US Factory Map

Electrical equipment manufacturers in Illinois

Illinois has 95 electrical equipment makers in EPA records, facilities that list codes for motors, transformers, switchgear, wire and wiring devices. The most are in Chicago, Lisle and Channahon. That is 4% of the 2,373 such facilities nationwide, and Illinois ranks #4 of 50 states.

Product
Electrical equipment manufacturers
Facilities
95
State rank
#4
NAICS
335311 and 8 related codes
Revised
November 1, 2026

Facilities in Illinois

These are active facilities in EPA's ECHO database that list a code for motors, transformers, switchgear, wire and wiring devices. The 40 shown first are the ones with the most EPA program records, which usually means the larger sites.

FacilityCityWhat EPA lists
S & C Electric CoChicagoSwitchgear and Switchboard Apparatus Manufacturing
Molex Inc.LisleCurrent-Carrying Wiring Device Manufacturing
Lion Electric Manufacturing USA IncChannahonMotor and Generator Manufacturing
Chillicothe Metal Co IncChillicotheCurrent-Carrying Wiring Device Manufacturing
Panduit CorpLockportNoncurrent-Carrying Wiring Device Manufacturing
Warner Electric Motion Control SystemsMarengoRelay and Industrial Control Manufacturing
Bellwood Electric MotorsBellwoodMotor and Generator Manufacturing
Cardinal Health Logistics CenterChannahonMotor and Generator Manufacturing
Caterpillar Inc Facility HChillicotheMotor and Generator Manufacturing
Domino Amjet IncGurneeAll Other Miscellaneous Electrical Equipment and Component Manufacturing
Electri-Flex CoRoselleNoncurrent-Carrying Wiring Device Manufacturing
Enercon Engineering IncEast PeoriaSwitchgear and Switchboard Apparatus Manufacturing
General Electric CoMorrisonAll Other Miscellaneous Electrical Equipment and Component Manufacturing
Harger Lightning & GroundingGrayslakeCurrent-Carrying Wiring Device Manufacturing
Ideal Industries IncSycamoreAll Other Miscellaneous Electrical Equipment and Component Manufacturing
Joliet Electric Motors LLCJolietMotor and Generator Manufacturing
Magnetrol International IncAuroraAll Other Miscellaneous Electrical Equipment and Component Manufacturing
Powell Electrical Systems IncNorthlakeAll Other Miscellaneous Electrical Equipment and Component Manufacturing
Ronken Industries IncSpring ValleyAll Other Miscellaneous Electrical Equipment and Component Manufacturing
Simplex IncSpringfieldRelay and Industrial Control Manufacturing
Southwire CoWaukeganOther Communication and Energy Wire Manufacturing
A Avana Electric MotorsChicagoCurrent-Carrying Wiring Device Manufacturing
Altorfer IncPeoriaMotor and Generator Manufacturing
Ametek PowervarWaukeganPower, Distribution, and Specialty Transformer Manufacturing
Amphenol Fiber Optic ProductsLisleFiber Optic Cable Manufacturing
Autotrol CorpCrystal LakeMotor and Generator Manufacturing
Bosch Rexroth CorpHoffman EstatesRelay and Industrial Control Manufacturing
Brk Electronics IncAuroraAll Other Miscellaneous Electrical Equipment and Component Manufacturing
Climco Coils CoMorrisonPower, Distribution, and Specialty Transformer Manufacturing
CoilformGenevaCurrent-Carrying Wiring Device Manufacturing
Cooper Bussmann ChicagoChicagoSwitchgear and Switchboard Apparatus Manufacturing
Danfoss DrivesLoves ParkRelay and Industrial Control Manufacturing
Delta-Unibus CorporationNorthlakeSwitchgear and Switchboard Apparatus Manufacturing
Eastern Electric Apparatus Repair CoJolietMotor and Generator Manufacturing
Eastland Industries IncHillsideMotor and Generator Manufacturing
Eaton CorpLincolnPower, Distribution, and Specialty Transformer Manufacturing
Eaton CorpGlendale HeightsSwitchgear and Switchboard Apparatus Manufacturing
Electro-Matic Products CompanyChicagoRelay and Industrial Control Manufacturing
Eleven 35 LLCChicagoMotor and Generator Manufacturing
Forest Electric CoMelrose ParkPower, Distribution, and Specialty Transformer Manufacturing

Industry codes are reported by facilities to EPA programs and are not checked here. A few listings may be repair shops, distributors or recyclers. How these records work.

Where they are

  • Chicago: 9
  • Lisle: 2
  • Channahon: 2
  • Chillicothe: 2
  • Morrison: 2
  • Grayslake: 2

By product code

  • Motor and Generator Manufacturing (NAICS 335312): 10 of those shown
  • All Other Miscellaneous Electrical Equipment and Component Manufacturing (NAICS 335999): 7 of those shown
  • Switchgear and Switchboard Apparatus Manufacturing (NAICS 335313): 5 of those shown
  • Relay and Industrial Control Manufacturing (NAICS 335314): 5 of those shown
  • Current-Carrying Wiring Device Manufacturing (NAICS 335931): 5 of those shown
  • Power, Distribution, and Specialty Transformer Manufacturing (NAICS 335311): 4 of those shown
  • Noncurrent-Carrying Wiring Device Manufacturing (NAICS 335932): 2 of those shown
  • Fiber Optic Cable Manufacturing (NAICS 335921): 1 of those shown
  • Other Communication and Energy Wire Manufacturing (NAICS 335929): 1 of those shown

All electrical equipment and appliances manufacturing in Illinois: 112 facilities and Census job counts.