Electrical Equipment, Appliance & Component Manufacturing in Illinois

NAICS 335 · IL

The Electrical Equipment, Appliance & Component Manufacturing industry in Illinois had 588 establishments, according to the Bureau of Labor Statistics in 2025. This register lists 349 facilities in Illinois. S&C Electric Company Chicago, located in Chicago, employed 2733 people in 2025.

SUMMARIZED FROM THE FEDERAL FIGURES ON THIS PAGE

Plants in Illinois268 FACILITIES

Listing 268 of 349: the facilities with a website, a size band or two sources on record. The rest are in site search.

Facility	City	Employees	Status
UWUnified Wire and Cable, INC.	Dekalb	20–99	◐ LIKELY ACTIVE
UMUnity Manufacturing CO	Chicago	20–99	◐ LIKELY ACTIVE
AAAddison Automatics INC	Harmon	20–99	◐ LIKELY ACTIVE
HLHarger Lightning Protection	Grayslake	100–499	◐ LIKELY ACTIVE
IEInglot Electronics CORP	Chicago	20–99	◐ LIKELY ACTIVE
MCMachinery Components INC	West Chicago	20–99	◐ LIKELY ACTIVE
CLClarios LLC	Geneva	—	◐ LIKELY ACTIVE
FCFalex CORP	Sugar Grove	20–99	◐ LIKELY ACTIVE
IPInventus Power	Woodridge	100–499	◐ LIKELY ACTIVE
MRMaytag/galesburg Refrigeration Products	Galesburg	—	◐ LIKELY ACTIVE
MIMrk Industries INC	Libertyville	20–99	◐ LIKELY ACTIVE
PIPnc INC	Polo	100–499	◐ LIKELY ACTIVE
RIRonken Industries INC	Spring Valley	1–19	◐ LIKELY ACTIVE
WPWeber-stephen Products LLC	Huntley	100–499	◐ LIKELY ACTIVE
ECEaton CORP	Lincoln	—	◐ LIKELY ACTIVE
ECElectri-flex CO	Roselle	—	◐ LIKELY ACTIVE
Ideal Industries INC	Sycamore	—	◐ LIKELY ACTIVE
IIIdeal Industries INC	Sycamore	—	◐ LIKELY ACTIVE
MIMicron Industries CORP	Sterling	20–99	◐ LIKELY ACTIVE
TMTransformer Mfg INC	Norridge	1–19	◐ LIKELY ACTIVE
CUCegasa USA INC	Addison	1–19	◐ LIKELY ACTIVE
ICIcotek CORP.	Chicago	—	◐ LIKELY ACTIVE
Mantis Tech, LLC	Oswego	—	◐ LIKELY ACTIVE
Portable Lighting Solutions, INC.	Elk Grove Village	—	◐ LIKELY ACTIVE
Pro-care Sign & Electric CO.	Schaumburg	—	◐ LIKELY ACTIVE
SMSpecial Mine Services INC	West Frankfort	20–99	▲ REPORTED CLOSED
US Cord Set Mfg. INC.	Lincolnwood	—	◐ LIKELY ACTIVE
Uusco of Illinois INC	West Chicago	—	◐ LIKELY ACTIVE
CCCopar Corporation	Burbank	20–99	◐ LIKELY ACTIVE
JEJoliet Electric Motors LLC	Joliet	20–99	◐ LIKELY ACTIVE
LMLotus Management Group	Chicago	1–19	◐ LIKELY ACTIVE
LCLuminii Corp.	Niles	100–499	◐ LIKELY ACTIVE
TIThermosoft International Corporation	Vernon hills	20–99	◐ LIKELY ACTIVE
WEWarfield Electric Company INC.	Frankfort	20–99	◐ LIKELY ACTIVE
APAsk Products	Aurora	20–99	◇ UNVERIFIED
SISiemens Industry INC	West Chicago	—	◇ UNVERIFIED
SCSouthwire CO	Waukegan	—	◇ UNVERIFIED
BMBarcar Manufacturing, INC.	Elburn	1–19	◐ LIKELY ACTIVE
CWClark Wire & Cable CO INC	Mundelein	20–99	◐ LIKELY ACTIVE
CLContech Lighting	Northbrook	100–499	◐ LIKELY ACTIVE
FIFiberfin, INC	Yorkville	1–19	◐ LIKELY ACTIVE
FIFirefly International Energy CO	Peoria	—	◐ LIKELY ACTIVE
KEKsm Electronics, INC.	Warrenville	—	◐ LIKELY ACTIVE
LMLa Marche Mfg CO.	Des Plaines	—	◐ LIKELY ACTIVE
LMLeviton Manufacturing Co., INC.	Bloomingdale	20–99	◐ LIKELY ACTIVE
MCMinerallac Company	Hampshire	100–499	◐ LIKELY ACTIVE
PCPanduit CORP	Lockport	—	◐ LIKELY ACTIVE
PIPowervar INC	Waukegan	—	◐ LIKELY ACTIVE
RDRevolution Delavan LLC	Delavan	—	◐ LIKELY ACTIVE
S&C Electric Company Palatine	Palatine	100–499	◐ LIKELY ACTIVE

Search all 349 facilities