Indiana's electronic manufacturing sector plays a crucial role in the production of various electronic components and systems. This industry is marked by companies specializing in printed circuit boards, electromechanical devices, and innovative technology solutions. As industries evolve, particularly in automotive and healthcare, demand for sophisticated electronic solutions continues to rise. Advancements in automation and efficiency are ongoing as manufacturers adopt cutting-edge technologies. The emphasis on quality and sustainability shapes operational practices, ensuring that companies not only meet current needs but are also positioned for future growth.


The companies listed range significantly in size, with many having been established from the 1950s onward. Headquarters are concentrated in key locations like Indianapolis, Elkhart, and Fort Wayne. Each company specializes in specific services, including PCB assembly, OEM solutions, and custom electronics engineering. Notably, these firms contribute to vital sectors like automotive, medical, and aerospace, showcasing Indiana's position as a hub for electronic manufacturing innovation.


Continue reading to learn about the top electronic manufacturing companies in Indiana.


Top 21 Electronic Manufacturing Companies in Indiana


1. DIVSYS International-ICAPE, LLC

  • Website: divsys.com
  • Ownership type: Private
  • Headquarters: Indianapolis, Indiana, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 2010
  • Headcount: 11-50
  • LinkedIn: divsys-international-llc

DIVSYS International-ICAPE, LLC, founded in 2010 and based in Indianapolis, Indiana, is a private electronics manufacturer that specializes in printed circuit boards (PCBs) and technical parts. The company offers a comprehensive suite of services, including design engineering, prototyping, and local manufacturing. Their clientele spans multiple industries, notably automotive and medical, where they provide high-quality components and efficient production solutions. With a workforce of around 32 employees, DIVSYS emphasizes quality and customer care, ensuring that their products meet stringent industry standards. Their strategic partnerships with various manufacturing facilities allow them to maintain a competitive edge in sourcing and production, catering to the specific needs of their customers. The company is dedicated to sustainability and corporate social responsibility, reflecting a commitment to ethical practices in their operations.


2. Poly Electronics

  • Website: polyelectronics.us
  • Ownership type: Private
  • Headquarters: Elkhart, Indiana, United States (USA)
  • Employee distribution: United States (USA) 90%, Bangladesh 10%
  • Founded year: 2016
  • Headcount: 51-200
  • LinkedIn: poly-electronics

Poly Electronics, based in Elkhart, Indiana, is an electronics manufacturer that has carved out a niche in PCB design, assembly, and engineering services since its rebranding in 2016. The company offers a comprehensive suite of solutions, including precision assembly, testing, and sourcing, primarily serving sectors like consumer electronics and automotive. With a workforce of around 31 employees, Poly Electronics emphasizes quality and timely delivery, which are critical in today's fast-paced market. Their operations are bolstered by a commitment to ISO 9001:2015 standards, ensuring that their processes meet rigorous quality benchmarks. The company also provides a complimentary Bill of Materials (BOM) risk assessment, showcasing their proactive approach to supply chain management. By leveraging a global network of suppliers, they aim to mitigate risks associated with component availability and obsolescence, thus enhancing their clients' operational efficiency.


3. Steiner Enterprises, Inc.

  • Website: steineronline.com
  • Ownership type: Private
  • Headquarters: Lafayette, Indiana, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1990
  • Headcount: 51-200
  • LinkedIn: steiner-enterprises-inc.

Steiner Enterprises, Inc., founded in 1990 and based in Lafayette, Indiana, is a private contract manufacturer that specializes in OEM services. The company offers a comprehensive range of manufacturing solutions, including electromechanical, electronic, and mechanical products. With a workforce of approximately 23 employees, Steiner has built a reputation for delivering high-quality components and efficient production processes. Their expertise spans various manufacturing capabilities such as PCB manufacturing, wire harnesses, injection molding, and metal fabrication. Serving clients across multiple sectors, including automotive, industrial, and food & beverage, Steiner Enterprises demonstrates a strong commitment to meeting the unique needs of its customers. The company emphasizes a collaborative approach, partnering with clients from design through to fulfillment, ensuring that their products are not only innovative but also cost-effective.


4. Hirata Corporation of America

  • Website: hirata.com
  • Ownership type: Private
  • Headquarters: Indianapolis, Indiana, United States (USA)
  • Employee distribution: United States (USA) 69%, Mexico 31%
  • Founded year: 1980
  • Headcount: 51-200
  • LinkedIn: hirata-corporation-of-america

Hirata Corporation of America, based in Indianapolis, Indiana, is a private manufacturing company founded in 1980. With a workforce of approximately 108 employees, the company specializes in advanced production systems and automation solutions tailored for various industries, including automotive, semiconductor, and home appliances. Hirata's products are designed to enhance production efficiency and quality, making them a vital partner for manufacturers looking to optimize their operations. The company operates globally, leveraging its extensive experience to meet the specific demands of its clients. Notably, Hirata has been involved in significant projects, such as the assembly lines for electric vehicles and related battery equipment, showcasing its relevance in the evolving electronic manufacturing sector. Their commitment to research and development further underscores their role in driving technological innovation within the industry.


5. Excel Electronics Inc.

  • Website: excelelectronicsinc.com
  • Ownership type: Private
  • Headquarters: Elkhart, Indiana, United States (USA)
  • Employee distribution: United States (USA) 60%, India 40%
  • Founded year: 2006
  • Headcount: 51-200
  • LinkedIn: excel-electronics

Excel Electronics Inc., based in Elkhart, Indiana, is a private company that has been operational since 2006. Specializing in electronic manufacturing services, they offer a comprehensive suite of solutions including custom circuit board design, assembly, and testing. The company serves a variety of sectors, notably automotive and medical, showcasing their ability to adapt to specific electronic needs. Excel Electronics prides itself on its personalized service, ensuring that they meet the unique requirements of each client. Their team, with a combined experience of over three centuries in electronics, is equipped to handle projects from initial concept through to completion. The company is certified under ISO 9001:2015 and holds IPC J-STD-001 and IPC-A-610 qualifications, reflecting their commitment to quality and industry standards. With a workforce distributed between the United States and India, Excel Electronics is positioned to provide efficient and effective manufacturing solutions.


6. Ciholas Inc.

  • Website: ciholas.com
  • Ownership type: Private
  • Headquarters: Newburgh, Indiana, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 2001
  • Headcount: 11-50
  • LinkedIn: ciholas-inc-

Ciholas Inc. is an engineering firm based in Newburgh, Indiana, specializing in custom electronic systems and Ultra-Wideband (UWB) technology. Founded in 2001, the company has grown from a one-man operation to a team of around 27 employees, all dedicated to crafting intricate electronic solutions for clients worldwide. Ciholas focuses on providing engineering services that cater to startups and established businesses alike, helping them navigate the complexities of product development. Their expertise spans various applications, including robotics and real-time location systems. Ciholas has been involved in notable projects, such as developing timing equipment for the Olympics and creating bomb diffusion robots for military use. The company prides itself on its innovative approach, holding several patents in embedded technology, and offers comprehensive support from initial concept through to manufacturing and distribution.


7. Okaya Electric America

  • Website: okaya.com
  • Ownership type: Private
  • Headquarters: Valparaiso, Indiana, United States (USA)
  • Employee distribution: United States (USA) 80%, China 20%
  • Founded year: 1990
  • Headcount: 11-50
  • LinkedIn: okaya-electric-america

Okaya Electric America, based in Valparaiso, Indiana, is a private electronics manufacturer that has been operational since 1990. As a subsidiary of Okaya Electric Industries Co., Ltd. in Japan, the company plays a significant role in the North American market for electronic components. They specialize in the design and production of various display technologies, including OLED, TFT, and LCD displays, which are utilized in a wide range of applications from consumer electronics to industrial equipment. Additionally, Okaya Electric America produces electrical components such as noise suppression devices and surge protection systems, which are critical for ensuring the reliability and longevity of electronic systems. The company is ISO 9001:14001 certified, reflecting their commitment to quality management and environmental responsibility. Their customer base primarily consists of businesses in the electronics sector, indicating a focused approach to meeting industry needs.


8. R.O. Whitesell

  • Website: whitesell.com
  • Ownership type: Private
  • Headquarters: Carmel, Indiana, United States (USA)
  • Employee distribution: United States (USA) 95%, Mexico 5%
  • Founded year: 1946
  • Headcount: 51-200
  • LinkedIn: r.o.-whitesell

R.O. Whitesell and Associates, founded in 1946 and based in Carmel, Indiana, operates as a manufacturers representative firm. The company specializes in the sales and marketing of electronic, electromechanical, and mechanical components and systems. They serve a wide array of industries, providing essential support to Original Equipment Manufacturers (OEMs) and electronic distributors. With a workforce where over 75% are degreed engineers, R.O. Whitesell emphasizes technical expertise in their sales approach. Their operations span across the United States and Mexico, with a strong emphasis on building long-term customer relationships. The firm is structured into territories, allowing for focused sales strategies and effective customer engagement. Their product offerings include a broad range of components, from capacitors and connectors to advanced semiconductors and sensors, catering to sectors such as industrial, medical, and telecommunications.


9. General Devices Co. Inc.

  • Website: generaldevices.com
  • Ownership type: Private
  • Headquarters: Indianapolis, Indiana, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1953
  • Headcount: 51-200
  • LinkedIn: general-devices-co.-inc.

General Devices Co. Inc., based in Indianapolis, Indiana, has been a family-owned business since its founding in 1953. The company specializes in manufacturing electronic packaging hardware and custom metal fabrication services. Their product lineup includes ball bearing slides, cabinets, and various custom fabrication solutions tailored for industries such as electronics, aerospace, and medical. With over 160,000 square feet of manufacturing space, General Devices is equipped with advanced technology and skilled employees to ensure high-quality production. They serve a B2B market, focusing on providing durable components that meet the specific needs of their clients. Their recent partnership with Sliding Systems further enhances their product offerings, allowing them to provide extreme-duty telescopic slides and linear rail systems. This strategic move reflects their commitment to innovation and customer service in the electronic manufacturing sector.


10. Riverside Mfg., LLC

  • Website: riversidemfg.com
  • Ownership type: Private
  • Headquarters: Fort Wayne, Indiana, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Latest funding: Other (Grant), $200,000, June 2022
  • Founded year: 1947
  • Headcount: 201-500
  • LinkedIn: riversidemfgllc

Riverside Mfg., LLC, based in Fort Wayne, Indiana, is an electronics manufacturer with a rich history dating back to 1947. The company specializes in creating solutions for harsh environments, producing a variety of products such as keyless entry systems, industrial gauges, and telematics systems. Their clientele spans several industries, including defense, construction, and emergency services, highlighting their ability to meet the rigorous demands of these sectors. Riverside Mfg. operates multiple manufacturing facilities, ensuring high-quality production and customer satisfaction. The company prides itself on its in-house engineering capabilities, which allow for custom solutions tailored to specific client needs. With a workforce of around 94 employees, Riverside Mfg. continues to innovate and adapt to the evolving landscape of electronic manufacturing, maintaining a strong focus on quality and reliability.


11. Indesign, LLC

  • Website: indesign-llc.com
  • Ownership type: Venture Capital
  • Headquarters: Indianapolis, Indiana, United States (USA)
  • Employee distribution: United States (USA) 85%, Egypt 5%, North Macedonia 3%, Other 6%
  • Latest funding: Seed, $70,000, January 2020
  • Founded year: 1996
  • Headcount: 51-200
  • LinkedIn: indesign-llc

Indesign, LLC, based in Indianapolis, Indiana, has been operational since 1996. The company specializes in engineering and design services, offering a wide array of solutions that include electrical, mechanical, and software design. They cater to various sectors, notably consumer electronics and medical devices, which are critical areas in the electronic manufacturing industry. Indesign's product development process is designed to assist clients in efficiently bringing innovative products to market, showcasing their expertise in managing complex projects. The company employs a team of skilled engineers and operates from a substantial design center, emphasizing their capability to handle diverse engineering challenges. Indesign has also received seed funding, which reflects investor confidence in their business model and growth potential.


12. Kamaya, Inc.

  • Website: kamaya.com
  • Ownership type: Private
  • Headquarters: Fort Wayne, Indiana, United States (USA)
  • Employee distribution: Malaysia 86%, United States (USA) 14%
  • Founded year: 1950
  • Headcount: 11-50
  • LinkedIn: kamaya-inc.

Kamaya, Inc., founded in 1950 and based in Fort Wayne, Indiana, is a manufacturer specializing in passive electronic components. The company produces a range of products, including capacitors, resistors, and inductors, which are vital for the functionality of electronic devices. Kamaya serves various industries, notably electronics and automotive, providing components that contribute to the reliability and performance of everyday devices. The company operates primarily through manufacturing and distribution channels, with a significant portion of its workforce located in Malaysia. Kamaya is committed to quality, as evidenced by its adherence to multiple ISO certifications, ensuring compliance with international standards. Their products are integral to many applications, from mobile devices to automotive systems, highlighting their importance in the electronic manufacturing sector.


13. Tmc

  • Website: tmcc.com
  • Ownership type: Private
  • Headquarters: Carmel, Indiana, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1978
  • Headcount: 11-50
  • LinkedIn: tmc-a-mel-foster-company

Technology Marketing Corporation (Tmc), founded in 1978 and based in Carmel, Indiana, is a manufacturer's representative firm that specializes in technology solutions. With a dedicated team of 27 employees, Tmc focuses on representing prominent semiconductor manufacturers and providing services related to passive electromechanical components and embedded systems. Their clientele primarily consists of businesses in the technology sector, which seek expert representation to enhance their market presence. Tmc has established a reputation for professionalism and technical expertise, as evidenced by numerous testimonials from partners and clients. They serve a broad geographic area, including Michigan, Indiana, Kentucky, Ohio, Western Pennsylvania, and West Virginia, and have built strong relationships with various manufacturers and distributors over the years. Tmc's commitment to customer care and their employee-owned structure further underline their focus on delivering value in the technology market.


14. Marian, Inc.

  • Website: marianinc.com
  • Ownership type: Corporate
  • Headquarters: Indianapolis, Indiana, United States (USA)
  • Employee distribution: United States (USA) 77%, China 15%, India 6%
  • Latest funding: August 2020
  • Founded year: 1954
  • Headcount: 1001-5000
  • LinkedIn: marian-inc.

Marian, Inc., founded in 1954 and based in Indianapolis, Indiana, is a manufacturer specializing in flexible materials. The company offers a wide array of manufacturing services, including die cutting, laminating, and prototyping. Their products cater to various industries, notably electronics, automotive, and medical devices. Marian's expertise in producing complex die-cut components is particularly significant for the electronics sector, where precision and quality are paramount. They serve a clientele that demands high-quality components for their products, ensuring that Marian remains a vital player in the supply chain. With a global presence, including operations in China and India, Marian is well-positioned to meet the needs of its customers across different markets. The company is ISO 9001 certified, reflecting its commitment to quality management and customer satisfaction.


15. AE Techron, Inc.

  • Website: aetechron.com
  • Ownership type: Private
  • Headquarters: Elkhart, Indiana, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 2000
  • Headcount: 11-50
  • LinkedIn: aetechron

AE Techron, Inc., founded in 2000 and based in Elkhart, Indiana, is a private electronics manufacturer that specializes in power amplifiers and test systems. The company serves a variety of sectors, including automotive, aviation, and telecommunications, providing solutions that ensure compliance with industry standards. AE Techron is known for its high-quality manufacturing processes and robust technical support, which are critical for enhancing product performance and reliability. Their product offerings include a range of linear and switching amplifiers, coupling transformers, and EMC test systems designed to meet stringent testing requirements. The company operates entirely within the United States and has a dedicated team focused on delivering tailored solutions to meet the specific needs of their clients in these demanding industries.


16. CC Electro Sales Inc.

  • Website: ccelectro.net
  • Ownership type: Private
  • Headquarters: Indianapolis, Indiana, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1981
  • Headcount: 11-50
  • LinkedIn: c-c-electro-sales

CC Electro Sales Inc. is an electronic components distributor based in Indianapolis, Indiana, established in 1981. The company specializes in technical sales and marketing, providing a wide array of electronic products to businesses in the electronics and manufacturing sectors. With a dedicated team of 20 employees, CC Electro focuses on fostering strong relationships with its customers and authorized distributors. They emphasize timely support and product development, recognizing the critical nature of time to market in the industry. Their product offerings include power supplies, sensors, connectors, and circuit protection devices, among others. CC Electro actively monitors market trends and engages in program management to address customer needs effectively. The company also participates in continuing education and holds leadership positions in relevant industry associations, showcasing their commitment to professional development and industry engagement.


17. GMI Corporation

  • Website: gmicorp.com
  • Ownership type: Corporate
  • Headquarters: Franklin, Indiana, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Latest funding: $184.0M, June 1994
  • Founded year: 1990
  • Headcount: 51-200
  • LinkedIn: gmicorporation

GMI Corporation, based in Franklin, Indiana, is a contract manufacturer that has been operational since 1990. The company specializes in high precision machining and assembly services, catering primarily to the medical device and aerospace industries. With a strong emphasis on quality, GMI operates under ISO 13485 certified processes, ensuring compliance with stringent regulatory standards. Their facility is equipped with advanced machinery, including Swiss-style and multi-axis lathes, allowing them to produce intricate components with tight tolerances. GMI's services extend to kitting, labeling, and assembly, making them a comprehensive partner for original equipment manufacturers (OEMs). The company has built a reputation for reliability and precision, serving clients who require high-quality components for sensitive applications. GMI transitioned to a 100% employee-owned structure in 2020, fostering a culture of collaboration and commitment to quality. Their involvement in the electronic manufacturing sector is underscored by their production of RF connector components and other electronic parts, which are critical for various applications.


18. TouchTronics, Inc.

  • Website: touchtronics.com
  • Ownership type: Private
  • Headquarters: Elkhart, Indiana, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1984
  • Headcount: 51-200
  • LinkedIn: touchtronics-inc.

TouchTronics, Inc., based in Elkhart, Indiana, is a technology manufacturer that has been crafting innovative wireless control and monitoring solutions since 1984. The company focuses on designing and producing custom RF, RFID, and Bluetooth components tailored for various applications, including law enforcement, recreational vehicles, and emergency services. With a workforce of around 31 employees, TouchTronics prides itself on its ability to provide short and medium-run custom components that are not available off the shelf. Their manufacturing process is conducted entirely in-house, ensuring high-quality standards and rigorous testing. The company’s capabilities extend from concept to production, allowing them to respond swiftly to client needs, particularly in urgent situations. TouchTronics has built a reputation for reliability and innovation, making them a trusted partner for businesses requiring specialized control systems.


19. Glassboard

  • Website: glassboard.com
  • Ownership type: Private
  • Headquarters: Indianapolis, Indiana, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 2015
  • Headcount: 11-50
  • LinkedIn: glassboard

Glassboard is a product development firm based in Indianapolis, Indiana, founded in 2015. The company specializes in hardware solutions, offering a comprehensive suite of services that includes strategy, design, engineering, and production. Their team consists of mechanical engineers, electrical engineers, embedded software engineers, and designers who collaborate to bring innovative products from concept to market. Glassboard serves a variety of industries, including healthcare, consumer products, industrial applications, and transportation. They have worked with clients ranging from startups to Fortune 500 companies, showcasing their ability to tackle projects of varying scales and complexities. Their approach emphasizes transparency and collaboration, aiming to streamline the product development process and enhance time-to-market for their clients.


20. Bowmar LLC

  • Website: bowmarllc.com
  • Ownership type: Private
  • Headquarters: Fort Wayne, Indiana, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1951
  • Headcount: 11-50
  • LinkedIn: bowmar-llc

Bowmar LLC, based in Fort Wayne, Indiana, is an aerospace manufacturer that specializes in complex precision critical function assemblies for the aerospace and defense industries. Founded in 1951 by electrical engineer Ed White, the company has evolved from its initial focus on precision gearing to a broader range of products, including electro-mechanical assemblies, precision gear heads, and human-machine interface products. Bowmar serves a variety of clients, including government entities and prime contractors, providing high-quality components essential for military and commercial aircraft. The company is dedicated to engineering support, offering services from design to specification and reverse engineering. Bowmar is recognized for its commitment to quality, holding certifications such as ISO9001 and AS9100, and is ITAR registered and JCP certified. Their products have been integral to numerous aircraft, including the F-15, F-16, and various commercial jets, demonstrating their significant role in the aerospace sector.


21. ACTIA Corporation

  • Website: actiaus.com
  • Ownership type: Corporate
  • Headquarters: Elkhart, Indiana, United States (USA)
  • Employee distribution: United States (USA) 85%, Tunisia 8%, India 3%, Other 3%
  • Latest funding: July 2024
  • Founded year: 1989
  • Headcount: 51-200
  • LinkedIn: actia-corporation

ACTIA Corporation, founded in 1989 and based in Elkhart, Indiana, is a technology firm that specializes in innovative electronics and diagnostics solutions for various sectors, particularly automotive and transportation. With a workforce of around 87 employees, ACTIA focuses on providing a range of products including telematics, multimedia systems, and human-machine interfaces. Their solutions are tailored for original equipment manufacturers (OEMs) and fleet operators, enhancing vehicle safety and efficiency. ACTIA has established a reputation for quality and performance, serving multiple markets such as heavy trucks, buses, marine, and military applications. The company is part of the ACTIA Group, an international entity based in Toulouse, France, which underscores its global reach and expertise in the field. ACTIA's commitment to innovation and eco-design is evident in their recent investments in micromobility solutions, reflecting their adaptability to changing market demands.



Electronic Manufacturing Insights: Key Companies in Indiana


CompanyHeadquarterSizeFoundedOwnership
DIVSYS International-ICAPE, LLCIndianapolis, Indiana, United States (USA)11-502010Private
Poly ElectronicsElkhart, Indiana, United States (USA)51-2002016Private
Steiner Enterprises, Inc.Lafayette, Indiana, United States (USA)51-2001990Private
Hirata Corporation of AmericaIndianapolis, Indiana, United States (USA)51-2001980Private
Excel Electronics Inc.Elkhart, Indiana, United States (USA)51-2002006Private
Ciholas Inc.Newburgh, Indiana, United States (USA)11-502001Private
Okaya Electric AmericaValparaiso, Indiana, United States (USA)11-501990Private
R.O. WhitesellCarmel, Indiana, United States (USA)51-2001946Private
General Devices Co. Inc.Indianapolis, Indiana, United States (USA)51-2001953Private
Riverside Mfg., LLCFort Wayne, Indiana, United States (USA)201-5001947Private
Indesign, LLCIndianapolis, Indiana, United States (USA)51-2001996Venture Capital
Kamaya, Inc.Fort Wayne, Indiana, United States (USA)11-501950Private
TmcCarmel, Indiana, United States (USA)11-501978Private
Marian, Inc.Indianapolis, Indiana, United States (USA)1001-50001954Corporate
AE Techron, Inc.Elkhart, Indiana, United States (USA)11-502000Private
CC Electro Sales Inc.Indianapolis, Indiana, United States (USA)11-501981Private
GMI CorporationFranklin, Indiana, United States (USA)51-2001990Corporate
TouchTronics, Inc.Elkhart, Indiana, United States (USA)51-2001984Private
GlassboardIndianapolis, Indiana, United States (USA)11-502015Private
Bowmar LLCFort Wayne, Indiana, United States (USA)11-501951Private
ACTIA CorporationElkhart, Indiana, United States (USA)51-2001989Corporate


Want to Find More Electronic Manufacturing Companies?

If you want to find more companies that offer services like PCB assembly and custom electronic engineering you can do so with Inven. This list was built with Inven and there are hundreds of companies like these globally.

With Inven you'll also get to know the company's:

  • Detailed Ownership: Who owns the company? Is it a public or private company? What is the ownership structure?
  • Contact data: Who are the founders and CEO's? What are their emails and phone numbers?
  • Financials: How do these companies perform financially? What are their revenues and profit margins?

...and a lot more!