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Manufacturing in St. Clair County, Illinois

This register lists 313 facilities in St. Clair, Illinois. The Bureau of Labor Statistics counted 156 establishments in St. Clair in 2025.

SUMMARIZED FROM THE FEDERAL FIGURES ON THIS PAGE

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Federal labor statistics counted at least 156 manufacturing establishments in St. Clair County in 2025, employing about 4,092 people, counting only the industry subsectors the Bureau of Labor Statistics discloses at this level. This registry lists 313.

Facilities16 FACILITIES

Listing 16 of 22: the facilities with a website, a size band or two sources on record. The rest are in site search.

FacilityCityIndustryNAICSEmployeesStatus
Affton Fabricating and Welding Co., INC.SaugetFabricated Metal Product Manufacturing33231220–99 ACTIVE
Afton Chemical CorporationSaugetPetroleum and Coal Products Manufacturing324191100–499 ACTIVE
Branding Iron Holdings - Holten MeatSaugetFood Manufacturing311612100–499 ACTIVE
Crysalis Biosciences, INC.SaugetChemical Manufacturing32519320–99 LIKELY ACTIVE
Stellar Manufacturing LLCSaugetChemical Manufacturing325130100–499 LIKELY ACTIVE
Midwest Nonwovens LLCSaugetTextile Mills31321020–99 LIKELY ACTIVE
Cerro Flow Products LLCSaugetPrimary Metal Manufacturing331420— LIKELY ACTIVE
Oldcastle Lawn & GardenSaugetWood Product Manufacturing321999— LIKELY ACTIVE
Jet Enterprises & Holding CO LLCSaugetPrimary Metal Manufacturing331410— LIKELY ACTIVE
Occidental Chemical CORP Sauget PlantSaugetChemical Manufacturing325199— LIKELY ACTIVE
Solutia INC Krummrich Il (part)SaugetChemical Manufacturing325180— LIKELY ACTIVE
Post Holdings INCSaugetFood Manufacturing311230— UNVERIFIED
Sauget Area 2 Sites GroupSaugetChemical Manufacturing325199— UNVERIFIED
Sterling Steel FoundrySaugetPrimary Metal Manufacturing331513— UNVERIFIED
Eagle Fabrication, LLCSaugetTransportation Equipment Manufacturing3366111–19 LIKELY ACTIVE
Sensient Colors Sauget WarehouseSaugetChemical Manufacturing32513020–99 LIKELY ACTIVE

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