Product Manufacturing33271020–99 ACTIVE
Whelen Engineering Company, INC.ChesterTransportation Equipment Manufacturing336320500+ ACTIVE
Whitcraft LLCEastfordTransportation Equipment Manufacturing336412— ACTIVE
Whitman Controls LLCBristolComputer and Electronic Product Manufacturing3345131–19 ACTIVE
Whyco Finishing Tech INCThomastonFabricated Metal Product Manufacturing3328131–19 ACTIVE
Willington Nameplate INC.Stafford SpringsFabricated Metal Product Manufacturing33281220–99 ACTIVE
Winchester Interconnect CorporationMilfordComputer and Electronic Product Manufacturing334417— ACTIVE
Winslow Automatics INCNew BritainFabricated Metal Product Manufacturing33272120–99 ACTIVE
Wiretek, INC.BloomfieldElectrical Equipment, Appliance & Component Manufacturing3359291–19 ACTIVE
Woodland Power ProductsWest HavenMachinery Manufacturing33311220–99 ACTIVE
W & W Machine CO INCMilfordFabricated Metal Product Manufacturing3327101–19 ACTIVE
Yankee Casting Co, INCEnfieldPrimary Metal Manufacturing33152120–99 ACTIVE
Zavarella Woodworking, INC.NewingtonWood Product Manufacturing321918— ACTIVE
3duxdesign LLCFairfieldMiscellaneous Manufacturing339930— ACTIVE
3t Lighting, INC.BrookfieldElectrical Equipment, Appliance & Component Manufacturing335131— ACTIVE
901 D, LLCNew LondonFabricated Metal Product Manufacturing3329991–19 ACTIVE
Ab Electronics LLCDanburyComputer and Electronic Product Manufacturing334418— ACTIVE
Ab Photonics IncorporatedGuilfordComputer and Electronic Product Manufacturing334510— ACTIVE
A & D Equipment INCGuilfordMachinery Manufacturing333120— ACTIVE
Adia INCCromwellMachinery Manufacturing333248— ACTIVE
Advance Development & Manufacturing CorporationGuilfordFabricated Metal Product Manufacturing3327101–19 ACTIVE
Aerobond Composites, LLCEnfieldTransportation Equipment Manufacturing336413— ACTIVE
Aeronautix Precision, LLCOld SaybrookFabricated Metal Product Manufacturing332710— ACTIVE
Aerotek Welding Co., INC.South WindsorTransportation Equipment Manufacturing336412— ACTIVE
Aircraft Welding & Manufacturing Co, LLCHartfordFabricated Metal Product Manufacturing3325101–19 ACTIVE
Airline Accessory Service Company, LLCHamdenTransportation Equipment Manufacturing336413— ACTIVE
Albany Fiber Optics LLCDanielsonElectrical Equipment, Appliance & Component Manufacturing335921— ACTIVE
Allied Machining Co., INC.NewingtonFabricated Metal Product Manufacturing332710— ACTIVE
Alloy Welding & Manufacturing Co, INCBristolFabricated Metal Product Manufacturing3329991–19 ACTIVE
Alternative Dental LaboratoryNorth HavenMiscellaneous Manufacturing33911620–99 ACTIVE
Amazon Dental Lab LLCWest HavenMiscellaneous Manufacturing339116— ACTIVE
American Millwork Group LLCBridgeportFurniture and Related Product Manufacturing337212— ACTIVE
Ammunition Storage Components LLCNew BritainFabricated Metal Product Manufacturing332994— ACTIVE
Ampvisions LLCOrangeComputer and Electronic Product Manufacturing334413— ACTIVE
A.p.c.m. Manufacturing LLCPlainfieldChemical Manufacturing3255201–19 ACTIVE
Apm Machine LLCPlainvilleFabricated Metal Product Manufacturing332710— ACTIVE
Architectural System Fabricators LLCSouthingtonFabricated Metal Product Manufacturing332999— ACTIVE
Arch Medical Solutions - Newtown, LLCNewtownFabricated Metal Product Manufacturing332710— ACTIVE
Armada Brewing, LLCNew HavenBeverage and Tobacco Product Manufacturing312130— ACTIVE
Associated Boiler Line Equipment Co., INC.MilfordMachinery Manufacturing3334141–19 ACTIVE
Associated X-ray CorporationEast HavenComputer and Electronic Product Manufacturing334517— ACTIVE

Search all 3,653 Connecticut facilities