FactoryRegistry
Claim a page

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
I. F. Engineering, CORP.North GrosvenordaleComputer and Electronic Product Manufacturing334220— ACTIVE
I-health, INC.CromwellChemical Manufacturing325412— ACTIVE
Illinois Tool Works INCWaterburyTransportation Equipment Manufacturing336370— ACTIVE
Inertia Dynamics LLCNew HartfordMachinery Manufacturing333612100–499 ACTIVE
Infini-d Alchemy, INC.BrookfieldFabricated Metal Product Manufacturing332813— ACTIVE
Intelligent Cutting Solutions, LLCNewingtonFabricated Metal Product Manufacturing332999— ACTIVE
Intensity Therapeutics, INC.SheltonChemical Manufacturing325412— ACTIVE
International Configurations, INCEnfieldElectrical Equipment, Appliance & Component Manufacturing335931— ACTIVE
Interquip-usa, LLCSheltonMachinery Manufacturing333922— ACTIVE
Intrasonics, INC.ThomastonComputer and Electronic Product Manufacturing334419— ACTIVE
Invivyd, INC.New HavenChemical Manufacturing325412— ACTIVE
Ipc Systems INCFairfieldComputer and Electronic Product Manufacturing334210— ACTIVE
Jackster, INC.StratfordApparel Manufacturing315990— ACTIVE
Jammar Mfg. CO. INC.NianticMiscellaneous Manufacturing339920— ACTIVE
Jay Sons Screw Machine Products, INC.PlantsvilleFabricated Metal Product Manufacturing332721— ACTIVE
Jet Process CORPWallingfordComputer and Electronic Product Manufacturing334413— ACTIVE
Jg Creations LLCBrooklynFabricated Metal Product Manufacturing332812— ACTIVE
Johnson Gage Company theBloomfieldComputer and Electronic Product Manufacturing334513— ACTIVE
Joining Technologies LLCEast GranbyElectrical Equipment, Appliance & Component Manufacturing335999— ACTIVE
J. R. Merritt Controls, INC.StratfordMachinery Manufacturing333923— ACTIVE
J. Steele Services LLCMysticMiscellaneous Manufacturing339999— ACTIVE
K4 Machining LLCWaterburyFabricated Metal Product Manufacturing332710— ACTIVE
Kahn Industries, INCEast HamptonComputer and Electronic Product Manufacturing334513— ACTIVE
Kaman Aerospace Group INCBloomfieldTransportation Equipment Manufacturing336413— ACTIVE
Kaman CORPBloomfieldTransportation Equipment Manufacturing336413— ACTIVE
Karas Engineering Company, INC.TorringtonFabricated Metal Product Manufacturing332710— ACTIVE
Kent Scientific CorporationTorringtonMiscellaneous Manufacturing339112— ACTIVE
Kenz IncorporatedOxfordFabricated Metal Product Manufacturing332710— ACTIVE
Kimchuk, IncorporatedDanburyComputer and Electronic Product Manufacturing334418— ACTIVE
Knee-necks, LLCSuffieldApparel Manufacturing315990— ACTIVE
Kolga, LLCBeacon FallsMachinery Manufacturing333998— ACTIVE
Kongsberg Actuation Systems Ii, LLC.SuffieldPlastics and Rubber Products Manufacturing326220— ACTIVE
Lamor USA CorporationSheltonPlastics and Rubber Products Manufacturing326199— ACTIVE
Lani a HaydukMilfordPlastics and Rubber Products Manufacturing326199— ACTIVE
Layne Lubrications LLCBridgeportPetroleum and Coal Products Manufacturing324191— ACTIVE
L.b.i., INC.GrotonTransportation Equipment Manufacturing336611— ACTIVE
Ldm Manufacturing, INCPlainvilleFabricated Metal Product Manufacturing332710— ACTIVE
Lenz Enterprises, LLCMiddletownChemical Manufacturing325998— ACTIVE
Leon De Oro USA INC.North BranfordMiscellaneous Manufacturing339999— ACTIVE
Libby Power Systems, LLCBethanyElectrical Equipment, Appliance & Component Manufacturing335312— ACTIVE
Lido Designs INC.BrookfieldFabricated Metal Product Manufacturing332323— ACTIVE
Lifepharms LLCNew LondonChemical Manufacturing325414— ACTIVE
Linde Gas & Equipment INC.DanburyChemical Manufacturing325120— ACTIVE
Linde INC.DanburyChemical Manufacturing325120— ACTIVE
Liq, LLCWest HavenElectrical Equipment, Appliance & Component Manufacturing335132— ACTIVE
Lk Precision LLCNew BritainTransportation Equipment Manufacturing336412— ACTIVE
L.m. Gill Welding & Manufacturing, L.l.c.ManchesterFabricated Metal Product Manufacturing332710— ACTIVE
Loclicious LLCOxfordChemical Manufacturing325620— ACTIVE
Longhini Sausage PlantNew HavenFood Manufacturing31161220–99 ACTIVE
Loos & CO INCPomfret CenterTransportation Equipment Manufacturing336413— ACTIVE

Search all 3,379 Connecticut facilities