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 Illinois38 FACILITIES

Listing 38 of 48: the facilities with a website, a size band or two sources on record. The rest are in site search.

Facility	City	Employees	Status
Amglo Kemlite Laboratories, INC.	Bensenville	100–499	● ACTIVE
C & C Power INC	Carol Stream	20–99	● ACTIVE
Control Solutions LLC	Aurora	20–99	● ACTIVE
Iconn Systems LLC	Lombard	20–99	● ACTIVE
LTLaser Technologies INC	Naperville	20–99	● ACTIVE
Olympic Controls CORP	Bartlett	—	● ACTIVE
SLSmt LLC Group	Naperville	1–19	● ACTIVE
Louvers International, INC.	Elmhurst	20–99	● ACTIVE
North Star Lighting, LLC	Elmhurst	1–19	● ACTIVE
Teledyne Defense Electronics, LLC	Woodridge	—	● ACTIVE
BSBattery Service Corporation	Bensenville	—	● ACTIVE
Grid Connect INC	Naperville	—	● ACTIVE
IFIDI Fabrication, Inc. d.b.a. The Gund Company Inc.	Lemont	1–19	● ACTIVE
Inventus Power (illinois) LLC	Woodridge	—	● ACTIVE
Tactical Lighting Systems INC	Addison	—	● ACTIVE
ECElectri-flex CO	Roselle	100–499	◐ LIKELY ACTIVE
SLSternberg Lighting	Roselle	100–499	◐ LIKELY ACTIVE
MCMachinery Components INC	West Chicago	20–99	◐ LIKELY ACTIVE
IPInventus Power	Woodridge	100–499	◐ LIKELY ACTIVE
ECElectri-flex CO	Roselle	—	◐ LIKELY ACTIVE
CUCegasa USA INC	Addison	1–19	◐ LIKELY ACTIVE
Uusco of Illinois INC	West Chicago	—	◐ LIKELY ACTIVE
SISiemens Industry INC	West Chicago	—	◇ UNVERIFIED
KEKsm Electronics, INC.	Warrenville	—	◐ LIKELY ACTIVE
LMLeviton Manufacturing Co., INC.	Bloomingdale	20–99	◐ LIKELY ACTIVE
FEFastheat Element Mfg	Elmhurst	—	◇ UNVERIFIED
GEGoding Electric CO	Glendale Heights	—	◇ UNVERIFIED
MIMatsushita Industrial Equipment CO (miec	Elmhurst	—	◇ UNVERIFIED
PCPanduit CORP	Burr Ridge	—	◇ UNVERIFIED
SLShape LLC	Addison	—	◇ UNVERIFIED
ECEaton Corporation	Glendale Heights	—	◐ LIKELY ACTIVE
GHGlendale Heights Satellite Assembly	Glendale Heights	20–99	◐ LIKELY ACTIVE
MPMacLean Power Systems - Wooddale	Wood Dale	20–99	◐ LIKELY ACTIVE
MPMechanical Products LLC	Lombard	20–99	◐ LIKELY ACTIVE
NLNaperville Location	Naperville	100–499	◐ LIKELY ACTIVE
RCRps Carol Stream	Carol Stream	100–499	◐ LIKELY ACTIVE
SEStryten Energy, LLC - Carol Stream	Carol Stream	1–19	◐ LIKELY ACTIVE
SASwitchboard Apparatus Inc. 3	Carol Stream	20–99	◐ LIKELY ACTIVE

Search all 349 facilities