In the rapidly advancing world of technology, power electronics have occupied a considerable space being quintessential for numerous applications. Various companies in Illinois are engaged in the manufacturing, distribution, and application of power electronics. They offer varied products like advanced battery systems, overcurrent breakers, power transformers, and DC power supplies, among others. They primarily serve Original Equipment Manufacturers (OEMs) and are recognized globally for their quality and innovation. This industry is shaping the future of electronics with forward-looking developments like automation, process control, and equipment technology.


Top 21 power electronics companies in Illinois

1. 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.


2. E-T-A Circuit Breakers

  • Website: e-t-a.com
  • Headquarters: Mt. Prospect, Illinois, United States
  • Founded: 1955
  • Headcount: 51-200
  • LinkedIn

E-T-A is a global leader in circuit protection devices, offering a comprehensive range of overcurrent breakers, power distribution systems, relays, and intelligent power management solutions. With expertise in automation, process control, and equipment technology, they provide custom-designed solutions for various industries. Their products optimize efficiency, reduce wiring and assembly time, and ensure quality and safety. E-T-A's extensive product portfolio, technical understanding, and cooperative partnerships make them a trusted choice for businesses worldwide.


3. PowerVolt, Inc.

  • Website: powervolt.com
  • Headquarters: Addison, Illinois, United States
  • Founded: 1986
  • Headcount: 51-200
  • LinkedIn

PowerVolt is a manufacturer of power transformers and DC power supplies for Original Equipment Manufacturers(OEM). They offer both standard and custom transformers and power supplies that are UL, CSA, and CE recognized and approved. With a strong reputation for high quality and reliable products, PowerVolt has been serving customers since 1973.


4. NXT Power, LLC

  • Website: nxtpower.com
  • Headquarters: Norridge, Illinois, United States
  • Founded: 2020
  • Headcount: 11-50
  • Latest funding type: Seed
  • LinkedIn

NXT Power offers power quality solutions for businesses in various industries, helping them tackle their toughest power challenges. They provide reliable and advanced power protection systems and equipment, ensuring uninterrupted uptime for sensitive electronic systems.


5. Trenco Llc

Schaffner Trenco is a company that provides innovative and high-quality power electronics products for a variety of markets such as renewable energy, rail and traction, automation and drive technology, power quality, and medical technology.


6. American Control Electronics

American Control Electronics is a designer and manufacturer of electronic controls for electric motors, offering a comprehensive line of AC and DC control systems and power products for industrial, commercial, EV, medical and home automation markets.


7. Richardson Electronics, Ltd.

  • Website: rell.com
  • Headquarters: Lafox, Illinois, United States
  • Founded: 1947
  • Headcount: 201-500
  • Latest funding type: Ipo
  • LinkedIn

Richardson Electronics, Ltd. is a global provider of engineered solutions, power grid and microwave tubes, as well as new solid-state technologies and energy storage solutions.


8. 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.


9. Starfire Industries, LLC

Starfire Industries is a vertically-integrated manufacturing company based in Champaign, IL. They offer precision-engineered thin-film coatings and etching at the atom scale. Their product range includes nGen® Neutron Generators, Centurion® Linear Accelerator, and Impulse® Pulsed Power Module. With their technical depth and expertise, they provide custom services and solutions for testing, research, engineering, and prototyping needs.


10. 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.


11. Coilcraft, Inc.

  • Website: coilcraft.com
  • Headquarters: Cary, Illinois, United States
  • Founded: 1945
  • Headcount: 1001-5000
  • LinkedIn

Coilcraft is a trusted manufacturer of high-quality magnetics for mission-critical applications, offering a range of power inductors, RF inductors, transformers, EMI choke/beads, and high temp coils. With a focus on performance in tough environments, Coilcraft's products are designed and tested to meet demanding requirements.


12. Shindengen America, Inc

  • Website: shindengen.com
  • Headquarters: Palatine, Illinois, United States
  • Founded: 1949
  • Headcount: 1001-5000
  • Latest funding type: Ipo
  • LinkedIn

Shindengen is a semiconductor and power management company that offers a wide range of products for various industries. They specialize in providing solutions for energy efficiency and contribute to the growth of society by creating products that solve problems and benefit people.


13. Richardson RFPD

Richardson RFPD is a company that offers a wide range of electronic components and solutions. They provide power conversion assemblies, linear ICs, RF amplifiers, software, and services to their customers.


14. Consolidated Electronic Wire and Cable

  • Website: conwire.com
  • Headquarters: Franklin Park, Illinois, United States
  • Founded: 1919
  • Headcount: 51-200
  • LinkedIn

Consolidated Electronic Wire & Cable is a full line source for standard and custom electronic wire, cable, power supply cords, molded cable assemblies, and wiring harnesses. They offer a wide range of styles and combinations of stranding and insulation materials to meet specific application needs. Their power and retractile cords are designed for specialized electronic applications in the U.S. and abroad. With over 100 years of industry experience, they are a reliable and trusted provider in the electronic wire and cable industry.


15. Universal Air Filter

  • Website: uaf.com
  • Headquarters: Sauget, Illinois, United States
  • Founded: 1959
  • Headcount: 51-200
  • Latest funding type: Acquired
  • LinkedIn

UAF.com is a leading provider of advanced electronic air filtration solutions for mission critical E911 communications equipment and clean energy applications. They offer a wide range of air filters for industries such as telecom, power generation, electronics, and medical devices.


16. Azumo

  • Website: azumotech.com
  • Headquarters: Chicago, Illinois, United States
  • Founded: 2008
  • Headcount: 11-50
  • Latest funding type: Series Unknown
  • LinkedIn

Azumo is a company that enhances color images and video viewability in dark, dim, and direct sunlight environments. They offer optically bonded cover lens and touch panel. Their LCD 2.0 technology provides consistent contrast indoors and outdoors for optimal viewing. They provide slim, low-power displays for custom applications and industrial products. Azumo's frontlight reflective LCD module is the next generation of display technology.


17. Pacific Electronics Corporation

Pacific Electronics Corp is a custom component manufacturer specializing in the production of intercom systems, electronic components, power supplies, transformers, and fans. They offer a wide range of products including door monitors, nurse call systems, emergency call systems, and custom services such as aluminum extrusion and circuit board printing.


18. American Industrial Company

American Industrial Co. provides metal stamped parts and precision metal stamping services to various industries, including appliance manufacturing, power tool industry, and electronics manufacturing.


19. Concare Inc

  • Website: concare.com
  • Headquarters: Melrose Park, Illinois, United States
  • Founded: 1979
  • Headcount: 11-50
  • LinkedIn

Concare Inc. is an industrial floor coating contractor that offers a wide range of flooring solutions for various industries. They specialize in providing services such as surface preparation, grinding, shot blasting, milling, power washing, leveling, and sloping. They also offer various protective coatings, including epoxy, MMA, urethane, and cementitious coatings. Their customers range from the food/beverage, healthcare, medical device, pharmaceutical, manufacturing, school/recreation, and data/electronics industries.


20. FLI Charge

  • Website: flicharge.com
  • Headquarters: Lake Forest, Illinois, United States
  • Founded: 2019
  • Headcount: 11-50
  • Latest funding type: Acquired
  • LinkedIn

FLI Charge is a sophisticated and powerful all-in-one charging solution that offers fast and safe charging for all devices. With their proprietary technology, their powered surfaces are as fast as a wall outlet and safe to touch. They provide a revolutionary way to power future generations.


21. Shape LLC

  • Website: shapellc.com
  • Headquarters: Addison, Illinois, United States
  • Founded: 1966
  • Headcount: 11-50
  • Latest funding type: Debt Financing
  • LinkedIn

Shape, LLC is a global source for custom electric transformers and magnetic assemblies. The company offers specialty transformers, including ferro-resonant/constant voltage transformers and high-powered regulating ballasts, as well as value-added assemblies and systems for a variety of markets and applications.


Want to find more power electronics companies?


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