The electronic manufacturing industry in Illinois encompasses a variety of companies, each making significant contributions with their unique offerings in the electronics sector. These organizations range from those that specialize in interconnectivity solutions, such as producing various electrical components and devices, to firms that focus on powering the world through advanced battery systems. Others bring innovation and simplicity to complicated problems, providing services that take concepts from mind to market. As technology progresses, the industry is poised to move forward with it, making Illinois a hub for electronic manufacturing, contributing to both domestic and global markets.


Top 24 electronic 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. Bi-Link

  • Website: bi-link.com
  • Headquarters: Bloomingdale, Illinois, United States
  • Founded: 1961
  • Headcount: 1001-5000
  • LinkedIn

Bi-Link Corporation is a family-owned company that has been partnering with engineers at industry leading firms for over 50 years. They offer a range of services including open innovation, prototyping, injection molding, metal stamping, and assembly services. Bi-Link serves engineers across the globe, providing unconventional thinking and simplified solutions. They are a global supplier of mechanical components and specialize in taking products from Mind To Marketâ„¢. With facilities in China, Mexico, Europe, and the U.S., Bi-Link offers a truly global presence.


4. VTech Electronics

  • Website: vtechkids.com
  • Headquarters: Arlington Heights, Illinois, United States
  • Founded: 1976
  • Headcount: 51-200
  • LinkedIn

VTech is a company that specializes in the development and manufacturing of electronic learning toys for infants, preschoolers, and kids. Their products include tablets, smartwatches, cameras, and educational games that are interactive and engaging. With a focus on early childhood development, VTech offers fun and educational experiences for children.


5. 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.


6. 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.


7. Siemens Manufacturing Co., Inc.

Siemens Manufacturing is an innovative EMS provider committed to delivering quality solutions for customers worldwide. With a focus on customized products and leading-edge technology, Siemens offers a range of manufacturing capabilities including surface mount assembly, through-hole assembly, and mixed technology. They provide value through cost effectiveness, flexibility, and efficient inventory management.


8. 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.


9. 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.


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. 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.


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. Creative Hi-Tech Ltd.

Creative Hi-Tech is a leading PCB assembly services provider. They offer a comprehensive range of services from design to delivery, for single and multi-layer PCBs. With a state-of-the-art facility, they utilize the latest in PCB design software, prototyping machines, and assembly equipment.


14. 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.


15. 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.


16. Miltronix INC

  • Website: mil-tronix.com
  • Headquarters: Glendale Heights, Illinois, United States
  • Founded: 1983
  • Headcount: 11-50
  • LinkedIn

Miltronix Circuits is a PCB manufacturing company offering fast prototyping and high-quality PCB products, designed and delivered in the US. They offer a complete project management service including PCB design and assembly with component procurement.


17. Indak Manufacturing Corporation

  • Website: indak.com
  • Headquarters: Northbrook, Illinois, United States
  • Founded: 1947
  • Headcount: 201-500
  • LinkedIn

THE INDAK GROUP an American company headquartered near Chicago Illinois with Manufacturing locations in Illinois, Wisconsin and Georgia offering a seven-decade history of design engineering and manufacturing excellence in Electronic and Electro-Mechanical manufacture, design and assembly. The INDAK GROUP produces components for the Automotive, Medical Device, Lawn and Garden, Heavy Truck, Off Road Recreation and Home Appliance industries.


18. 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.


19. EarMen LLC

  • Website: earmen.com
  • Headquarters: Winnetka, Illinois, United States
  • Headcount: 11-50
  • LinkedIn

EarMen offers powerful audio components that are elegantly designed for simple plug & play use. Their products are designed and engineered by Miki Trosic, renowned throughout the audio industry as the founder of Auris Audio. Manufactured in Europe to ensure the highest standards in production quality.


20. RB Manufacturing

  • Website: rbmfg.com
  • Headquarters: Kirkland, Illinois, United States
  • Headcount: 11-50
  • LinkedIn

We provide engineering & manufacturing service to support your company's needs. RB Manufacturing & Electronics is a contract electronic assembly company with over 35 years of engineering, manufacturing and assembly experience in electronic and mechanical product design and assembly.


21. 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.


22. 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.


23. 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.


24. Harrington Signal, Inc.

Harrington Signal is a company that helps equipment manufacturers find solutions and achieve their objectives. They offer services such as PCBA Printed Circuit Board Assembly, Electro-mechanical Assembly, Box Build Assembly, and Supply Management Services.


Want to find more electronic manufacturing companies?


If you want to find more companies that offer a broad spectrum from interconnectivity solutions to advanced battery systems 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?
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...and a lot more!