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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
L.c.doane Company,theIvorytonElectrical Equipment, Appliance & Component Manufacturing33512220–99 ACTIVE
Ldm Manufacturing, INCPlainvilleFabricated Metal Product Manufacturing3327101–19 ACTIVE
Legere Group, LTDAvonFurniture and Related Product Manufacturing337110100–499 ACTIVE
Lehvoss North America INC.PawcatuckPlastics and Rubber Products Manufacturing32619920–99 ACTIVE
Leon De Oro USA INC.North BranfordMiscellaneous Manufacturing3399991–19 ACTIVE
Lesro Industries, INC.BloomfieldFurniture and Related Product Manufacturing33712720–99 ACTIVE
Lex Products, LLCSheltonElectrical Equipment, Appliance & Component Manufacturing335311— ACTIVE
Liftline Capital, LLCOld SaybrookMiscellaneous Manufacturing33994020–99 ACTIVE
Light Metals Coloring Company, INC.SouthingtonFabricated Metal Product Manufacturing33281320–99 ACTIVE
Light Sources INCOrangeElectrical Equipment, Appliance & Component Manufacturing335110100–499 ACTIVE
Lightstat Inc.BarkhamstedMiscellaneous Manufacturing3399991–19 ACTIVE
Linde Gas & Equipment INC.DanburyChemical Manufacturing325120— ACTIVE
Linemaster Switch CorporationWoodstockElectrical Equipment, Appliance & Component Manufacturing335314— ACTIVE
Lingol CorporationWallingfordPlastics and Rubber Products Manufacturing3261301–19 ACTIVE
Little House Brewing LLCChesterBeverage and Tobacco Product Manufacturing3121201–19 ACTIVE
Lk Precision LLCNew BritainTransportation Equipment Manufacturing3364121–19 ACTIVE
L.m. Gill Welding & Manufacturing, L.l.c.ManchesterFabricated Metal Product Manufacturing33271020–99 ACTIVE
Lorenco Industries, INC.BethelPrinting and Related Support Activities3231131–19 ACTIVE
L & P Gate Company INCHartfordFabricated Metal Product Manufacturing3323231–19 ACTIVE
Luvata Waterbury, INC.WaterburyPrimary Metal Manufacturing331420100–499 ACTIVE
Lynn Welding CO INCNewingtonFabricated Metal Product Manufacturing33299920–99 ACTIVE
Lyons Tool & Die Company,theMeridenFabricated Metal Product Manufacturing33211920–99 ACTIVE
Macdermid Enthone INC.West HavenChemical Manufacturing325998100–499 ACTIVE
Maco Machinery Co., INC.North BranfordMachinery Manufacturing3336121–19 ACTIVE
Madison CompanyBranfordComputer and Electronic Product Manufacturing33451320–99 ACTIVE
Madison Polymeric Engineering, INC.BranfordPlastics and Rubber Products Manufacturing32615020–99 ACTIVE
Magna Steel Sales, INC.Beacon FallsFabricated Metal Product Manufacturing3323121–19 ACTIVE
Magnetic Technologies LTDPutnamMachinery Manufacturing33361320–99 ACTIVE
Mallory Industries, IncorporatedFarmingtonTransportation Equipment Manufacturing33641220–99 ACTIVE
Manchester Awning & Canvas Products, LLCManchesterTextile Product Mills3149101–19 ACTIVE
Mannkind CorporationDanburyChemical Manufacturing325199100–499 ACTIVE
Manufacturers Service Company, IncorporatedWoodbridgeFabricated Metal Product Manufacturing3323221–19 ACTIVE
Markal Finishing COBridgeportPaper Manufacturing3222201–19 ACTIVE
Marlborough Plastics, INC.MarlboroughPlastics and Rubber Products Manufacturing3261991–19 ACTIVE
Marmon Utility LLCSeymourPrimary Metal Manufacturing331491100–499 ACTIVE
Martin Rosol's, INC.New BritainFood Manufacturing311612— ACTIVE
Massconn Distributors Cpl, INC.South WindsorFood Manufacturing311812100–499 ACTIVE
Mb Aerospace East Granby, Limited PartnershipEast GranbyTransportation Equipment Manufacturing336412100–499 ACTIVE
Mcmellon Bros., IncorporatedStratfordFabricated Metal Product Manufacturing33271020–99 ACTIVE
Mega Precision LLCNewingtonFabricated Metal Product Manufacturing332710— ACTIVE
Mercantile Development INCSheltonPaper Manufacturing32229920–99 ACTIVE
Mercury Scientific INC.NewtownComputer and Electronic Product Manufacturing3345161–19 ACTIVE
Meriden Manufacturing, INCMeridenTransportation Equipment Manufacturing33641220–99 ACTIVE
MetalCraft LLCBantamFabricated Metal Product Manufacturing33231320–99 ACTIVE
Metal Finishing Technologies, LLCBristolFabricated Metal Product Manufacturing33281320–99 ACTIVE
Metal Improvement Company, LLC.WindsorFabricated Metal Product Manufacturing33281120–99 ACTIVE
Metal Industries, INC.HartfordFabricated Metal Product Manufacturing332710— ACTIVE
Metallizing Service Company Holdings, LLCWest HartfordFabricated Metal Product Manufacturing33281220–99 ACTIVE
Microboard Processing, INC.SeymourComputer and Electronic Product Manufacturing334418— ACTIVE
Microcare, LLCNew BritainChemical Manufacturing325612— ACTIVE

Search all 3,649 Connecticut facilities