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Manufacturing in Winnebago County, Illinois

The city of Winnebago, Illinois, is located in the state of Illinois. This register lists 575 facilities. The Bureau of Labor Statistics counted 527 establishments in Winnebago in 2025.

SUMMARIZED FROM THE FEDERAL FIGURES ON THIS PAGE

Map, cities and benchmark

Biggest cities

Federal labor statistics counted at least 527 manufacturing establishments in Winnebago County in 2025, employing about 22,164 people, counting only the industry subsectors the Bureau of Labor Statistics discloses at this level. This registry lists 575.

Facilities342 FACILITIES

Listing 342 of 575: the facilities with a website, a size band or two sources on record. The rest are in site search.

FacilityCityIndustryNAICSEmployeesStatus
Lamson Oil CORockfordPetroleum and Coal Products Manufacturing324191— LIKELY ACTIVE
Lubricants RockfordRockfordPetroleum and Coal Products Manufacturing3241911–19 LIKELY ACTIVE
Mid-States Concrete IndustriesSouth BeloitNonmetallic Mineral Product Manufacturing327390100–499 LIKELY ACTIVE
Mikron MidwestWinnebagoPlastics and Rubber Products Manufacturing326199— LIKELY ACTIVE
Phelps Industries, LLCRockfordFood Manufacturing31111120–99 LIKELY ACTIVE
Precision Dynamics LCCMachesney ParkTransportation Equipment Manufacturing33639020–99 LIKELY ACTIVE
Quest7 Manufacturing LLCMachesney Park, IllinoisFabricated Metal Product Manufacturing33271020–99 LIKELY ACTIVE
Rockford Acquisition CO LLC Dba Rockford SpecialtiesLoves ParkFabricated Metal Product Manufacturing332618— LIKELY ACTIVE
Rockford Fastener, INC.RockfordFabricated Metal Product Manufacturing33272220–99 LIKELY ACTIVE
Rockford Heat Treaters INCRockfordFabricated Metal Product Manufacturing33281120–99 LIKELY ACTIVE
Rockford Silk ScreenRockfordPrinting and Related Support Activities323113— LIKELY ACTIVE
Rockford Spring CO.RockfordFabricated Metal Product Manufacturing33261320–99 LIKELY ACTIVE
Safeway ServicesRockfordFabricated Metal Product Manufacturing332812— LIKELY ACTIVE
Slidematic Precision ComponentsRockfordFabricated Metal Product Manufacturing332722100–499 LIKELY ACTIVE
Stateline Foundries IncRoscoePrimary Metal Manufacturing33151120–99 LIKELY ACTIVE
Woodward INCRockfordFabricated Metal Product Manufacturing332912— LIKELY ACTIVE
Air Liquide Advanced Technologies US LLCRockfordChemical Manufacturing325120— LIKELY ACTIVE
Cq+ Mfg GroupMachesney ParkFabricated Metal Product Manufacturing332721— LIKELY ACTIVE
Crown Machine, INC.RockfordFabricated Metal Product Manufacturing33271020–99 LIKELY ACTIVE
Crystal Precision Drilling, Inc.Loves ParkFabricated Metal Product Manufacturing3329991–19 LIKELY ACTIVE
Forge Group Rockford LLCRockfordFabricated Metal Product Manufacturing332111— LIKELY ACTIVE
Nd Industries INCRockfordFabricated Metal Product Manufacturing332812— LIKELY ACTIVE
Ozinga Ready MixRoscoeNonmetallic Mineral Product Manufacturing327320— LIKELY ACTIVE
Pci Pharmaceutical ServicesRockfordChemical Manufacturing325412— LIKELY ACTIVE
Pierce Biotechnology INCRockfordChemical Manufacturing325199— LIKELY ACTIVE
Quiktrip Store No. 7313RockfordMiscellaneous Manufacturing339999— LIKELY ACTIVE
Rockford ProductsLoves ParkFabricated Metal Product Manufacturing332722— LIKELY ACTIVE
Sams Club 8297RockfordMiscellaneous Manufacturing339999— LIKELY ACTIVE
Standox North AmericaRockfordChemical Manufacturing325520— LIKELY ACTIVE
Starterpanel INC.Machesney ParkElectrical Equipment, Appliance & Component Manufacturing3353131–19 LIKELY ACTIVE
Tan Books and Publishers INC.RockfordMiscellaneous Manufacturing339999— LIKELY ACTIVE
Trd Manufacturing INCMachesney ParkMachinery Manufacturing333995— LIKELY ACTIVE
Weldments INCRockfordMachinery Manufacturing333992— LIKELY ACTIVE
William Charles ConstructionLoves ParkPetroleum and Coal Products Manufacturing324121— LIKELY ACTIVE
A-1 Lapping & MachineRockfordMiscellaneous Manufacturing339999— UNVERIFIED
A-1 Wire Tech INC.RockfordPrimary Metal Manufacturing331491— UNVERIFIED
Aai Heavy RebuildersRockfordMiscellaneous Manufacturing339999— UNVERIFIED
Accra Industries INCSouth BeloitPlastics and Rubber Products Manufacturing326199— UNVERIFIED
Always AluminumRockfordPrimary Metal Manufacturing331524— UNVERIFIED
Amerock CORPRockfordFabricated Metal Product Manufacturing332510— UNVERIFIED
AndersonbreconRockfordChemical Manufacturing325412— UNVERIFIED
Anderson Heat Treating INCRockfordMiscellaneous Manufacturing339999— UNVERIFIED
Anpec IndPecatonicaFabricated Metal Product Manufacturing33271020–99 UNVERIFIED
Arch Chemicals Specialty Products, INC.SewardChemical Manufacturing325131— UNVERIFIED
Atwood Mobile ProductsRockfordFabricated Metal Product Manufacturing332510— UNVERIFIED
Barron IndustriesRockfordFabricated Metal Product Manufacturing332813— UNVERIFIED
Besly Products CORPSouth BeloitMachinery Manufacturing333515— UNVERIFIED
Caddell ConstructionRockfordMiscellaneous Manufacturing339999— UNVERIFIED
Chem ProcessingRockfordFabricated Metal Product Manufacturing332813— UNVERIFIED
Clinton Electronics CORPLoves ParkComputer and Electronic Product Manufacturing334411— UNVERIFIED

Search all 17,137 Illinois facilities