Discover manufacturers in Connecticut. Our directory features 157 listed manufacturing companies offering manufacturing services across Connecticut.

Key Manufacturing Industries in Connecticut

  • Aerospace
  • Defense
  • Precision Manufacturing
  • Advanced Materials

Manufacturing Economy Facts

  • Leading aerospace manufacturing with Pratt & Whitney, Sikorsky, and Collins Aerospace
  • Major defense contractor hub with General Dynamics Electric Boat and Lockheed Martin
  • High concentration of precision manufacturing and advanced materials companies
  • Home to over 4,000 manufacturing companies
  • Third-highest manufacturing productivity per worker in the US

Manufacturing Advantages in Connecticut

  • Highly skilled and educated manufacturing workforce
  • Proximity to major Northeast markets and ports
  • Strong R&D infrastructure and university partnerships
  • Advanced manufacturing technology adoption
  • Established supply chain networks
  • Access to capital and investment resources

Transportation Infrastructure

Major Airports

  • Bradley International Airport
  • Tweed New Haven Airport
  • Waterbury-Oxford Airport

Top Manufacturing Hubs in Connecticut (view other states)

Connecticut Manufacturers by Industry

Open an industry page when you need a food, automotive, pharmaceutical, chemical, or other category-specific shortlist in Connecticut.

Popular Manufacturing Services in Connecticut

Listed Manufacturing Companies in Connecticut

📍 West Hartford, CT

Custom CabinetryFurniture ManufacturingKitchen Cabinets

AB Electronics LLC

Electronics

📍 Brookfield, CT

Contract ManufacturingPCB AssemblyCable Assemblies

📍 Branford, CT

Pharmaceutical IntermediatesBuilding BlocksCustom Synthesis

Accutron Inc

Electronics

📍 Windsor, CT

PCB AssemblySMT AssemblySystem Integration

📍 South Windsor, CT

Precision CNC TurningAerospace ComponentsMedical Device Parts

📍 Mystic, CT

Custom Wire FormsWelded Wire ComponentsMetal Component Parts

ACMT Inc

Chemicals

📍 Manchester, CT

Resin EpoxiesPolyurethanesSilicone Formulations

Adlon Therapeutics LP

Pharmaceuticals

📍 Stamford, CT

ADHD MedicationsSpecialty PharmaceuticalsCNS Therapeutics

📍 Manchester, CT

Injection MoldsPrecision ToolingMold Design

📍 Bristol, CT

Metal FabricationPrecision WeldingCustom Steel Work

📍 Torrington, CT

PCB AssemblySurface Mount TechnologyThrough Hole Assembly

📍 West Haven, CT

Turkish Cotton ProductsBath TowelsBathrobes