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

Plants in Illinois384 FACILITIES

Listing 384 of 550: the facilities with a website, a size band or two sources on record. The rest are in site search.

Facility	City	Employees	Status
Acme Alliance LLC	Northbrook	100–499	● ACTIVE
A. Finkl & Sons CO.	Chicago	100–499	● ACTIVE
Allied Locke Industries INC	Dixon	100–499	● ACTIVE
ATAllied Tube & Conduit Corporation	Harvey	—	● ACTIVE
ASAlton Steel INC	Alton	100–499	● ACTIVE
Alu-bra Foundry, INC.	Bensenville	20–99	● ACTIVE
Anchor-harvey Components LLC	Freeport	1–19	● ACTIVE
Ark Technologies, INC.	Saint Charles	20–99	● ACTIVE
AMAurora Metals Division LLC	Montgomery	20–99	● ACTIVE
Calumet Brass Foundry, INC	Dolton	1–19	● ACTIVE
Cast Aluminum Solutions, LLC	Batavia	100–499	● ACTIVE
Cast Technologies INC	Peoria	20–99	● ACTIVE
Central Wire, INC.	Union	20–99	● ACTIVE
CDCharter Dura-bar, INC.	Woodstock	—	● ACTIVE
CHChicago Heights Steel	Chicago Heights	100–499	● ACTIVE
Chicago Magnesium Casting CO	Blue Island	—	● ACTIVE
Coogee Magnesium LLC	Ottawa	1–19	● ACTIVE
CACustom Aluminum Products INC	South Elgin	100–499	● ACTIVE
Dynacast, LLC	Elgin	100–499	● ACTIVE
EBE.h. Baare CORP	Robinson	20–99	● ACTIVE
HSHeidtman Steel Products INC	Granite City	20–99	● ACTIVE
H. Kramer & CO	Chicago	100–499	● ACTIVE
ICId Castings of Illinois LLC	Martinsville	20–99	● ACTIVE
Indium Corporation of America, the	Elk Grove Village	—	● ACTIVE
J. H. Botts, LLC	Joliet	20–99	● ACTIVE
Kvf-quad, Corporation	East Moline	20–99	● ACTIVE
NSNucor Steel Kankakee INC	Bourbonnais	100–499	● ACTIVE
PCPrysmian Cables & Systems USA LLC	Du Quoin	100–499	● ACTIVE
Round Ground Metals, INC.	Hanover Park	100–499	● ACTIVE
SMSipi Metals CORP	Chicago	100–499	● ACTIVE
Spartan Light Metal Products, INC.	Sparta	100–499	● ACTIVE
TSTaubensee Steel and Wire CO	Wheeling	100–499	● ACTIVE
Titan Wheel Corporation of Illinois	Quincy	500+	● ACTIVE
Toyal America INC	Lockport	20–99	● ACTIVE
WFWinnebago Foundry INC	South Beloit	20–99	● ACTIVE
WIWirco INC	Champaign	20–99	● ACTIVE
BCBillco CORP.	Addison	—	● ACTIVE
CTCain Tubular Products, INC	St Charles	—	● ACTIVE
CTCain Tubular Products, INC	Saint Charles	—	● ACTIVE
CMChicago Metal Rolled Products Company	Chicago	20–99	● ACTIVE
Combined Metals Company, LLC	Elgin	20–99	● ACTIVE
CACustom Aluminum Products	Genoa	100–499	● ACTIVE
Reynolds Consumer Products LLC	Lake Forest	—	● ACTIVE
Teledyne Defense Electronics, LLC	Woodridge	—	● ACTIVE
AAAlbaksan Advanced Copper Alloys LLC	Sugar Grove	—	● ACTIVE
Associated Fastening Products, INC.	Itasca	—	● ACTIVE
Lapham Hickey Steel CORP	Bedford Park	—	● ACTIVE
MMMayco Manufacturing LLC dba Mayco Industries	Granite City	20–99	● ACTIVE
Tri Star Metals, LLC	Aurora	—	● ACTIVE
ADAble Die Casting CORP	Schiller Park	20–99	◐ LIKELY ACTIVE

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