FactoryRegistry
Claim a page

Primary Metal Manufacturing in Illinois

NAICS 331 · IL

This register lists 550 facilities in Illinois. The Bureau of Labor Statistics counted 336 establishments in the Primary Metal Manufacturing industry in Illinois in 2025. Mapleton Foundry in Mapleton employed 1,186 people in 2025.

SUMMARIZED FROM THE FEDERAL FIGURES ON THIS PAGE

Map, cities and product lines

Biggest counties

Cook200DuPage30Madison27Kane26Winnebago25Lake20McHenry18DeKalb15

Biggest cities

Plants in Illinois44 FACILITIES

Listing 44 of 63: the facilities with a website, a size band or two sources on record. The rest are in site search.

FacilityCityEmployeesStatus
A. Finkl & Sons CO.Chicago100–499 ACTIVE
H. Kramer & COChicago100–499 ACTIVE
Sipi Metals CORPChicago100–499 ACTIVE
Chicago Metal Rolled Products CompanyChicago20–99 ACTIVE
Atlas Tube INCChicago100–499 LIKELY ACTIVE
Imperial Zinc CORPChicago20–99 LIKELY ACTIVE
Meskan Brass FoundryChicago20–99 LIKELY ACTIVE
Naylor Pipe COChicago20–99 LIKELY ACTIVE
Soudan Metals Company INC.Chicago20–99 LIKELY ACTIVE
Wheatland Tube CO - Chicago DivChicago100–499 LIKELY ACTIVE
Midland Industries INCChicago20–99 LIKELY ACTIVE
O & K American CORP.Chicago100–499 LIKELY ACTIVE
Maruichi Leavitt Pipe & TubeChicago100–499 LIKELY ACTIVE
Universal Electric Foundry INCChicago— LIKELY ACTIVE
Allied Metal COChicago— UNVERIFIED
Century Aluminum COChicago— LIKELY ACTIVE
Leitelt Brothers Foundry, INCChicago1–19 LIKELY ACTIVE
Andy's Deli & MikolajczkChicago— LIKELY ACTIVE
Sipi Metals CORPChicago100–499 LIKELY ACTIVE
Allied Metal COChicago20–99 LIKELY ACTIVE
A Finkl & Sons COChicago— UNVERIFIED
Altman & Koehler Foundry CO INCChicago— UNVERIFIED
Altman RonChicago— UNVERIFIED
AlumetcoChicago— UNVERIFIED
American Precision Castings INCChicago— UNVERIFIED
Ames Metal Products COChicago— UNVERIFIED
Central Die CastingChicago— UNVERIFIED
Central Steel & Wire COChicago— UNVERIFIED
Chicago Aluminum Castings CO INCChicago— UNVERIFIED
Federal Chicago CORPChicago— UNVERIFIED
Freeport Mcmoron Chicago Rod INCChicago— UNVERIFIED
Keywell LLCChicago— UNVERIFIED
Modern Die Casting CORPChicago— UNVERIFIED
Reserve Marine TerminalChicago— UNVERIFIED
Small Assemblies INCChicago— UNVERIFIED
Specialloy INCChicago— UNVERIFIED
United American MetalChicago— UNVERIFIED
US Diecasting INCChicago— UNVERIFIED
US Steel - Gary WorksChicago— UNVERIFIED
Wagner Foundry INCChicago— UNVERIFIED
FultonChicago100–499 LIKELY ACTIVE
O&k American - Chicago PlantChicago20–99 LIKELY ACTIVE
Steel Warehouse of IllinoisChicago20–99 LIKELY ACTIVE
Kazmier Tooling Inc.,Chicago1–19 UNVERIFIED

Search all 550 facilities

All primary metal manufacturing nationwide · All manufacturing in Illinois