Connecticut has become a major hub for electronics manufacturing companies, making significant contributions to diverse fields such as automotive, aerospace, industrial, information technology, and mobile networks. These companies are central in producing indispensable components like connectors, interconnect systems, sensors, and high-speed cables. Others have carved a niche in developing innovative solutions for electronics design and manufacturing. As technology continues to evolve at an unprecedented rate, these manufacturing firms are at the forefront of providing seamless transitions to next-generation devices, thereby playing a pivotal role in the widespread deployment of AI, big data, and other intensive applications.


Top 20 electronics manufacturing companies in Connecticut

1. Amphenol

  • Website: amphenol.com
  • Headquarters: Wallingford, Connecticut, United States
  • Founded: 1932
  • Headcount: 10001+
  • Latest funding type: Post Ipo Debt
  • LinkedIn

Amphenol is a global company that specializes in designing, manufacturing, and marketing connectors, interconnect systems, antennas solutions, sensors, and high-speed cables. They offer a wide range of connector and connector system solutions, including fiber optic, harsh environment, high-speed, power, and RF interconnect products. They also provide sensor-based solutions such as gas and moisture sensors, position sensors, and temperature sensors. In addition, Amphenol offers cable assemblies, harnesses, cable management products, and backplane interconnect systems. Their products cater to various industries including automotive, aerospace, industrial, information technology, military, and mobile networks.


2. MacDermid Alpha Electronics Solutions

MacDermid Alpha Electronics Solutions is a company that offers integrated solutions in electronics design and manufacturing. They provide unmatched capabilities in electronics circuitry, assembly, and semiconductor divisions. Their products and solutions bridge the performance gap to next-generation devices, enabling the widespread deployment of big data, AI, and other intensive applications.


3. Dymax

  • Website: dymax.com
  • Headquarters: Torrington, Connecticut, United States
  • Founded: 1980
  • Headcount: 201-500
  • LinkedIn

Dymax is a company that specializes in developing and providing innovative light-curable materials, dispense equipment, and UV/LED light-curing systems. They offer solutions to improve manufacturing efficiencies in various industries, including consumer electronics, medical devices, automotive electronics, aerospace and defense. With a wide portfolio of coatings, adhesives, encapsulants, and thermal interface materials, Dymax helps protect and enhance the performance of electronic components. They are known for their cutting-edge, environmentally friendly technologies.


4. Times Microwave Systems

Times Microwave Systems is a global leader in coaxial transmission line technology and production. They offer reliable and high-performing cable solutions for a wide range of industries, including medical electronics, land mobile radios, missiles, shipboard environments, and more. Their products are designed to meet the most demanding and critical applications, providing continuous real-time data transmission and maintaining phase stability in extreme environments.


5. Altek Electronics, Inc.

Altek Electronics offers printed circuit board assembly services to OEMs in the telecommunications industry. They provide high-quality electronic components and specialize in industries such as medical and aerospace. With a focus on continuous improvement and innovation, Altek strives to deliver the best possible product to their customers.


6. Microboard

  • Website: microboard.com
  • Headquarters: Seymour, Connecticut, United States
  • Founded: 1983
  • Headcount: 51-200
  • LinkedIn

Microboard is an electronics manufacturing services provider that specializes in circuit card assembly, system integration, and test services.


7. Bloomy

  • Website: bloomy.com
  • Headquarters: South Windsor, Connecticut, United States
  • Founded: 1992
  • Headcount: 51-200
  • LinkedIn

Bloomy.com is a leader in automated test, data acquisition, and control systems. They offer a wide range of products and services, including manufacturing, embedded control, hardware-in-the-loop, electronic design, and LabVIEW software. With expertise in various industries, Bloomy provides solutions to optimize testing, validation, and manufacturing processes.


8. Tornik, LLC

  • Website: tornik.com
  • Headquarters: East Hartford, Connecticut, United States
  • Founded: 1990
  • Headcount: 51-200
  • LinkedIn

Tornik.com is a company that specializes in the manufacturing of cable assemblies, harness assemblies, electromechanical assemblies, and turn-key box builds. With over 30 years of experience, they offer high-quality products and services to customers in the medical device, aerospace, industrial, consumer electronics, telecommunications, and green technology industries.


9. Argo EMS

  • Website: argoems.com
  • Headquarters: Clinton, Connecticut, United States
  • Founded: 1969
  • Headcount: 51-200
  • LinkedIn

ArgoEMS is a full-service electronics manufacturing company that offers turn-key PCB assembly work. With their modern facility and state-of-the-art equipment, they specialize in surface mount technology printed circuit board assembly. They provide high-quality products at competitive pricing and ensure on-time delivery.


10. AB Electronics

AB Electronics is an innovative contract manufacturing company specializing in advanced electronic products. They offer turnkey project management and consignment work and have decades of experience in electro-mechanical design and assembly. Their MRP system embodies an excellent planning tool allowing them to control material arrival time so they can consistently meet their production schedules.


11. Original Resume Design

  • Website: est.com
  • Headquarters: Windsor, Connecticut, United States
  • Founded: 2014
  • Headcount: 1-10
  • Latest funding type: Acquired
  • LinkedIn

Beautifully designed resume templates for Microsoft Word. Digital templates for instant download. Easy to edit. 100% customizable. Every resume comes with a matching cover letter. Instructions on downloading free fonts also included. Shop on Easy: www.Etsy.com/Shop/OriginalResumeDesign Shop using PayPal www.OriginalResumeDesign.com Follow on Pinterest www.Pinterest.com/OriginalResumes Like on Facebook www.Facebook.com/OriginalResumeDesign


12. Doltronics LLC

Doltronics - Full Service Electronic Product Assembly.


13. Amphenol Communications Solutions

  • Website: amphenol-cs.com
  • Headquarters: United States, Connecticut, United States
  • Founded: 1988
  • Headcount: 5001-10000
  • LinkedIn

Amphenol CS is a global manufacturing company that specializes in custom interconnect solutions. They offer a broad array of innovative technology and solutions to support the growth of information, communications, and commercial electronics markets. Their expertise lies in plating, signal integrity performance, and power management.


14. Design-2-Part Shows

  • Website: d2p.com
  • Headquarters: Prospect, Connecticut, United States
  • Headcount: 11-50
  • LinkedIn

Design-2-Part (D2P) is America's largest and longest running contract manufacturing trade show. It offers a platform for manufacturers to showcase their products and services to potential customers.


15. LYS Global Technology

  • Website: lysglobal.com
  • Headquarters: Avon, Connecticut, United States
  • Headcount: 1-10

LYS Global Technology LLC is located in Avon, CT. It also has an office in Shanghai China. We specialize in providing services for commercial and aerospace companies seeking low-cost sourcing opportunities in Asia. We specialize in US-China manufacturer/supplier relationship building. Our goal is to provide you with a low-cost, high quality supplier for your manufacturing needs. As a bridge, LYS Global helps small businesses reach out and growing their market share in China, and provides import/export services for customer's needs.LYS Global also provides low-cost, professional technical staffing solutions to meet most company's needs. LYS Global is partnered with numerous Asian professional manufacturers, providing depth-of-capability to meet any manufacturing need. From simple plastics manufacture, complex metal machining, to engineered motors, LYS Global Technology has the partner to support your low-cost manufacturing needs. LYS Global possesses multi-lingual, multi-cultural skills and understanding. We have t he ability to understand the culture we are working in to help successfully build long-lasting relationships.


16. Anton/Bauer

  • Website: antonbauer.com
  • Headquarters: Shelton, Connecticut, United States
  • Founded: 1970
  • Headcount: 51-200
  • LinkedIn

Anton/Bauer is a global company that offers industry-leading power solutions for camera operators. Their wide range of products includes Gold Mount and V-Mount batteries, smart chargers, cine batteries, and battery mounting brackets specifically designed for digital video and electronic field production equipment.


17. Hygrade Precision Technologies, LLC

  • Website: hygrade.com
  • Headquarters: Plainville, Connecticut, United States
  • Founded: 1962
  • Headcount: 11-50
  • LinkedIn

Hygrade Precision Technologies is a manufacturing company that offers a wide range of machining and grinding services. With expertise in blanchard/flat grinding, lapping, double disc grinding, and precision assembly, we provide high-quality solutions for customers in various industries. Our commitment to quality assurance and customer approvals sets us apart, and we prioritize proactive communication and transparent lead times to keep projects on schedule.


18. George Schmitt & Co

George Schmitt is a leading supplier of RFID baggage tags and high-security printing solutions. They specialize in pressure-sensitive labels, shrink sleeves, flexible packaging, and embedded RFID labels. With a focus on cost-effectiveness and superior quality, their products are trusted by major airports, airlines, pharmaceutical companies, and government agencies. George Schmitt's unique engineering capabilities allow for customized production solutions and unrestricted creativity for their customers. Their printing technologies include Gravure, Flexo, and Rotary Letterpress, making them a high-quality printer to industry leaders in various sectors.


19. Silicon Integration Inc

Silicon Integration is an electronic contract manufacturing company specializing in cost-effective low to high volume PCB assembly, including complex surface mount and mixed technology. They apply world-class manufacturing principles, advanced technologies, and state-of-the-art software tools to help their customers get their products to market faster with increased profitability.


20. Carlton Industries Corporation (CIC)

  • Website: cicems.com
  • Headquarters: Hamden, Connecticut, United States
  • Founded: 1994
  • Headcount: 11-50
  • LinkedIn

Carlton Industries Corporation offers complete electronic manufacturing services to meet the critical requirements for fast turnaround, high reliability, and exceptional quality. Their services include automated optical inspection, box build, cable assembly, consignment assembly services, engineering, plated through hole assembly, robotic conformal coating, supply chain management, surface mount technology, and testing & programming.


Want to find more electronics manufacturing companies?


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