US Factory Map

Metal foundries in Wisconsin

Wisconsin has 91 foundries in EPA records, facilities that list codes for iron, steel, aluminum and other metal castings. The most are in Milwaukee, Waukesha and Waupaca. That is 6% of the 1,563 such facilities nationwide, and Wisconsin ranks #6 of 46 states.

Product
Metal foundries
Facilities
91
State rank
#6
NAICS
331511 and 5 related codes
Revised
November 1, 2026

Facilities in Wisconsin

These are active facilities in EPA's ECHO database that list a code for iron, steel, aluminum and other metal castings. The 40 shown first are the ones with the most EPA program records, which usually means the larger sites.

FacilityCityWhat EPA lists
Eck Industries IncManitowocNonferrous Metal Die-Casting Foundries
Appleton Electric LLCSouth MilwaukeeIron Foundries
Charter AarrowcastShawanoIron Foundries
Grede LLC - Reedsburg FacilityReedsburgIron Foundries
Neenah Foundry Co - Plants 2 and 3NeenahIron Foundries
Waupaca Foundry Inc - Plant 1WaupacaIron Foundries
Waupaca Foundry Inc - Plant 2 & 3WaupacaIron Foundries
Maynard Steel Casting Co IncMilwaukeeSteel Foundries (except Investment)
Castalloy, Inc.WaukeshaIron Foundries
Metaltek Intl Wis Centrifugal DivWaukeshaSteel Foundries (except Investment)
Browntown Foundry LLCBrowntownIron Foundries
Mid City Foundry CoMilwaukeeIron Foundries
Waupaca Foundry Inc -Plant 4MarinetteIron Foundries
Waupaca Foundry LfWaupacaIron Foundries
Grede LLC - LibertyWauwatosaIron Foundries
Kolbenschmidt Pistons USA LLCMarinetteAluminum Foundries (except Die-Casting)
Willman Industries IncCedar GroveIron Foundries
A.y. Mcdonald Mfg. Co.KielerOther Nonferrous Metal Foundries (except Die-Casting)
Alliance-Industries Inc - Waupaca - Vaughn RoadWaupacaIron Foundries
Allied Machinery - Richland LLCRichland CenterIron Foundries
Baker ManufacturingEvansvilleIron Foundries
C A Lawton CoDe PereIron Foundries
Huf North AmericaMilwaukeeNonferrous Metal Die-Casting Foundries
Invest CastOsceolaSteel Investment Foundries
Kirsh Foundry IncBeaver DamIron Foundries
Madison-Kipp Corp - WaubesaMadisonNonferrous Metal Die-Casting Foundries
Matalco IncWisconsin RapidsAluminum Foundries (except Die-Casting)
Metaltek Intl - Wisconsin InvestcastWatertownIron Foundries
Neenah Foundry Company - De Pere OperationsDe PereIron Foundries
Spuncast IncWatertownSteel Foundries (except Investment)
Stainless Foundry & Engineering IncMilwaukeeSteel Investment Foundries
Valmet IncWaukeshaSteel Foundries (except Investment)
Winsert IncMarinetteSteel Foundries (except Investment)
Wisconsin Aluminum FoundryManitowocNonferrous Metal Die-Casting Foundries
A F W Foundry, Inc.LannonNonferrous Metal Die-Casting Foundries
Accurate Specialties IncWaukeshaOther Nonferrous Metal Foundries (except Die-Casting)
Advanced Centrifugals LtdCambridgeSteel Foundries (except Investment)
Aelco Foundries IncMilwaukeeSteel Investment Foundries
Afk FoundryRiponIron Foundries
Allcast IncorporatedAllentonNonferrous Metal Die-Casting Foundries

Industry codes are reported by facilities to EPA programs and are not checked here. A few listings may be repair shops, distributors or recyclers. How these records work.

Where they are

  • Milwaukee: 13
  • Waukesha: 6
  • Waupaca: 5
  • Sheboygan: 4
  • Manitowoc: 3
  • Marinette: 3

By product code

  • Iron Foundries (NAICS 331511): 21 of those shown
  • Steel Foundries (except Investment) (NAICS 331513): 6 of those shown
  • Nonferrous Metal Die-Casting Foundries (NAICS 331523): 6 of those shown
  • Steel Investment Foundries (NAICS 331512): 3 of those shown
  • Aluminum Foundries (except Die-Casting) (NAICS 331524): 2 of those shown
  • Other Nonferrous Metal Foundries (except Die-Casting) (NAICS 331529): 2 of those shown

All primary metals manufacturing in Wisconsin: 145 facilities and Census job counts.