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Public record · Illinois

McHenry County: 308 companies on record.

The companies the public registers place in McHenry 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
Manufacturing109
Auto services — repair, collision, tire79
Defense and federal contracting46
Healthcare — medical, dental & home health16
Funeral homes10
Trades — HVAC, plumbing, electrical, mechanical9
Distribution & wholesale8
Commercial & specialty contracting6
Home construction & remodeling5
Retail — specialty, convenience & liquor5
Professional services — accounting, engineering, insurance4
Sand and gravel4
Crushed stone2
Trucking2
Waste hauling, roll-off & recycling2
Staffing1
The companies — the first 50 of 308, as the map lists them
CompanySectorCity
Mastercoil SpringManufacturingMc Henry
Miceli Drapery CompanyManufacturingUnion
CHICAGO TESTING LABORATORY INCProfessional services — accounting, engineering, insuranceNORTHBROOK
CRV Electronics CorporationManufacturingSpring Grove
Matrix4ManufacturingWoodsotck
TV Paints LLCManufacturingCary
Kelco IndustriesManufacturingWoodstock
Regal RexnordManufacturingMarengo
True Line Mold and EngineeringManufacturingHebron
Advantech Plastics, LLCManufacturingWoodstock
Fox Tool & Manufacturing Inc.ManufacturingWoodstock
Alumitank, Inc.ManufacturingHarvard
Wauconda Tool & Engineering Inc dba NN Power Solutions Algonquin PlantManufacturingAlgonquin
Panacea Products CorporationManufacturingAntioch
473 Dartmoor LLCManufacturingCrystal Lake
Adhesive Solutions - Industrial Assembly : RingwoodManufacturingRingwood
Good Natured Products (IL) LLCManufacturingRichmond
Henderson ProductsManufacturingHuntley
HuntsmanManufacturingRingwood
Induction Heat Treating CorporationManufacturingCrystal Lake
Knapheide Equipment Co - ChicagoManufacturingMchenry
Mathews CompanyManufacturingCrystal Lake
Molding Automation Concepts, Inc.ManufacturingWoodstock
NiMCO CorporationManufacturingCrystal Lake
Olsun Electric CorpManufacturingRichmond
ProAmpacManufacturingCary
RITA CorporationManufacturingCrystal Lake
Serv-AllManufacturingCrystal Lake
SocomecManufacturingCrystal Lake
Werner, COManufacturingAlgonquin
Woodstock PlasticsManufacturingMarengo
Dordan Manufacturing Co., Inc.ManufacturingWoodstock
Erect-A-Tube, Inc.ManufacturingHarvard
General Assembly & Manufacturing CorpManufacturingCary
Jan-Air INCManufacturingRichmond
M-1 Tool WorksManufacturingMcHenry
Papy's Foods, Inc.ManufacturingMcHenry
Perfect Shutters, Inc.ManufacturingHebron
Union Special LLCManufacturingHuntley
Advanced Flexible CompositesManufacturingLake in the Hills
Brake Parts Inc.ManufacturingMcHenry
Dorina/So-Good, Inc.ManufacturingUnion
Fathom / McHenryManufacturingMcHenry
New Dimensions Precision Machining, LLCManufacturingUnion
Plaspros, inc.ManufacturingMcHenry
Prem Magnetics, Inc.ManufacturingJohnsburg
CM Coffee Products dba Coffee MastersManufacturingSpring Grove
Kenmode Tool and Engineering, Inc.ManufacturingAlgonquin
Leica BiosystemsManufacturingRichmond
Leica Biosystems RichmondManufacturingRichmond

Every company in the county, with its filings and the people behind it, is read inside DealSTE. Request access.

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