The electronics manufacturing industry in Illinois is a widely diverse and dynamic sector, with a multitude of companies providing a range of innovative solutions. These services range from designing and manufacturing battery packs, cable assemblies, and wire harnesses to creating electrical components and devices for various interconnected industries. The industry in Illinois stands as a prominent force thanks to its continual advancement through technological innovation, and its significant contribution to both national and international markets. As the industry embraces novel technologies and sustainable practices, it is poised for futuristic developments contributing to a smarter, well-connected world.


Top 19 electronics manufacturing companies in Illinois

1. Molex

  • Website: molex.com
  • Headquarters: Lisle, Illinois, United States
  • Founded: 1938
  • Headcount: 10001+
  • Latest funding type: Acquired
  • LinkedIn

Molex is a global company specializing in interconnectivity solutions for various industries. With a focus on innovation, Molex offers a wide range of electrical components and devices, including cable assemblies, terminals, and interconnect systems. The company has a long history of providing reliable and high-performance solutions to meet the needs of its diverse customer base.


2. Inventus Power

Inventus Power is the leading provider of advanced battery and power systems for global OEMs. They specialize in design and manufacture of Li-ion battery packs, smart chargers, and efficient power supplies for portable, motive, and stationary applications.


3. Kauffman Engineering

  • Website: kewire.com
  • Headquarters: Lincolnshire, Illinois, United States
  • Founded: 1973
  • Headcount: 1001-5000
  • Latest funding type: Acquired
  • LinkedIn

Kauffman Engineering is a leading manufacturer of cable assemblies and wire harnesses. With over 40 years of experience, they deliver cost-effective solutions for electrical system needs. Their expertise extends to manufacturing instrument panels, thermoform decorative surfaces, and critical surface finishes. They prioritize competitive pricing, on-time delivery, and exceptional customer service.


4. Royal Power Solutions Co.

Royal Power Solutions is a company that specializes in developing and manufacturing electrical connectors and power distribution solutions. With over 80 years of experience, they offer a wide range of products including battery terminals, busbars, high power lock boxes, and stamped battery terminal covers. Their innovative and cost-effective design solutions prioritize quality and performance. They also provide application assistance, material selection, and tooling design services to optimize product and assembly processes for maximum efficiency.


5. National Power Corporation

National Power Corporation is a U.S.-based manufacturer with global reach, specializing in portable and wireless communication devices, mobile radios, fire and safety equipment, satellite systems, headsets, homeland security monitoring, infrared cameras, military communications gear, and more.


6. United Chemi-Con Inc.

  • Website: chemi-con.com
  • Headquarters: Rolling Meadows, Illinois, United States
  • Founded: 1970
  • Headcount: 201-500
  • LinkedIn

United Chemi-Con is a leading manufacturer and supplier of aluminum electrolytic capacitors and electronic components. They offer innovative and customer-centric technology solutions for various industries. With a wide range of products and a commitment to industry innovation, they strive to meet the needs of their customers and promote advanced technology.


7. Fuji America Corporation

Fuji America Corporation is a company offering a range of advanced manufacturing solutions for the electronics industry. They provide smart factory platforms, screen printers, wafer and SMD placement machines, and automated fabrication machines. Their modular and scalable approach helps reduce footprint, labor costs, and downtime. Fuji America Corporation is committed to improving efficiency and productivity in electronics production.


8. Circuit Works Corporation

  • Website: cwcems.com
  • Headquarters: Waukegan, Illinois, United States
  • Headcount: 51-200
  • LinkedIn

Circuit Works Corporation is a leading electronic manufacturing services (EMS) provider, specializing in the production of electronic prototypes to full production. With over 25 years of experience, we offer a comprehensive range of services and can scale to meet any challenge. Our commitment to quality and our advanced global procurement capabilities enable us to deliver innovative electronic solutions quickly, efficiently, and cost-effectively.


9. Midwest Printed Circuit Services, Inc.

  • Website: midwestpcb.com
  • Headquarters: Round Lake Beach, Illinois, United States
  • Founded: 1984
  • Headcount: 51-200
  • LinkedIn

Midwest PCB is a company that offers comprehensive solutions for printed circuit boards. They specialize in designing, manufacturing, and assembling PCBs for various industries.


10. Amitron Printed Circuit Boards

  • Website: amitron.com
  • Headquarters: Elk Grove Village, Illinois, United States
  • Founded: 1985
  • Headcount: 51-200
  • LinkedIn

Amitron is a PCB manufacturer with over 30 years of experience in the industry. They offer high quality and high value PCBs with flexible capabilities, including prototypes, mid-range, and production volume PCBs. Their state-of-the-art facility allows for domestic production and customer service, while also owning and operating a facility in Southeast Asia for lower prices.


11. Altak INC

Altak Inc. is a leading provider of OEM electronic components and wire harnesses for the automotive, transportation, and other industries. They combine the latest assembly technology, global sourcing, quality processes, and value-added services to provide high-quality products at a competitive cost.


12. Imagineering Inc.

  • Website: pcbnet.com
  • Headquarters: Elk Grove Village, Illinois, United States
  • Founded: 1986
  • Headcount: 11-50
  • LinkedIn

PCBnet.com is a company that specializes in PCB fabrication and assembly. They offer high-quality printed circuit boards with a quick turnaround time. With their expertise in PCB technology, they provide a wide range of materials and certifications for various circuit board projects.


13. Precision Technologies - eProtos.com

  • Website: eprotos.com
  • Headquarters: Glendale Heights, Illinois, United States
  • Founded: 1998
  • Headcount: 11-50
  • LinkedIn

eProtos.com is a leading supplier of PCB Design and Assembly services, offering a complete streamlined One-Stop PCB solution for over 18 years. They specialize in quick turn prototype and production quantities for PCB Fabrication and Full Turnkey PCB Assembly services, with the highest quality and most reliable manufacturing in the industry.


14. Methode Electronics

  • Website: methode.com
  • Headquarters: Chicago, Illinois, United States
  • Founded: 1946
  • Headcount: 5001-10000
  • Latest funding type: Ipo
  • LinkedIn

Methode Electronics is a leading global supplier of custom-engineered solutions for automotive and industrial clients. They design and develop core sensor solutions and offer comprehensive knowledge and support throughout the production process.


15. Hitachi High-Tech America, Inc.

Hitachi High-Tech is a global company that offers a wide range of products and services including benchtop XRF analyzers, coatings analyzers, optical emission spectrometers, thermal analyzers, and more. They serve various industries such as metal finishing, plating, coating, mining, manufacturing, and polymers.


16. Joule Technologies

Joule Technologies is a manufacturing solutions provider that offers expertise and support for testing equipment. Their collaborative process eliminates surprises, increases accountability, and improves customer satisfaction.


17. IMS Buhrke-Olson

  • Website: metalstamper.com
  • Headquarters: Arlington Heights, Illinois, United States
  • Founded: 1937
  • Headcount: 501-1000
  • LinkedIn

Metalstamper.com is a precision metal stamping supplier that offers cost-competitive solutions for various markets. They specialize in providing precision metal stampings and mechanical assemblies, with a focus on world-class quality, efficiency, and customer service.


18. Versatility Tool Works and Manufacturing Company, Incorporated

Versatility Tool Works and Manufacturing is a precision sheet metal fabrication company that offers a range of services from CNC punching, fastener insertion, laser cutting, to robotic welding. They have expertise in stamping with various material types, including special purpose metal alloys. The company's advanced technology, experienced team, and various capabilities make them a reliable partner for turnkey electro-mechanical assembly and fulfillment. They serve clients from different industries and offer engineering assistance and design and fabrication of tooling for customized solutions.


19. ConnectorSupplier.com

ConnectorSupplier.com is a website that offers a wide range of connectors and related products for various markets such as automotive, consumer electronics, datacom/telecom, industrial, medical, military/aerospace, and transportation.


Want to find more electronics manufacturing companies?


If you want to find more companies that offer innovative power systems, electrical components, and interconnect solutions 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:


  • Ownership: Which of these are private equity backed? Which are family-owned?
  • Contact data: Who are the owners 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!