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

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.

Facility	City	Employees	Status
MFMilwaukee Forgetech INC.	Milwaukee	100–499	◐ LIKELY ACTIVE
PAPremier Aluminum INC	Racine	20–99	◐ LIKELY ACTIVE
RIRexnord Industries LLC Gear Group	Milwaukee	—	◐ LIKELY ACTIVE
SLSignicast LLC - Brown Deer	Milwaukee	100–499	◐ LIKELY ACTIVE
SASkana Aluminum Company	Manitowoc	100–499	◐ LIKELY ACTIVE
SCSt. Croix Castings, INC.	Woodville	20–99	◐ LIKELY ACTIVE
TCTorrance Casting INC	La Crosse	20–99	◐ LIKELY ACTIVE
Waupaca Foundry INC - Plant 1	Waupaca	500+	◐ LIKELY ACTIVE
Waupaca Foundry INC -plant 4	Marinette	500+	◐ LIKELY ACTIVE
WEWenthe-davidson Engineering CO	New Berlin	100–499	◐ LIKELY ACTIVE
WIWillman Industries INC	Cedar Grove	100–499	◐ LIKELY ACTIVE
AIAllcast Incorporated	Allenton	—	◐ LIKELY ACTIVE
AMAllied Machinery - Richland LLC	Richland Center	20–99	◐ LIKELY ACTIVE
BMBremer Manufacturing	Elkhart Lake	20–99	◐ LIKELY ACTIVE
CBChippewa Brass & Aluminum Foundry LTD	Chippewa Falls	1–19	◐ LIKELY ACTIVE
KSKenosha Steel Castings	Kenosha	20–99	◐ LIKELY ACTIVE
KPKolbenschmidt Pistons USA LLC	Marinette	100–499	◐ LIKELY ACTIVE
NANorstar Aluminum Mold INC	Cedarburg	20–99	◐ LIKELY ACTIVE
PCPortage Casting & Mold INC	Portage	20–99	◐ LIKELY ACTIVE
SSStrattec Security CORP	Glendale	100–499	◐ LIKELY ACTIVE
USUnited Stars INC	Beloit	500+	◐ LIKELY ACTIVE
AFAluminum Foundry of Wisconsin, INC.	Lannon	20–99	◐ LIKELY ACTIVE
AEAppleton Electric LLC	South Milwaukee	—	◐ LIKELY ACTIVE
CICastalloy, INC.	Waukesha	—	◐ LIKELY ACTIVE
CWCharter Wire, LLC	Milwaukee	100–499	◐ LIKELY ACTIVE
FRFall River Die Cast	Germantown	20–99	◐ LIKELY ACTIVE
FBFelker Brothers Corporation	Marshfield	100–499	◐ LIKELY ACTIVE
GLGrede LLC - Liberty	Wauwatosa	—	◐ LIKELY ACTIVE
MCMadison-kipp Corporation - Sun Prairie	Sun Prairie	100–499	◐ LIKELY ACTIVE
MCMesser Cutting Systems INC	Menomonee Falls	100–499	◐ LIKELY ACTIVE
MFMid-city Foundry CORP - United Div	Grafton	20–99	◐ LIKELY ACTIVE
PIPRE-heat, Inc.	Oostburg	20–99	◐ LIKELY ACTIVE
VPVoestalpine Precision Strip LLC	Pleasant Prairie	20–99	◐ LIKELY ACTIVE
WIWatry Industries	Sheboygan	100–499	◐ LIKELY ACTIVE
WFWaukesha Foundry INC	Waukesha	—	◐ LIKELY ACTIVE
AIAzco INC	Neenah	—	◐ LIKELY ACTIVE
CFChicago Faucets-milwaukee Plant	Milwaukee	—	◐ LIKELY ACTIVE
GDGardner Denver Thomas Products	Sheboygan	—	◐ LIKELY ACTIVE
GCGrede Castings - Browntown Division	Browntown	—	◐ LIKELY ACTIVE
GLGrede LLC - Reedsburg Facility	Reedsburg	—	◐ LIKELY ACTIVE
JLJ L French CORP - Taylor Dr Facility	Sheboygan	—	◐ LIKELY ACTIVE
LJLock Joint Tube Wisconsin	De Pere	—	◐ LIKELY ACTIVE
Luvata Appleton LLC	Appleton	—	◐ LIKELY ACTIVE
MCMadison-kipp CORP - Waubesa	Madison	—	◐ LIKELY ACTIVE
MCMelron CORP	Weston	—	◐ LIKELY ACTIVE
NGNemak Gateway Plant	Sheboygan	—	◐ LIKELY ACTIVE
NPNorthern Precision Casting CO	Lake Geneva	—	◐ LIKELY ACTIVE
PMPrecision Metalsmiths INC.	Markesan	—	◐ LIKELY ACTIVE
QCQuality Castings CO	Waukesha	—	◐ LIKELY ACTIVE
RJRathgibson Janesville LLC	Janesville	—	◐ LIKELY ACTIVE

Search all 293 facilities