Public record · Illinois

Cook County: 4,088 companies on record.

The companies the public registers place in Cook County, Illinois, by sector, as DealSTE read them — read 8 Nov 2026. Each opens on its own record page: registration, sites, permits, liens and compliance, each with its register.

By sector
SectorCompanies
Defense and federal contracting1,174
Manufacturing1,066
Auto services — repair, collision, tire849
Professional services — accounting, engineering, insurance202
Distribution & wholesale162
Healthcare — medical, dental & home health145
Trades — HVAC, plumbing, electrical, mechanical88
Retail — specialty, convenience & liquor73
Home construction & remodeling59
Trucking56
Funeral homes46
IT & managed services39
Staffing28
Waste hauling, roll-off & recycling23
Restaurants21
Commercial & specialty contracting20
Equipment rental16
Commercial cleaning & facilities services5
Car washes & quick lube4
Landscaping, lawn care & grounds3
Veterinary practices3
Crushed stone2
Pest control2
Sand and gravel1
Self-storage & small commercial property1
The companies — the first 50 of 4,088, as the map lists them
CompanySectorCity
MillerKnollManufacturingChicago
Anheuser-BuschManufacturingChicago
Intertape Polymer GroupManufacturingChicago
Target Metal BlankingManufacturingSauk Village
GF Foods LLCManufacturingChicago
Manor Tool & Mfg CompanyManufacturingSchiller Park
MJ Celco, Inc.ManufacturingSchiller Park
PVS Chemicals, Inc.ManufacturingBuffalo
Metco Treating Development CoManufacturingChicago
Nobert Plating Co.ManufacturingChicago
2000 Plus Groups Dba Crescent FoodsManufacturingChicago
Aargus Plastics, Inc.ManufacturingChicago
AmftManufacturingMorton Grove
Arlington Plating Acquisition CompanyManufacturingPalatine
Arrow Home Products Co LLCManufacturingElk Grove Village
Century Plating CompanyManufacturingChicago
Concise IndustriesManufacturingElk Grove Vilage
Electronic Interconnect CorpManufacturingElk Grove Village
Elgin Sweeping Services, Inc.ManufacturingChicago
GAM EnterprisesManufacturingMt. Prospect
INSULATED PANEL COMPANYHome construction & remodelingSCHILLER PARK
Mech-TronicsManufacturingMelrose Park
OKAYA (U.S.A.), INC.Distribution & wholesaleARLINGTON HTS
Permatron CorpManufacturingElk Grove Village
Potomac CorpManufacturingBridgeview
Pursuit Aerospace - Larson ForgeManufacturingChicago
Regis Technologies, Inc.ManufacturingMorton Grove
RF Mau CoManufacturingLincolnwood
Select or enterManufacturingBlue Island
Sievert Electric Service and Sales Co IncManufacturingForest Park
TH Lemont IncManufacturingCountryside
Topy Precision Mfg. Inc.ManufacturingElk Grove Village
Tri-FinManufacturingElk Grove Village
Unity Manufacturing CompanyManufacturingChicago
Wieland Metals WMCManufacturingWheeling
Ace MidwestManufacturingChicago
Aluminum Coil Anodizing CorporationManufacturingStreamwood
CHICAGO TESTING LABORATORY INCProfessional services — accounting, engineering, insuranceNORTHBROOK
Converting Technology INCManufacturingElk Grove
Creation TechnologiesManufacturingWheeling
Elegant PackagingManufacturingCicero
ERA Industries, Inc. - WheelingManufacturingWheeling
FULLERTON ENGINEERING CONSULTANTS, LLCProfessional services — accounting, engineering, insuranceSCHAUMBURG
General Packaging ProductsManufacturingChicago
Imageworks Manufacturing, Inc.ManufacturingPark Forest
Lyon & Healy CorporationManufacturingChicago
National Power CorporationManufacturingChicago
Ozinga Chicago RMC, Inc.ManufacturingChicago
REFLECTION WINDOW COMPANY, LLCTrades — HVAC, plumbing, electrical, mechanicalCHICAGO
Silbrico CorporationManufacturingHodgkins

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