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 Michigan19 FACILITIES

Listing 19 of 30: the facilities with a website, a size band or two sources on record. The rest are in site search.

Facility	City	Employees	Status
BIBetz Industries	Grand Rapids	100–499	● ACTIVE
Steeltech, LLC	Grand Rapids	20–99	● ACTIVE
CDCascade Die Casting / Great La Kes	Sparta	100–499	◐ LIKELY ACTIVE
MWMichigan Wheel CORP	Grand Rapids	20–99	◐ LIKELY ACTIVE
PGPsg Grand Rapids (previously Blackmer, a Dover Co)	Grand Rapids	100–499	◐ LIKELY ACTIVE
LMLight Metals Corporation	Wyoming	100–499	◐ LIKELY ACTIVE
ACAuto Cast Inc	Grandville	20–99	◐ LIKELY ACTIVE
PJPhillips & Johnston INC Dba River Rock Fabrication	Grand Rapids	—	◐ LIKELY ACTIVE
AIAutocast INC	Grandville	—	◐ LIKELY ACTIVE
CDCascade Die Casting Mid-state	Grand Rapids	—	◐ LIKELY ACTIVE
CDCascade Die Casting Group INC	Grand Rapids	100–499	◐ LIKELY ACTIVE
CECenterline Engineering	Comstock Park	20–99	◐ LIKELY ACTIVE
QNQuality Non-ferrous Foundry	Wyoming	—	◐ LIKELY ACTIVE
CGCitation Grand Rapids	Grand Rapids	—	◇ UNVERIFIED
JLJ L French	Grandville	—	◇ UNVERIFIED
SFSparta Foundry INC	Sparta	—	◇ UNVERIFIED
CDCascade Die Casting Group, Inc. Great Lakes Division Plant 2	Sparta	20–99	◐ LIKELY ACTIVE
GLGreat Lakes Division Plant 1	Sparta	100–499	◐ LIKELY ACTIVE
WWilkast	Grand Rapids	20–99	◇ UNVERIFIED

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