Connecticut's electronic manufacturing sector features companies that develop and produce a variety of electronic components and systems. These firms specialize in printed circuit board assembly, cable assembly, and custom solutions for industries such as medical, military, and telecommunications. Innovation drives the industry, with firms embracing cutting-edge technology to enhance quality and efficiency. Demand for high-quality electronic solutions continues to grow, fueled by advancements in sectors like automation and smart devices. As companies strive to meet product specifications and environmental regulations, collaboration and customer service play crucial roles in sustaining long-term relationships and fostering growth in this competitive market.

This listing highlights 19 electronic manufacturing companies based in Connecticut, showcasing firms of various sizes from small businesses to corporate giants. Established between 1948 and 2016, these companies are headquartered throughout the state, from Brookfield to Stamford. Their specializations range from printed circuit board assembly to RF connectors, reflecting the sector's breadth. Employees range from solo entrepreneurs to firms with thousands of personnel, underscoring the activity and dynamism within the Connecticut electronic manufacturing landscape. Each company brings unique capabilities, adapting their offerings to meet the needs of numerous industries.

Continue reading to explore Connecticut's top electronic manufacturing companies.

Top 19 Electronic Manufacturing Companies in Connecticut

1. Imperial Electronic Assembly

• Website: impea.com
• Ownership type: Family Owned
• Headquarters: Brookfield, Connecticut, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1989
• Headcount: 201-500
• LinkedIn: imperial-electronic-assembly-inc-

Imperial Electronic Assembly, based in Brookfield, Connecticut, is a family-owned electronic contract manufacturer established in 1989. With over three decades of experience, the company specializes in providing a range of manufacturing services, including printed circuit board (PCB) assembly, cable assembly, and electro-mechanical assembly. They cater to various sectors, notably medical, military, telecommunications, and energy, showcasing their ability to meet the specific needs of these industries. Imperial prides itself on its commitment to quality, evidenced by a 99.6% quality rating and certifications such as ISO 9001:2015 and AS9100D. The company operates from a 45,000 square foot facility, where they utilize state-of-the-art equipment to ensure high standards in production. Their focus on customer service and collaborative engineering support has fostered strong relationships with clients, further solidifying their position in the electronic manufacturing industry.

2. Kimchuk, INC.

• Website: kimchuk.com
• Ownership type: Private
• Headquarters: Danbury, Connecticut, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1964
• Headcount: 51-200
• LinkedIn: kimchuk

Kimchuk, INC. is an electronic manufacturer based in Danbury, Connecticut, with a history dating back to 1964. The company specializes in contract manufacturing and engineering design services, offering a comprehensive range of capabilities including PCB assembly, mechanical assembly, and testing services. With a workforce of approximately 80 employees, Kimchuk primarily serves clients in the military and telecom sectors, where high-quality electronic components and assemblies are essential. The company prides itself on customer satisfaction and quality assurance, operating under the AS9100 certification, which underscores its commitment to maintaining rigorous quality management standards. Over the years, Kimchuk has adapted to industry changes and technological advancements, ensuring that it remains a relevant and competitive player in the electronic manufacturing field.

3. Tornik, LLC

• Website: tornik.com
• Ownership type: Private
• Headquarters: East Hartford, Connecticut, United States (USA)
• Founded year: 1990
• Headcount: 51-200
• LinkedIn: tornik-llc

Tornik, LLC, based in East Hartford, Connecticut, is an electronic manufacturing company that has been in operation since 1990. The firm specializes in custom cable assemblies, harness assemblies, and electromechanical assemblies, catering to various industries such as medical devices, aerospace, and telecommunications. Tornik provides engineering and program support services, enhancing product development and manufacturing efficiency. The company operates two manufacturing facilities, one in Rocky Hill, Connecticut, and another in Tijuana, Mexico, which allows them to offer cost-effective solutions while maintaining high-quality standards. Tornik is ISO 9001:2015 and ISO 13485:2016 registered, UL and CSA certified, and follows IPC 620 standards, ensuring that their products meet stringent quality requirements. Their focus on quality and reliability has fostered long-term relationships with clients, ranging from high-growth startups to established Fortune 500 companies.

4. Accutron

• Website: accutroninc.com
• Ownership type: Corporate
• Headquarters: Windsor, Connecticut, United States (USA)
• Employee distribution: India 62%, United States (USA) 38%
• Latest funding: August 2016
• Founded year: 1989
• Headcount: 51-200
• LinkedIn: accutron-inc-

Accutron Inc., founded in 1989 and based in Windsor, Connecticut, is a contract manufacturer that specializes in electronic printed circuit board assembly (PCBA). The company offers a comprehensive range of services, including Surface Mount Technology (SMT) assembly, Thru-Hole assembly, Box Build assembly, engineering services, material management, and testing services. Accutron primarily serves clients in the military, commercial, and medical electronics sectors, emphasizing high-quality manufacturing solutions tailored to meet specific client needs. With a workforce of approximately 98 employees, the company operates from a 55,000 square foot facility equipped with advanced technology to ensure precision and efficiency in production. Accutron is committed to maintaining rigorous quality assurance standards and adheres to compliance regulations, including ITAR and ISO certifications. Their recent merger with Foxtronics EMS is expected to broaden their capabilities and enhance their market presence, further solidifying their role in the electronic manufacturing industry.

5. Carlton Industries Corporation (CIC)

• Website: cicems.com
• Ownership type: Private
• Headquarters: Hamden, Connecticut, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1994
• Headcount: 11-50
• LinkedIn: carlton-industries-corporation

Carlton Industries Corporation (CIC), based in Hamden, Connecticut, is a private electronics manufacturer that has been operational since 1994. The company specializes in printed circuit board assembly (PCBA) and box build assembly, catering to a variety of sectors including industrial, aerospace, and medical. With a workforce of 11 to 50 employees, CIC prides itself on delivering high-quality manufacturing services that meet the specific requirements of its clients. The company operates under stringent quality standards, holding certifications such as ISO 9001, AS 9100, and ISO 13485, which underscore its commitment to excellence. CIC's facility in the United States ensures that all projects are completed domestically, allowing for reduced lead times and enhanced quality control. Their focus on high-mix, high-complexity, low to mid-volume production further highlights their capability to handle diverse manufacturing needs effectively.

6. Scott Electrokrafts, Inc.

• Website: scottelectro.com
• Ownership type: Private
• Headquarters: Andover, Connecticut, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1967
• Headcount: 11-50
• LinkedIn: scott-electrokrafts-inc.

Scott Electrokrafts, Inc., based in Andover, Connecticut, has been a player in the contract manufacturing sector since its inception in 1967. The company specializes in electronic and electromechanical assemblies, providing services that include PC board assembly, cable and harness assembly, and system integration. They cater to a variety of industries, notably military, aerospace, and medical equipment, ensuring that their products meet stringent technical specifications. Scott Electrokrafts prides itself on its quality control processes, adhering to standards such as IPC-A-610 and WHMA/IPC-A-620. Their commitment to customer service is evident in their flexible approach to production and design changes, which is crucial for clients needing timely and reliable manufacturing solutions. With a workforce of 11-50 employees, the company operates entirely within the United States, emphasizing local production and support. Their certifications, including ITAR registration and RoHS compliance, further highlight their dedication to quality and regulatory standards in the electronic manufacturing industry.

7. OSDA Printed Circuit Board Assembly

• Website: osda.com
• Ownership type: Corporate
• Headquarters: Milford, Connecticut, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: October 2022
• Founded year: 1987
• Headcount: 11-50
• LinkedIn: osda

OSDA Printed Circuit Board Assembly, based in Milford, Connecticut, has been a key player in the electronics assembly industry since its inception in 1987. The company specializes in rapid prototyping and manufacturing services, catering to a variety of sectors including Medical, Robotics, and Military & Defense. With a workforce of 11-50 employees, OSDA prides itself on delivering quick turnaround times and high-quality assembly solutions. Their state-of-the-art facility is equipped with advanced technology, allowing them to handle both surface mount and through-hole assembly with precision. OSDA's commitment to quality is underscored by their ISO 13485:2016 and ISO 9001:2015 certifications, ensuring that they meet stringent industry standards. The company has successfully partnered with notable clients such as NEC Energy Solutions and Harman International, demonstrating their capability to support complex projects and adapt to the evolving needs of their customers. OSDA's focus on customer service and technical expertise positions them as a reliable choice for businesses seeking electronic manufacturing solutions.

8. HARMAN International

• Website: harman.com
• Ownership type: Corporate
• Headquarters: Stamford, Connecticut, United States (USA)
• Employee distribution: India 43%, United States (USA) 14%, China 7%, Other 36%
• Latest funding: $8.0B, November 2016
• Founded year: 1980
• Headcount: 10001+
• LinkedIn: harman-international

HARMAN International Industries, Inc. is an audio electronics company based in Stamford, Connecticut, founded in 1980. The company designs and engineers connected products and solutions tailored for automakers, consumers, and enterprises. HARMAN's product offerings include a wide range of audio products, infotainment systems, and digital transformation solutions. They cater to various industries, particularly automotive and entertainment, providing advanced navigation and infotainment solutions that enhance user experiences. HARMAN employs over 27,000 people globally, with a significant portion of its workforce based in India. As a wholly-owned subsidiary of Samsung, HARMAN retains its leadership team and continues to innovate in audio technology, professional audio, and lighting solutions. Their commitment to sustainability and ethical business practices further underscores their role in the electronic manufacturing sector.

9. Presco Engineering

• Website: prescoinc.com
• Ownership type: Private
• Headquarters: Woodbridge, Connecticut, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1978
• Headcount: 11-50
• LinkedIn: presco-inc-

Presco Engineering, Inc. is a private engineering and manufacturing firm based in Woodbridge, Connecticut, founded in 1978. With a workforce of 11 to 50 employees, Presco focuses on creating mission-critical products for industries that demand high reliability, including military, medical, and biotech sectors. The company offers a comprehensive suite of services, including electronics engineering, software engineering, mechanical engineering, and industrial design. Their state-of-the-art facility spans 15,000 square feet and is equipped to handle complex projects from concept to manufacturing. Presco's commitment to quality is underscored by their ISO 9001:2015 certification, ensuring that their products meet rigorous standards. They have a proven track record of transforming innovative ideas into market-ready technologies, making them a valuable partner for businesses seeking reliable solutions.

10. Wanho Mfg LLC

• Website: wanho.com
• Ownership type: Private
• Headquarters: Cheshire, Connecticut, United States (USA)
• Employee distribution: United States (USA) 90%, Singapore 10%
• Founded year: 2004
• Headcount: 501-1000
• LinkedIn: wanho-mfg-llc

Wanho Mfg LLC, founded in 2004 and based in Cheshire, Connecticut, is a private manufacturing company that specializes in telecom equipment and metal fabrication. With a workforce of approximately 501-1000 employees, Wanho provides OEM manufacturing and value-added services tailored to the needs of businesses in the telecom and manufacturing sectors. Their offerings include tool and die design, metal and plastic fabrication, and customized kitting and assembly services. Wanho's commitment to quality assurance, health and safety, and sustainability reflects their operational ethos. They serve a global clientele, with a significant portion of their operations based in the United States and a smaller presence in Singapore. Their extensive product catalog and customized solutions aim to streamline supply chain processes for their clients, enhancing operational efficiency and reducing costs.

11. Dymax

• Website: dymax.com
• Ownership type: Corporate
• Headquarters: Torrington, Connecticut, United States (USA)
• Employee distribution: United States (USA) 63%, Singapore 12%, Germany 9%, Other 16%
• Latest funding: February 2014
• Founded year: 1980
• Headcount: 501-1000
• LinkedIn: dymax-corporation

Dymax, founded in 1980 and based in Torrington, Connecticut, is a manufacturing company that specializes in light-curable materials and equipment. With a workforce of around 360 employees, Dymax has carved out a niche in providing innovative solutions for industries such as medical, consumer electronics, aerospace & defense, and automotive electronics. Their product offerings include a range of light-curable adhesives, coatings, and dispensing equipment designed to enhance manufacturing efficiency and product durability. Dymax's technology is particularly significant in the electronics sector, where their materials are used for circuit protection and electronic component assembly. The company has a global footprint, with operations in the United States, Singapore, Germany, China, and Ireland, reflecting its international reach and commitment to serving a broad customer base. Dymax has not reported any recent funding, indicating a stable operational model focused on organic growth and innovation.

12. Tiger Enterprises Inc.

• Website: tigerstamping.com
• Ownership type: Private
• Headquarters: Southington, Connecticut, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1979
• Headcount: 11-50
• LinkedIn: tiger-enterprises-inc-

Tiger Enterprises Inc., based in Southington, Connecticut, has been a family-owned business since its founding in 1979. With a workforce of 11 to 50 employees, the company specializes in precision metal stamping and manufacturing high-quality metal components and assemblies. They cater to various industries, including electronics and military specifications, providing services such as metal stamping, AR parts production, in-house tooling and engineering, custom packaging, and prototype development. Their commitment to quality and customer service is evident in their operations, which are conducted from their facility in Plantsville, CT. As a Colt Certified Manufacturing Facility, Tiger Enterprises emphasizes precision and reliability in their production processes, ensuring that they meet the stringent requirements of their clients. Their capabilities in producing intricate components and custom assemblies make them a notable player in the metal stamping sector, particularly for clients in the electronics field.

13. Conard Corporation

• Website: conardcorp.com
• Ownership type: Private
• Headquarters: Glastonbury, Connecticut, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1965
• Headcount: 11-50
• LinkedIn: conard-corporation

Conard Corporation, founded in 1965 and based in Glastonbury, Connecticut, specializes in precision photochemical machining, also known as photo etching. The company has carved out a niche in the manufacturing of thin gauge precision metal parts, particularly in aluminum etching. Conard serves a variety of industries, including aerospace, medical, and electronics, providing essential components such as heatsinks and intricate metal parts. The firm prides itself on its engineering support and rapid prototyping capabilities, which help clients navigate complex manufacturing challenges. Conard is AS9100 and ISO9001 certified, reflecting its commitment to quality and compliance with industry standards. The company has a history of innovation, having developed proprietary processes that enhance efficiency and precision in metal fabrication. With a focus on environmentally responsible operations, Conard utilizes aqueous etching technologies, ensuring that its manufacturing processes are sustainable. The company continues to adapt and expand its capabilities, maintaining its relevance in the electronic manufacturing sector.

14. COMET Technologies USA, Inc.

• Website: comet-pct.com
• Ownership type: Private
• Headquarters: Shelton, Connecticut, United States (USA)
• Founded year: 1992
• Headcount: 51-200
• LinkedIn: comet-technologies-usa-inc

COMET Technologies USA, Inc., based in Shelton, Connecticut, is a private company founded in 1992. It operates under the umbrella of Comet Group, which has a long history in the field of plasma control technologies. The company specializes in RF power delivery systems and components, offering products such as RF generators, impedance matching networks, and vacuum capacitors. These products are vital for industries like semiconductor manufacturing, flat panel displays, and battery production. COMET Technologies is known for its innovative Synertia® RF Power Delivery Platform, which enhances the control of plasma processes, thereby improving production efficiency and reliability for its customers. Their clientele primarily consists of manufacturers who depend on precise plasma control for their operations, highlighting the company's integral role in the electronic manufacturing sector.

15. Synectic Medical Product Development (A MACK Molding Company)

• Website: synectic.net
• Ownership type: Corporate
• Headquarters: Woodbridge, Connecticut, United States (USA)
• Latest funding: July 2013
• Founded year: 1981
• Headcount: 11-50
• LinkedIn: synectic-medical-product-development

Synectic Medical Product Development, a subsidiary of MACK Molding, is a product development company based in Woodbridge, Connecticut. Founded in 1981, the company specializes in engineering services tailored for medical devices, electronics, and consumer products. Their comprehensive offerings include product strategy, design, prototyping, and manufacturing, which help clients navigate the complexities of bringing products to market. Synectic is known for its commitment to quality, holding ISO 13485 certification, which is crucial for medical device development. The company has a history of collaborating with various clients, providing tailored solutions that address specific project needs. Their expertise in electronic design and manufacturing processes positions them as a valuable partner for businesses looking to innovate and launch new products.

16. Microphase Corporation USA

• Website: microphase.com
• Ownership type: Venture Capital
• Headquarters: Shelton, Connecticut, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: Seed, $945,000, April 2013
• Founded year: 1955
• Headcount: 51-200
• LinkedIn: microphase-corporation-usa

Microphase Corporation USA, founded in 1955 and based in Shelton, Connecticut, is a technology manufacturer that specializes in RF, Microwave, and Millimeter-wave products. The company designs and produces advanced electronic technology solutions tailored for defense, aerospace, and commercial markets. Their product range includes components and subsystems that are integral to applications in telecommunications, public safety, and military operations. Microphase has a rich history, having contributed to significant projects such as the Mercury Space Capsule in 1961. With a dedicated workforce and a commitment to quality, they continue to innovate and develop products that meet the stringent demands of their customers. Their focus on research and development, along with strategic partnerships, allows them to stay competitive and relevant in the fast-evolving technology sector.

17. General Digital Corporation

• Website: generaldigital.com
• Ownership type: Private
• Headquarters: East Hartford, Connecticut, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1973
• Headcount: 51-200
• LinkedIn: general-digital-corporation

General Digital Corporation, based in East Hartford, Connecticut, is an electronics manufacturer that has been operational since 1973. The company specializes in rugged displays, workstations, and software development services, catering primarily to safety-critical industries such as the military and medical sectors. Their products are designed to withstand harsh environments, ensuring reliability and performance where it matters most. General Digital emphasizes custom product development, allowing them to meet specific client needs while adhering to industry standards. They operate from a certified manufacturing facility, which is ISO 9001:2015 certified, ensuring that their processes meet high-quality benchmarks. The company’s engineering capabilities span hardware, software, and embedded systems, making them a comprehensive solution provider for clients requiring robust electronic solutions. Their commitment to safety and compliance is evident in their work with military and industrial standards, further solidifying their position in the electronic manufacturing industry.

18. Amphenol RF

• Website: amphenolrf.com
• Ownership type: Private
• Headquarters: Danbury, Connecticut, United States (USA)
• Employee distribution: United States (USA) 55%, China 17%, Mexico 11%, Other 17%
• Founded year: 1932
• Headcount: 1001-5000
• LinkedIn: amphenol-rf

Amphenol RF, based in Danbury, Connecticut, is a manufacturer that specializes in RF connectors, adapters, and cable assemblies. Established in 1932, the company has built a reputation for providing high-quality connectivity solutions essential for various electronic devices. Amphenol RF serves multiple industries, including telecommunications, automotive, and military, showcasing its versatility and importance in the electronic manufacturing landscape. The company offers an extensive range of products designed to meet the specific needs of its clients, ensuring reliable performance in critical applications. With a workforce distributed across several countries, including the United States, China, and Mexico, Amphenol RF demonstrates its global reach and commitment to serving a wide array of markets. Their focus on innovation is evident in their development of products for advanced technologies such as 5G and IoT, positioning them as a key player in the RF connectivity market.

19. Able Coil & Electronics Co., Inc.

• Website: ablecoil.com
• Ownership type: Private
• Headquarters: Bolton, Connecticut, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1969
• Headcount: 51-200
• LinkedIn: able-coil-%26-electronics-co-inc-

Able Coil & Electronics Co., Inc. is a private manufacturing firm based in Bolton, Connecticut, specializing in custom electromagnetic assemblies and components. Since its inception in 1969, the company has catered to a variety of industries, including military, medical, automotive, and communications. Able Coil prides itself on its collaborative approach, working closely with clients to develop tailored solutions that meet specific technical and financial requirements. Their manufacturing capabilities include a range of products such as custom coil assemblies, transformers, and electromechanical devices. The company operates a 20,000 square foot facility equipped with advanced winding and assembly technologies, allowing them to handle both low and high volume production runs efficiently. With a focus on quality and customer service, Able Coil has built a reputation for delivering millions of components annually, supporting the needs of their clients across various sectors.

Electronic Manufacturing Insights: Key Companies in Connecticut

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