Primary Metal Manufacturing in Michigan

NAICS 331 · MI

This register lists 535 facilities in Michigan. The Bureau of Labor Statistics counted 384 establishments in the Primary Metal Manufacturing industry in Michigan in 2025. Howmet Aerospace Whitehall Operations - Whitehall Castings Plant 1 and 3, located in Whitehall, employed 1,240 people in 2025.

SUMMARIZED FROM THE FEDERAL FIGURES ON THIS PAGE

Plants in Michigan372 FACILITIES

Listing 372 of 535: the facilities with a website, a size band or two sources on record. The rest are in site search.

Facility	City	Employees	Status
GLGreat Lakes Works	Ecorse	500+	◐ LIKELY ACTIVE
HSHeidtman Steel Products Inc.-Bedford Tube Mill	Erie	100–499	◐ LIKELY ACTIVE
HHH & H Tube	Vanderbilt	20–99	◐ LIKELY ACTIVE
HRHowmet Research Center	Whitehall	—	◐ LIKELY ACTIVE
HCHuron Casting, INC (blue Diamond Steel Casting) (b7013)	Pigeon	—	◐ LIKELY ACTIVE
HAHydro Aluminum Metals Usa, LLC	Cassopolis	—	◐ LIKELY ACTIVE
IEInternational Extrusions	Garden City	100–499	◐ LIKELY ACTIVE
JMJ&L Manufacturing	Marshall	20–99	◐ LIKELY ACTIVE
MIMahle Inc-muskegon Hts Complex	Muskegon	—	◐ LIKELY ACTIVE
MDMichigan Die Casting LLC.	Dowagiac	20–99	◐ LIKELY ACTIVE
MBMueller Brass CO	Belding	—	◐ LIKELY ACTIVE
PEPostle Extrusion	Cassopolis	100–499	◐ LIKELY ACTIVE
POPostle Operating LLC	Cassopolis	—	◐ LIKELY ACTIVE
TMTNR Machine, Inc.	Dowling	20–99	◐ LIKELY ACTIVE
TTTrans Tube INC	Pontiac	—	◐ LIKELY ACTIVE
UAUltra Aluminum	Howell	100–499	◐ LIKELY ACTIVE
WAWellington Alloys, LLC	Bloomfield Hills	1–19	◐ LIKELY ACTIVE
WEWkw Extrusion Erbsloeh Aluminum Solutions, INC.	Portage	—	◐ LIKELY ACTIVE
WCWolverine Carbide and Tool INC	Troy	20–99	◐ LIKELY ACTIVE
WSWorthington Steel Taylor	Taylor	20–99	◐ LIKELY ACTIVE
AEAacoa Extrusions INC.	Niles	—	◐ LIKELY ACTIVE
ALAmerican Lightweight Materials Manufacturing Innovations Institute Dba Lightweig	Detroit	20–99	◐ LIKELY ACTIVE
BCBay Cast INC	Bay City	—	◐ LIKELY ACTIVE
CFChristensen Fiberglass, LLC	Holland	—	◐ LIKELY ACTIVE
DSDelta Steel INC	Saginaw	20–99	◐ LIKELY ACTIVE
DTDetroit Tube Products LLC	Detroit	20–99	◐ LIKELY ACTIVE
EUEj USA INC	East Jordan	500+	◐ LIKELY ACTIVE
FPFederal Pipe & Supply CO	Detroit	1–19	◐ LIKELY ACTIVE
FMFranklin Metal Trading Corporation	Lake Odessa	—	◐ LIKELY ACTIVE
MIModar Inc-2200 Empire LLC	Benton Harbor	—	◐ LIKELY ACTIVE
MAMuskegon Aluminum Bronze F	Muskegon	—	◐ LIKELY ACTIVE
NSNorth Shore Manufacturing	Coloma	1–19	◐ LIKELY ACTIVE
NTNss Technologies INC	Canton	—	◐ LIKELY ACTIVE
PDPrecision Die Cast, Inc.	Kimball	1–19	◐ LIKELY ACTIVE
QNQuality Non-ferrous Foundry	Wyoming	—	◐ LIKELY ACTIVE
SSShoreline Steel-new Haven	New Haven	—	◐ LIKELY ACTIVE
TPTerex Powerscreen USA	Durand	—	◐ LIKELY ACTIVE
TITubelite INC	Reed City	—	◐ LIKELY ACTIVE
USUS Steel-gl-zug Island	River Rouge	—	◐ LIKELY ACTIVE
Waupaca Foundry, INC. - Plant 1 (ironwood)	Ironwood	—	◐ LIKELY ACTIVE
AFAdrian Fabricators INC.	Adrian	—	◇ UNVERIFIED
ABAlfredson Brothers Construction Company	Menominee	—	◇ UNVERIFIED
Allied Metals CORP	Troy	—	◇ UNVERIFIED
AMAlreco Metals	Benton Harbor	—	◇ UNVERIFIED
AIAncast INC.	Sodus	—	◇ UNVERIFIED
ACAti Casting Service	Alpena	—	◇ UNVERIFIED
BMBenton Metal Recycling	Benton Harbor	—	◇ UNVERIFIED
BFBrockie Fabricating INC	Jackson	1–19	◇ UNVERIFIED
BMBurgess-norton Mfg CO / Std Auto Parts CO Div	Muskegon	—	◇ UNVERIFIED
CGCitation Grand Rapids	Grand Rapids	—	◇ UNVERIFIED

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