The electronic manufacturing industry in Ohio plays a vital role in producing essential components and assemblies that support various sectors. Companies in this area engage in manufacturing printed circuit boards, cable assemblies, and custom electronic devices. As technologies evolve, industries such as automotive, medical, and aerospace are increasingly turning to innovative solutions that enhance efficiency and functionality. Additionally, Ohio's skilled workforce and commitment to quality assurance make it a prime location for businesses. Continuous advancements in automation and IoT are expected to reshape industry standards, driving growth and specialization among local manufacturers.

This list features a range of electronic manufacturing companies based in Ohio, with workforce sizes typically between 11 and 500 employees. Founded between 1932 and 2007, these firms operate from various locations across the state, including Toledo, Solon, and Dayton. They specialize in areas like circuit assembly, product design, and engineering services. As seasoned players, many companies maintain industry certifications, underscoring their commitment to quality and innovation in manufacturing.

Continue reading to learn about Ohio's top electronic manufacturing companies.

Top 23 Electronic Manufacturing Companies in Ohio

1. TL Industries, Inc.

• Website: tlindustries.com
• Ownership type: Private
• Headquarters: Toledo, Ohio, United States (USA)
• Founded year: 1980
• Headcount: 51-200
• LinkedIn: tl-industries-inc.

TL Industries, Inc. is a private electronic design and manufacturing service provider based in Toledo, Ohio. Founded in 1980, the company has carved out a niche in high-mix, low to medium volume manufacturing, primarily serving clients in the automotive, industrial controls, medical, food, and consumer markets. TL Industries offers a comprehensive suite of services, including electronic design, printed circuit assembly, and integrated system assembly. Their engineering team boasts over 100 years of combined experience, enabling them to assist clients from concept through to production. The company emphasizes quality and efficiency, as evidenced by their ISO 9001 certification, which underscores their commitment to maintaining high standards in their manufacturing processes. TL Industries aims to be a single-source solution for clients, providing support throughout the product lifecycle, from initial design to ongoing upgrades and improvements.

2. Techtron Systems, Inc.

• Website: techtronsys.com
• Ownership type: Private
• Headquarters: Solon, Ohio, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1971
• Headcount: 51-200
• LinkedIn: techtronsystems-inc

Techtron Systems, Inc., based in Solon, Ohio, has been a significant player in the electronics manufacturing industry since its inception in 1971. The company specializes in custom electronics production solutions, offering a wide array of services that include PCB assembly, system design, and Internet of Things (IoT) solutions. With a workforce of approximately 51-200 employees, Techtron Systems prides itself on its engineering expertise, boasting over 90 years of combined experience among its team. The company operates from a state-of-the-art 70,000 square foot facility, where it employs advanced manufacturing methods to ensure high-quality output. Techtron Systems is dedicated to optimizing the product life cycle, from concept to fulfillment, and emphasizes a quality management framework throughout its processes. Their commitment to innovation and customer satisfaction has allowed them to adapt to the evolving needs of various industries, making them a reliable partner for businesses seeking electronic components.

3. RPC Electronics Inc.

• Website: rpcelectronics.com
• Ownership type: Family Owned
• Headquarters: Chagrin Falls, Ohio, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1932
• Headcount: 11-50
• LinkedIn: rpc-electronics

RPC Electronics Inc., based in Chagrin Falls, Ohio, is a family-owned electronics manufacturer that has been in operation since 1932. The company specializes in custom fabrication products, offering a range of services including printed circuit board (PCB) assembly, custom wire harnessing, and electromechanical assembly. RPC Electronics serves various industries, notably telecommunications and medical devices, providing high-quality electronic components and systems tailored to meet specific industry standards. Their capabilities extend to graphic solutions for LCD displays and embedded computing, as well as PCB design services. With a workforce of 11-50 employees, RPC Electronics emphasizes quality and precision in their manufacturing processes, supported by their ISO 9001:2015 certification. They have not reported any funding, indicating a self-sustaining business model that has persisted through decades of industry changes.

4. IEC Corp

• Website: 4iec.com
• Ownership type: Private
• Headquarters: Medina, Ohio, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1995
• Headcount: 51-200
• LinkedIn: interactive-engineering-corp

IEC Corp, established in 1995 and headquartered in Medina, Ohio, is an electronics manufacturer that specializes in the design and production of electronic controls and related components. The company offers a variety of services, including PCB design, wire harness manufacturing, and embedded firmware design. Their clientele ranges from small startups to large international firms, all seeking high-quality electronic solutions. IEC operates manufacturing facilities in the USA and China, with plans for expansion into Mexico, which reflects their commitment to meeting global demand. The company prides itself on combining technical excellence with flexible manufacturing processes, ensuring that each project, whether a prototype or a large order, receives meticulous attention. Their focus on quality and quick turnaround times positions them as a reliable partner in the electronic manufacturing industry.

5. DEM Manufacturing

• Website: dem-mfg.com
• Ownership type: Private
• Headquarters: Newbury Township, Ohio, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1993
• Headcount: 11-50
• LinkedIn: dem-mfg

DEM Manufacturing, based in Newbury Township, Ohio, is a private company founded in 1993. With a workforce of 11 to 50 employees, they specialize in electronic product design, engineering, and manufacturing. Their services include custom cabling, printed circuit board assemblies (PCBA), and medical device manufacturing. The company caters primarily to businesses across various sectors that demand high-quality electronic components and rapid prototyping services. DEM Manufacturing prides itself on its ability to take products from conception to full-scale manufacturing in less than ten weeks, emphasizing speed and efficiency. They maintain rigorous quality control measures, ensuring that all manufactured products undergo thorough inspection and testing. Their expertise in areas such as analog and digital communication, tooling design, and 3D printing further solidifies their role in the electronic manufacturing industry.

6. Sarica Manufacturing Company

• Website: saricamfg.com
• Ownership type: Private
• Headquarters: Urbana, Ohio, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2005
• Headcount: 51-200
• LinkedIn: sarica-manufacturing-company

Sarica Manufacturing Company, based in Urbana, Ohio, is an electronic manufacturing services provider established in 2005. The company specializes in circuit card assemblies, custom cable assemblies, and wire harnesses, catering to clients in the aerospace, defense, medical, industrial, and automotive sectors. With a workforce of approximately 30 employees, Sarica emphasizes high-quality manufacturing solutions tailored to meet rigorous industry standards. Their operations are supported by advanced technology, including three SMT lines equipped with MY300 placement machines, which enhance their production capabilities. Sarica is committed to quality assurance, holding certifications such as AS9100D and ISO 9001:2008, ensuring that their products meet the highest levels of reliability and performance. The company has built a reputation for delivering on-time and defect-free products, making it a trusted partner in the electronic manufacturing space.

7. Levison Enterprises

• Website: levisonenterprises.com
• Ownership type: Private
• Headquarters: Millbury, Ohio, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2008
• Headcount: 11-50
• LinkedIn: levisonenterprises

Levison Enterprises, based in Millbury, Ohio, is an electronic manufacturing company that has been operational since 2008. With a workforce of 11 to 50 employees, the company specializes in electronic assembly, manufacturing, and repair services. They cater to critical industries such as military, aerospace, and medical devices, providing solutions that address both contemporary and legacy electronic systems. Levison Enterprises prides itself on its stringent quality controls and compliance with industry standards, holding certifications like AS9100 and ISO 13485. Their services include electronic assembly, PCB assembly, rapid prototyping, and engineering design, showcasing their capability to support clients from initial design through to production. The company also emphasizes its role in electronic repair, particularly for legacy systems, ensuring that older technologies remain functional and relevant in today's fast-paced environment.

8. Spectra-Tech Manufacturing Inc.

• Website: 4spectra.com
• Ownership type: Private
• Headquarters: Batavia, Ohio, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1998
• Headcount: 51-200
• LinkedIn: spectra-tech-manufacturing

Spectra-Tech Manufacturing Inc., founded in 1998 and based in Batavia, Ohio, specializes in electronic manufacturing services. The company offers a range of services, including PCB assembly, wire harness production, and engineering support. They serve various industries, notably industrial controls and water monitoring, providing tailored manufacturing solutions that meet specific client requirements. With a dedicated workforce and advanced manufacturing technologies, Spectra-Tech emphasizes quality and efficiency in its operations. The company has achieved ISO 9001 and ISO 13485 certifications, demonstrating its commitment to maintaining high standards in quality management and medical device manufacturing. Their proactive approach to supply chain management and program management further enhances their ability to deliver reliable and timely services to their customers.

9. CO-AX Technology Inc.

• Website: coaxinc.com
• Ownership type: Private
• Headquarters: Solon, Ohio, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1993
• Headcount: 201-500
• LinkedIn: co-ax-technology-inc-

CO-AX Technology Inc., based in Solon, Ohio, is an electronics manufacturer that specializes in the design and production of printed circuit boards, cable assemblies, and box builds. Since its inception in 1993, CO-AX has catered to various industries, including medical, aerospace, consumer goods, and industrial sectors. The company prides itself on delivering high-quality solutions that enhance its clients' product offerings. With a workforce of around 200 employees, CO-AX operates from a state-of-the-art facility, emphasizing quality assurance and effective supply chain management. Their commitment to excellence is reflected in their adherence to rigorous quality management standards, including ISO, IPC, UL, and FDA certifications. CO-AX has also invested in advanced manufacturing technologies, allowing them to scale production efficiently and meet the demands of their clients. Their focus on customer collaboration and innovation positions them as a valuable partner in the electronic manufacturing landscape.

10. REM Electronics

• Website: remelectronics.com
• Ownership type: Private
• Headquarters: Warren, Ohio, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: Other (Grant), $50,000, April 2025
• Founded year: 1965
• Headcount: 11-50
• LinkedIn: rem-electronics

REM Electronics Supply Company, Inc., based in Warren, Ohio, has been a player in the electronics manufacturing industry since its inception in 1965. The company specializes in sourcing hard-to-find components and providing contract manufacturing services tailored to the needs of industrial and government clients. Their offerings include a variety of technical services such as assembly, inspection, product modification, and kitting services. With a workforce of 22 employees, REM Electronics emphasizes personalized service and support, aiming to exceed customer expectations. They have also obtained certifications like ISO 9001:2015, which enhances their credibility in the market. Their operations are primarily focused on ensuring high-quality solutions for electronic products, making them a reliable partner for clients seeking specialized manufacturing capabilities.

11. Libra Industries

• Website: libraindustries.com
• Ownership type: Private Equity
• Headquarters: Mentor, Ohio, United States (USA)
• Employee distribution: United States (USA) 71%, Mexico 26%, Other 2%
• Latest funding: May 2019
• Founded year: 1956
• Headcount: 201-500
• LinkedIn: libra-industries

Libra Industries, based in Mentor, Ohio, is a manufacturing company that specializes in systems integration and complex manufacturing solutions. Founded in 1956, the company has built a reputation for serving OEMs across various industries, including aerospace, medical equipment, and industrial automation. With a workforce of approximately 267 employees, Libra Industries offers a range of services such as electronic manufacturing, precision machining, and supply chain management. Their extensive experience, particularly in high-mix/low-volume production, allows them to handle technically demanding projects effectively. The company operates multiple facilities in the United States and Mexico, enhancing their operational capabilities and reach. Libra Industries is committed to maintaining high quality and compliance with industry standards, making them a reliable partner for organizations requiring sophisticated manufacturing solutions.

12. Rbb

• Website: rbbsystems.com
• Ownership type: Private
• Headquarters: Wooster, Ohio, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1973
• Headcount: 51-200
• LinkedIn: rbb-systems-inc.

RBB Systems, based in Wooster, Ohio, is an electronic assembly manufacturer that specializes in printed circuit board (PCB) and industrial control panel assembly services. Established in 1973, RBB has built a reputation for delivering tailored solutions to meet the unique electronic assembly needs of businesses across various sectors. The company prides itself on high-quality manufacturing, ensuring timely delivery and flexibility in production. RBB's capabilities include recurring high-mix assemblies, legacy product expertise, and new product introduction (NPI). They also provide manufacturing support and custom industrial control panels. RBB's commitment to compliance is evident through their adherence to ITAR and RoHS standards, which underscores their dedication to responsible manufacturing practices. With a workforce of approximately 103 employees, RBB remains focused on customer satisfaction and building long-term partnerships with clients, making them a significant player in the electronic assembly market.

13. McGregor Surmount

• Website: mcgregor-surmount.com
• Ownership type: Private
• Headquarters: Brookville, Ohio, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1975
• Headcount: 11-50
• LinkedIn: mcgregor-surmount-corporation

McGregor Surmount, based in Brookville, Ohio, is an electronics manufacturer with a rich history dating back to 1975. The company specializes in printed circuit board (PCB) manufacturing and electronic assembly services, catering to a variety of industries. With a workforce of 11-50 employees, McGregor Surmount operates from a strategically located facility that spans over 70,000 square feet, allowing for efficient inventory management and Just In Time (JIT) delivery. Their service offerings include value-added final assembly, selective conformal coating, surface mount assembly, and functional testing, among others. The company prides itself on its engineering capabilities, providing quick-turn prototyping and design modifications to enhance product functionality. McGregor Surmount has received recognition for its quality, including multiple Supplier of the Year awards, reflecting its commitment to excellence in electronic manufacturing.

14. Circle Prime Manufacturing, Inc.

• Website: circleprime.com
• Ownership type: Private
• Headquarters: Cuyahoga Falls, Ohio, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1989
• Headcount: 11-50
• LinkedIn: circle-prime-manufacturing

Circle Prime Manufacturing, Inc., based in Cuyahoga Falls, Ohio, has been a significant contributor to the electronics manufacturing industry since its inception in 1989. The company specializes in the design, production, and testing of high-quality electronic components and assemblies. With a workforce of around 21 employees, Circle Prime operates from a 24,000 square-foot facility, equipped to handle both military and commercial projects. Their technical team includes electrical engineers and quality assurance inspectors, ensuring that every product meets stringent quality standards. Circle Prime has a strong track record of supplying the Department of Defense with over 200 items, showcasing their capability in handling complex military contracts. Their commitment to quality is further highlighted by their ISO 9001 certification, which they have maintained since 2009. The company emphasizes customer satisfaction through ongoing improvements and timely delivery, making them a reliable partner in the electronic manufacturing sector.

15. Qualtech Technologies Inc.

• Website: qualtechinc.com
• Ownership type: Private
• Headquarters: Willoughby, Ohio, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2007
• Headcount: 11-50
• LinkedIn: qualtech-technologies-inc.

Qualtech Technologies Inc., based in Willoughby, Ohio, is a PCB assembly company that has been operational since 2007. The firm specializes in printed circuit board manufacturing and offers a suite of engineering services tailored to meet the needs of businesses across multiple industries. Their services include board builds, box builds, prototyping, and testing, which are essential for the development and production of electronic products. Qualtech emphasizes a customer-centric approach, ensuring that projects are completed on time and within budget. They also provide engineering support, allowing clients to refine their designs and prototypes. This focus on quality and efficiency positions Qualtech as a valuable partner in the electronic manufacturing sector.

16. InSource Technologies, Inc.

• Website: insource.tech
• Ownership type: Family Owned
• Headquarters: Paulding, Ohio, United States (USA)
• Employee distribution: United States (USA) 92%, Zimbabwe 8%
• Founded year: 1997
• Headcount: 201-500
• LinkedIn: insource-technologies-inc.

InSource Technologies, Inc., based in Paulding, Ohio, is a family-owned contract manufacturing and engineering company founded in 1997. The firm specializes in providing custom products and services primarily for OEMs in the electronics, refrigeration, and wire harness sectors. With a workforce of approximately 200 employees, InSource has expanded its capabilities over the years, including investments in SMT circuit board assembly, plastic injection molding, and advanced wire harness technology. Their customer base spans various industries, including agriculture and HVAC, where they are recognized for their high-quality manufacturing and engineering support. InSource is committed to improving supply chain efficiency and product reliability, making them a valuable partner for businesses seeking tailored manufacturing solutions.

17. Hana Technologies Inc.

• Website: hana.family
• Ownership type: Private
• Headquarters: Solon, Ohio, United States (USA)
• Employee distribution: United States (USA) 92%, Thailand 8%
• Founded year: 1999
• Headcount: 51-200
• LinkedIn: hanatechnologies

Hana Technologies Inc., based in Solon, Ohio, is a technology manufacturer that specializes in RFID products and microelectronics. Founded in 1999, the company has evolved from its initial focus on Liquid Crystal Displays to a broader array of high-tech manufacturing services. Hana provides essential services such as Printed Circuit Board Assembly (PCBA) and Integrated Circuit (IC) assembly, catering primarily to businesses in the manufacturing sector. With a strong commitment to innovation and quality, Hana operates globally, leveraging over 1,000,000 square feet of manufacturing space across multiple locations, including the USA and Thailand. The company has made significant strides in the RFID market, particularly with its RFID tire tags, which are embedded during the tire manufacturing process, ensuring reliable identification. Hana's dedication to customer satisfaction and technological advancement positions it as a key player in the electronic components industry.

18. Projects Unlimited Inc.

• Website: pui.com
• Ownership type: Family Owned
• Headquarters: Dayton, Ohio, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1951
• Headcount: 51-200
• LinkedIn: projects-unlimited

Projects Unlimited Inc. is a family-owned electronics manufacturer based in Dayton, Ohio, with a history dating back to 1951. The company specializes in mission-critical electronic assemblies and repair services tailored for the aerospace and defense industries. With a workforce of approximately 154 employees, Projects Unlimited focuses on providing high-quality circuit card assemblies, cable harnesses, and integrated box assemblies. Their state-of-the-art facility spans 75,000 square feet and is equipped to handle various manufacturing processes, including surface mount and through-hole technologies. Projects Unlimited is recognized for its commitment to quality, holding certifications such as AS9100D, NADCAP, and FAA certifications, which are essential for maintaining high standards in the aerospace sector. The company has built long-term relationships with defense contractors and aviation companies, ensuring that their products are not only reliable but also critical to the safety and success of their clients' operations. Over the years, Projects Unlimited has adapted to industry changes, focusing on sustainable growth and community involvement, further solidifying its position in the electronic manufacturing sector.

19. E-mek Technologies LLC

• Website: e-mek.com
• Ownership type: Private
• Headquarters: Dayton, Ohio, United States (USA)
• Founded year: 2006
• Headcount: 51-200
• LinkedIn: e-mek-technologies-llc

E-mek Technologies LLC, founded in 2006 and based in Dayton, Ohio, is an electronics manufacturer that specializes in assembly and prototyping services for printed circuit boards. The company caters to businesses within the electronics sector, focusing on providing quick turn prototypes and high-quality assembly solutions. E-mek's operations are characterized by a commitment to reducing lead times and enhancing speed to market, which is crucial for clients needing timely product development. Their service offerings include surface mount assembly, conformal coating, box build assembly, and selective soldering, showcasing their capability to handle a range of manufacturing needs. With a facility spanning 50,000 square feet, E-mek combines advanced machinery with a strong work ethic to ensure efficient production processes. Their certifications, including ISO 9001:2015 and IPC, reflect their adherence to industry standards and quality assurance practices.

20. Henway Technologies, LTD. PCB Design and Assembly

• Website: henwaytech.com
• Ownership type: Private
• Headquarters: Hudson, Ohio, United States (USA)
• Employee distribution: United States (USA) 62%, Argentina 38%
• Founded year: 2012
• Headcount: 11-50
• LinkedIn: henwaytechnologiesltd

Henway Technologies, LTD. PCB Design and Assembly is an electronics design firm based in Hudson, Ohio, established in 2012. The company specializes in custom PCB engineering and manufacturing, providing a comprehensive suite of services that includes research and development, schematic design, PCB layout, software and firmware development, and PCB assembly. Henway Technologies serves a variety of sectors, including defense, automotive, and telecommunications, showcasing their capability to meet the unique needs of different clients. With a team of skilled professionals, they utilize state-of-the-art equipment and the latest technologies to ensure high-quality outputs. The company has completed over 750 projects, reflecting their experience and commitment to customer satisfaction. Their business model emphasizes collaboration and communication, ensuring that clients are engaged throughout the design and manufacturing process.

21. JF Kilfoil Company

• Website: jfkilfoil.com
• Ownership type: Private
• Headquarters: Cincinnati, Ohio, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1953
• Headcount: 11-50
• LinkedIn: jf-kilfoil-company

JF Kilfoil Company, based in Cincinnati, Ohio, has been a player in the electronic components industry since its founding in 1953. With a dedicated team of 18 employees, the company operates as a manufacturer representative, focusing on delivering a wide array of electronic components and engineering solutions. Their product offerings include capacitors, connectors, display products, and PCB solutions, among others. JF Kilfoil serves various sectors, notably automotive, medical, and military, ensuring that their clients receive quality parts on time. The company prides itself on building long-standing relationships with proven manufacturers, which allows them to provide reliable and innovative solutions to over 3,000 engineers annually. Their commitment to quality and customer support has established them as a trusted partner in the electronic components market.

22. Mega Techway, Inc.

• Website: megatechway.com
• Ownership type: Private
• Headquarters: Mayfield, Ohio, United States (USA)
• Employee distribution: Mexico 93%, United States (USA) 6%, Other 1%
• Founded year: 2004
• Headcount: 1001-5000
• LinkedIn: mega-techway

Mega Techway, Inc. is a cable assembly manufacturer based in Mayfield, Ohio, with a significant operational presence in Reynosa, Mexico. Established in 2004 by a group of industry veterans, the company focuses on providing custom OEM manufacturing and engineering support for electronic cable assemblies and interconnect solutions. Mega Techway caters to various industries, including automotive, medical, and industrial controls, ensuring that they meet the unique demands of each sector. Their manufacturing facility is equipped with advanced technology, allowing them to produce a wide range of cable assembly types and interconnect technologies. The company prides itself on its commitment to quality, having achieved multiple industry certifications, and emphasizes logistical reliability to ensure timely deliveries. With a workforce that is predominantly based in Mexico, Mega Techway is positioned to respond quickly to customer needs while maintaining high standards of production.

23. Electronic Concepts & Engineering, Inc. (ECE)

• Website: eceinc.com
• Ownership type: Private Equity
• Headquarters: Holland, Ohio, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: January 2021
• Founded year: 1991
• Headcount: 11-50
• LinkedIn: electronic-concepts-%26-engineering-inc.

Electronic Concepts & Engineering, Inc. (ECE), founded in 1991 and based in Holland, Ohio, is an engineering firm that specializes in electronic design and software development. The company serves a variety of sectors, including military, aerospace, automotive, and industrial, focusing on high-reliability electronic systems and software solutions. ECE's team consists of experienced engineers with advanced degrees and extensive industry experience, allowing them to meet the specific needs of their clients effectively. They offer a comprehensive range of services, including electronic system design, software development, control system modeling, PCB design, and prototyping. ECE has successfully developed solutions for numerous Fortune 500 companies, showcasing their capability to handle complex projects. Their commitment to quality is underscored by their ISO 9001 and AS9100 certifications, which reflect their adherence to high standards in engineering and manufacturing processes.

Electronic Manufacturing Insights: Key Companies in Ohio

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