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Primary Metal Manufacturing in Wisconsin

NAICS 331 · WI

The Primary Metal Manufacturing industry in Wisconsin had 13,434 employees in 2024, according to the Bureau of Labor Statistics. This register lists 286 facilities in Wisconsin. WAUPACA FOUNDRY INC - PLANT 2 & 3 in Waupaca employed 864 people in 2025.

SUMMARIZED FROM THE FEDERAL FIGURES ON THIS PAGE

Map, cities and product lines

Biggest counties

Milwaukee49Waukesha21Sheboygan15Racine13Dane11Manitowoc11Ozaukee11Washington11

Biggest cities

Plants in Wisconsin286 FACILITIES

FacilityCityEmployeesStatus
American Structural Metals INCSomerset20–99 ACTIVE
Berntsen Brass & Aluminum Foundry INCMadison100–499 ACTIVE
C a Lawton CODe Pere100–499 ACTIVE
Charter AarrowcastShawano100–499 ACTIVE
Charter Steel - SaukvilleSaukville500+ ACTIVE
Eck Industries, INC.Manitowoc100–499 ACTIVE
Matalco INCWisconsin Rapids20–99 ACTIVE
Maynard Steel Casting COMilwaukee100–499 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
Washburn Iron Works INCWashburn20–99 ACTIVE
Waupaca Foundry INC - Plant 2 & 3Waupaca500+ ACTIVE
Willman Industries INCCedar Grove100–499 ACTIVE
Wisconsin Aluminum Foundry Company, INC.Manitowoc— ACTIVE
Arntzen CorporationSharon— ACTIVE
Crucible Metal Solutions INCMenasha— ACTIVE
Johnson Brass & Machine Foundry INCSaukville— ACTIVE
Lucas-milhaupt, INC.Cudahy100–499 ACTIVE
Luvata Appleton LLCKimberly— ACTIVE
Milwaukee Precision Casting INCMilwaukee— ACTIVE
Northern Stainless CORPPewaukee— ACTIVE
Spuncast INCWatertown— ACTIVE
Stainless Foundry & Engineering INCMilwaukee— ACTIVE
Unlimited Services of Wisconsin, LLCOconto100–499 ACTIVE
Voeller MixersPort Washington20–99 ACTIVE
Winsert, LLCMarinette— ACTIVE
Ampco Metal INCSturtevant— ACTIVE
Carpenter Brothers, INC.Mequon— ACTIVE
Dairyland Fence Co., INC.Iron River— ACTIVE
J.d. Miller & Sons, LLCElk Mound— ACTIVE
Metaltek International, INC.Waukesha— ACTIVE
Steele Solutions INCSouth Milwaukee— ACTIVE
Wickcraft Company, INC.Madison— ACTIVE
Woodland Aluminum LLCRacine— ACTIVE
Accurate Specialties INCWaukesha20–99 LIKELY ACTIVE
Badger AlloysMilwaukee100–499 LIKELY ACTIVE
Baker ManufacturingEvansville100–499 LIKELY ACTIVE
Blast Cleaning TechnologiesWest Allis100–499 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
Manitowoc Grey Iron Foundry INCManitowoc1–19 LIKELY ACTIVE
Metaltek Intl - Wisconsin InvestcastWatertown100–499 LIKELY ACTIVE
Premier Aluminum INCRacine20–99 LIKELY ACTIVE
Rexnord Industries LLC Gear GroupMilwaukee— LIKELY ACTIVE
Signicast LLC - Brown DeerMilwaukee100–499 LIKELY ACTIVE
Skana Aluminum CompanyManitowoc100–499 LIKELY ACTIVE

Search all 286 facilities

All primary metal manufacturing nationwide · All manufacturing in Wisconsin