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Primary Metal Manufacturing in Wisconsin

NAICS 331 · WI

The register lists 293 facilities in Wisconsin. The Bureau of Labor Statistics counted 144 establishments in Wisconsin. WAUPACA FOUNDRY INC - PLANT 2 & 3, located in Waupaca, employed 864 people in 2025.

SUMMARIZED FROM THE FEDERAL FIGURES ON THIS PAGE

Map, cities and product lines

Biggest counties

Milwaukee50Waukesha21Sheboygan15Racine13Manitowoc12Ozaukee12Dane11Washington11

Biggest cities

Plants in Wisconsin212 FACILITIES

Listing 212 of 293: the facilities with a website, a size band or two sources on record. The rest are in site search.

FacilityCityEmployeesStatus
American Structural Metals INCSomerset20–99 ACTIVE
Ampco Metal INCSturtevant1–19 ACTIVE
Arntzen CorporationSharon20–99 ACTIVE
Berntsen Brass & Aluminum Foundry INCMadison100–499 ACTIVE
Charter AarrowcastShawano100–499 ACTIVE
Charter Steel - SaukvilleSaukville500+ ACTIVE
Crucible Metal Solutions INCMenasha1–19 ACTIVE
Eck Industries, INC.Manitowoc100–499 ACTIVE
Johnson Brass & Machine Foundry INCSaukville20–99 ACTIVE
Luvata Appleton LLCKimberly— ACTIVE
Matalco INCWisconsin Rapids20–99 ACTIVE
Maynard Steel Casting COMilwaukee100–499 ACTIVE
Metaltek International, INC.Waukesha500+ ACTIVE
Milwaukee Precision Casting INCMilwaukee— ACTIVE
Northern Stainless CORPPewaukee— ACTIVE
Plymouth Tube CompanyEast Troy20–99 ACTIVE
Regent Die & Tool Co, INCMilwaukee20–99 ACTIVE
Shelmet Precision Casting CO. INC.Wild Rose20–99 ACTIVE
Signicast LLCHartford500+ ACTIVE
Spuncast INCWatertown100–499 ACTIVE
Stainless Foundry & Engineering INCMilwaukee100–499 ACTIVE
Unlimited Services of Wisconsin, LLCOconto100–499 ACTIVE
Voeller MixersPort Washington20–99 ACTIVE
Washburn Iron Works INCWashburn20–99 ACTIVE
Waupaca Foundry INC - Plant 2 & 3Waupaca500+ ACTIVE
Winsert, LLCMarinette100–499 ACTIVE
Wisconsin Aluminum Foundry Company, INC.Manitowoc500+ ACTIVE
Lucas-milhaupt, INC.Cudahy100–499 ACTIVE
Wickcraft Company, INC.Madison1–19 ACTIVE
Carpenter Brothers, INC.Mequon— ACTIVE
Dairyland Fence Co., INC.Iron River— ACTIVE
J.d. Miller & Sons, LLCElk Mound— ACTIVE
Steele Solutions INCSouth Milwaukee— ACTIVE
Woodland Aluminum LLCRacine— ACTIVE
Accurate Specialties INCWaukesha20–99 LIKELY ACTIVE
Advance Die Cast LLCMilwaukee20–99 LIKELY ACTIVE
Agra Industries INCMerrill20–99 LIKELY ACTIVE
Badger AlloysMilwaukee100–499 LIKELY ACTIVE
Baker ManufacturingEvansville100–499 LIKELY ACTIVE
Blast Cleaning TechnologiesWest Allis100–499 LIKELY ACTIVE
Brickham StampingOshkosh20–99 LIKELY ACTIVE
C a Lawton CODe Pere100–499 LIKELY ACTIVE
Crystal Finishing Systems INC - MosineeMosinee100–499 LIKELY ACTIVE
De Pere Foundry INCDe Pere20–99 LIKELY ACTIVE
Fall River Foundry COFall River100–499 LIKELY ACTIVE
Gordon Aluminum IndustriesSchofield100–499 LIKELY ACTIVE
Kirsh Foundry INCBeaver Dam20–99 LIKELY ACTIVE
Manitowoc Grey Iron Foundry INCManitowoc1–19 LIKELY ACTIVE
Metaltek Intl - Wisconsin InvestcastWatertown100–499 LIKELY ACTIVE
Mid-City Foundry Co. - Milwaukee DivisionMilwaukee20–99 LIKELY ACTIVE

Search all 293 facilities

All primary metal manufacturing nationwide · All manufacturing in Wisconsin