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Manufacturing facilities in Illinois

The register lists 17,137 facilities in Illinois. The Bureau of Labor Statistics counted 19,263 establishments in Illinois in 2025. Food Manufacturing accounts for 1,545 facilities in Illinois.

SUMMARIZED FROM THE FEDERAL FIGURES ON THIS PAGE

Map, counties and cities
Map of United States manufacturing facilities

Biggest counties

Cook5,216DuPage1,607Kane947Lake881Will826Winnebago575McHenry471Madison340
All 102 counties
Cook 5,216DuPage 1,607Kane 947Lake 881Will 826Winnebago 575McHenry 471Madison 340St. Clair 313Champaign 287Peoria 229LaSalle 216Rock Island 211McLean 167DeKalb 167Tazewell 163Sangamon 162Kankakee 149Vermilion 147Macon 145Adams 125Whiteside 118Marion 108Effingham 104Kendall 102Boone 100Ogle 97Clinton 90Henry 81Williamson 79Grundy 79Coles 79Livingston 77Stephenson 68Jefferson 64Lee 63Iroquois 62Morgan 61Macoupin 57Bureau 56Woodford 55Douglas 53Montgomery 53Franklin 53McDonough 51Knox 51Edgar 51Fayette 50Jo Daviess 47Jackson 46Carroll 45Randolph 44Christian 43Ford 40Fulton 39Saline 35Hancock 35Marshall 35De Witt 34Washington 33Richland 32Logan 31Crawford 31Clay 30Moultrie 29Bond 29Clark 28Monroe 28Pike 28Shelby 28Perry 24Cass 24Mason 23Jasper 23Piatt 23Wayne 22White 21Johnson 20Massac 19Warren 19Lawrence 19Union 18Mercer 16Greene 15Putnam 15Cumberland 15Wabash 15Hamilton 15Stark 13Henderson 13Jersey 12Alexander 12Menard 11Schuyler 11Edwards 11Gallatin 8Pulaski 7Hardin 7Scott 7Brown 6Calhoun 3Pope 1

Biggest cities

Federal labor statistics counted at least 19,263 manufacturing establishments in Illinois in 2025, employing about 569,734 people, counting only the industry subsectors the Bureau of Labor Statistics discloses at this level. This registry lists 17,137, about 89% of that figure.

Facilities in Illinois9,495 FACILITIES

Listing 9,495 of 17,137: the facilities with a website, a size band or two sources on record. The rest are in site search.

FacilityCityIndustryNAICSEmployeesStatus
Oakland Industries LTDMount ProspectElectrical Equipment, Appliance & Component Manufacturing335313100–499 ACTIVE
Oak Ridge Products, LLCMchenryPlastics and Rubber Products Manufacturing3261991–19 ACTIVE
Obiter Research LLCChampaignChemical Manufacturing3251991–19 ACTIVE
O. C. Keckley CompanySkokieFabricated Metal Product Manufacturing33291120–99 ACTIVE
Odin Fabrication, INC.ElburnFabricated Metal Product Manufacturing3323221–19 ACTIVE
Olsun Electrics CORPRichmondComputer and Electronic Product Manufacturing33441620–99 ACTIVE
Olympic Controls CORPBartlettMachinery Manufacturing333914— ACTIVE
Onsite Woodwork CORPLoves ParkFurniture and Related Product Manufacturing337212— ACTIVE
Orthopedic Generations LLCMokenaMiscellaneous Manufacturing3391121–19 ACTIVE
Osi GroupGenevaFood Manufacturing311412100–499 ACTIVE
Osi Industries LLCChicagoFood Manufacturing311412500+ ACTIVE
Otto Engineering INCCarpentersvilleElectrical Equipment, Appliance & Component Manufacturing335314500+ ACTIVE
Ozinga On-site INCMokenaNonmetallic Mineral Product Manufacturing327320100–499 ACTIVE
Pacific Bearing CompanyRoscoeFabricated Metal Product Manufacturing332999100–499 ACTIVE
Pacific Press Holdings LLCMount CarmelMachinery Manufacturing33351720–99 ACTIVE
Panek Precision Products LLCNorthbrookFabricated Metal Product Manufacturing332710100–499 ACTIVE
Paratech INCFrankfortPlastics and Rubber Products Manufacturing326220100–499 ACTIVE
Parr Instrument CompanyMolineComputer and Electronic Product Manufacturing33451320–99 ACTIVE
Paxxus INCAddisonPaper Manufacturing322220100–499 ACTIVE
Payson Casters, INCGurneeFabricated Metal Product Manufacturing33251020–99 ACTIVE
Peerless Industries, INC.AuroraFabricated Metal Product Manufacturing332999100–499 ACTIVE
Peerless-premier Appliance CO.BellevilleElectrical Equipment, Appliance & Component Manufacturing33522020–99 ACTIVE
Pegasus Mfg INCGalesburgFabricated Metal Product Manufacturing33271020–99 ACTIVE
Performance Health Systems LLCNorthbrookMiscellaneous Manufacturing339920— ACTIVE
Perry Dynamics INCDecaturMiscellaneous Manufacturing3391121–19 ACTIVE
Pewag INCBolingbrookFabricated Metal Product Manufacturing332618100–499 ACTIVE
Pickard INCAntiochNonmetallic Mineral Product Manufacturing3271101–19 ACTIVE
Plastic Parts International, INCLoves ParkPlastics and Rubber Products Manufacturing32619920–99 ACTIVE
Plz CORPDowners GroveFood Manufacturing311225500+ ACTIVE
Pmp Fermentation Products INCPeoriaChemical Manufacturing32519920–99 ACTIVE
Polaris Laser Laminations, LLCWest ChicagoFabricated Metal Product Manufacturing33299920–99 ACTIVE
Polar Tech Industries INCGenoaPlastics and Rubber Products Manufacturing326140— ACTIVE
PolyconversionsChampaignChemical Manufacturing325211100–499 ACTIVE
Pork King Packing, Inc.MarengoFood Manufacturing311611100–499 ACTIVE
Prairie Farms Dairy, INC.RockfordFood Manufacturing311511— ACTIVE
Precision Dose INCSouth BeloitChemical Manufacturing325412100–499 ACTIVE
Precision Vision, INC.WoodstockMiscellaneous Manufacturing3391121–19 ACTIVE
Premier Print & Services Group, INCChicagoPrinting and Related Support Activities32311120–99 ACTIVE
Premier Woodwork INCRockfordFurniture and Related Product Manufacturing3372121–19 ACTIVE
Press America INCElk Grove VillagePrinting and Related Support Activities32311020–99 ACTIVE
Preston Industries INCNilesComputer and Electronic Product Manufacturing334513100–499 ACTIVE
Prochem Incorporated InternationalRockfordChemical Manufacturing3251301–19 ACTIVE
Progressive Recovery INCDupoFabricated Metal Product Manufacturing332420— ACTIVE
Prooptics LLCPalatineMiscellaneous Manufacturing3391121–19 ACTIVE
Proteintech Group, INC.RosemontChemical Manufacturing32541420–99 ACTIVE
Prysmian Cables & Systems USA LLCDu QuoinPrimary Metal Manufacturing331420100–499 ACTIVE
Pureaire Monitoring Systems INCLake ZurichComputer and Electronic Product Manufacturing33451320–99 ACTIVE
Quality Metal Products INCPeoriaFabricated Metal Product Manufacturing332710100–499 ACTIVE
Quality Snack Foods INCAlsipFood Manufacturing311612100–499 ACTIVE
Radiac Abrasives - OswegoOswegoNonmetallic Mineral Product Manufacturing32791020–99 ACTIVE

Search all 17,137 Illinois facilities