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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
Rotair Aerospace CORPBridgeportTransportation Equipment Manufacturing33641320–99 ACTIVE
Rowley Spring & Stamping CorporationBristolFabricated Metal Product Manufacturing332116100–499 ACTIVE
Royal Machine and Tool CorporationBerlinMachinery Manufacturing33351520–99 ACTIVE
Rpm Industries, INCPortlandPlastics and Rubber Products Manufacturing326199— ACTIVE
Rscc Wire & Cable LLCEast GranbyElectrical Equipment, Appliance & Component Manufacturing335929100–499 ACTIVE
Rsl Fiber Systems LLCEast HartfordElectrical Equipment, Appliance & Component Manufacturing3351321–19 ACTIVE
R Stone Co., LLCBridgeportNonmetallic Mineral Product Manufacturing32799120–99 ACTIVE
Rwt CORPMadisonFabricated Metal Product Manufacturing33299920–99 ACTIVE
Saf Industries LLCMeridenMachinery Manufacturing333995— ACTIVE
Santec CorporationMilfordPaper Manufacturing3222991–19 ACTIVE
Sargent Manufacturing CONew HavenFabricated Metal Product Manufacturing332510500+ ACTIVE
Savin Rock Printing, LLCWest HavenPrinting and Related Support Activities3231131–19 ACTIVE
Scapa North AmericaWindsorPaper Manufacturing322220100–499 ACTIVE
Scope Technology, IncorporatedPlainfieldMiscellaneous Manufacturing3399991–19 ACTIVE
Scott Electrokrafts INCAndoverComputer and Electronic Product Manufacturing33441820–99 ACTIVE
Scrubs and Stuff LLCWest HartfordPaper Manufacturing3222301–19 ACTIVE
Sealed Air CORP - DanburyDanburyChemical Manufacturing32599120–99 ACTIVE
Seconn Fabrication LLCWaterfordFabricated Metal Product Manufacturing33232220–99 ACTIVE
Sedmed INC.MilfordMiscellaneous Manufacturing339113— ACTIVE
Service Press LLCNewingtonPrinting and Related Support Activities323111— ACTIVE
Severance Foods, INC.HartfordFood Manufacturing31183020–99 ACTIVE
Seymour Sheridan INCMonroeFabricated Metal Product Manufacturing33299920–99 ACTIVE
Sgl Automation, LLCWaterfordMachinery Manufacturing3332481–19 ACTIVE
Sheffield Pharmaceuticals, LLCNew LondonChemical Manufacturing325412— ACTIVE
Siemon Company theWatertownComputer and Electronic Product Manufacturing334210100–499 ACTIVE
Sign Lite INCNorth HavenMiscellaneous Manufacturing3399501–19 ACTIVE
Sign Pro, INC.PlantsvilleMiscellaneous Manufacturing33995020–99 ACTIVE
Sikorsky Aircraft CorporationStratfordTransportation Equipment Manufacturing336411— ACTIVE
Simoniz USA INCBoltonChemical Manufacturing325611100–499 ACTIVE
Sirois Tool Company, INC.BerlinMachinery Manufacturing33351420–99 ACTIVE
Sirona Medical Technologies, INC.WindsorMiscellaneous Manufacturing3391121–19 ACTIVE
Skillcraft Machine Tool CompanySouth WindsorFabricated Metal Product Manufacturing33271020–99 ACTIVE
Solventum Purification INC.MeridenPrimary Metal Manufacturing331410100–499 ACTIVE
Somma Tool CO INCWaterburyMachinery Manufacturing33351720–99 ACTIVE
Sonics & Materials INCNewtownComputer and Electronic Product Manufacturing33451620–99 ACTIVE
Sonitek CorporationMilfordMachinery Manufacturing33399220–99 ACTIVE
Sound Manufacturing, INCOld SaybrookFabricated Metal Product Manufacturing33232220–99 ACTIVE
Sousa Corp., theNewingtonFabricated Metal Product Manufacturing3328111–19 ACTIVE
Southwick & Meister, INC.MeridenMachinery Manufacturing33351220–99 ACTIVE
Space Electronics, LLCBerlinComputer and Electronic Product Manufacturing33451120–99 ACTIVE
Spartech LLCStamfordPlastics and Rubber Products Manufacturing32611320–99 ACTIVE
Spec Plating INCBridgeportFabricated Metal Product Manufacturing3328131–19 ACTIVE
Spectral LLCPutnamComputer and Electronic Product Manufacturing3345161–19 ACTIVE
Spectrum Machine & Design, LLCWindsor LocksFabricated Metal Product Manufacturing33271020–99 ACTIVE
Stanchem INCEast BerlinChemical Manufacturing32551020–99 ACTIVE
Stani Dairy, LLCAnsoniaFood Manufacturing3115111–19 ACTIVE
Stanley Wiesen, INC.HartfordFabricated Metal Product Manufacturing33232120–99 ACTIVE
Steeltech Building Products INCSouth WindsorFabricated Metal Product Manufacturing33231220–99 ACTIVE
Sterling Sintered Technologies INCWinstedFabricated Metal Product Manufacturing33211720–99 ACTIVE
Stevens CO INCThomastonFabricated Metal Product Manufacturing33211620–99 ACTIVE

Search all 3,649 Connecticut facilities