Primary Metal Manufacturing in Minnesota

NAICS 331 · MN

The register lists 158 facilities in Minnesota. According to the Bureau of Labor Statistics, there were 98 establishments in Minnesota in 2025. Hitchcock Industries in Bloomington employed 550 people in 2025.

SUMMARIZED FROM THE FEDERAL FIGURES ON THIS PAGE

Plants in Minnesota20 FACILITIES

Listing 20 of 28: the facilities with a website, a size band or two sources on record. The rest are in site search.

Facility	City	Employees	Status
Minnesota Wire & Cable CO	Saint Paul	—	● ACTIVE
St Paul Brass Foundry CO	Saint Paul	1–19	● ACTIVE
Carley Foundry, INC	Minneapolis	—	● ACTIVE
OLOtter Lake Technologies, LLC	White Bear Township	100–499	◐ LIKELY ACTIVE
PFPier Foundry & Pattern Shop, Inc.	Saint Paul	20–99	◐ LIKELY ACTIVE
Carley Foundry INC	Blaine	—	◐ LIKELY ACTIVE
NINorthern Iron LLC	Saint Paul	—	◐ LIKELY ACTIVE
WGWater Gremlin CO	White Bear Lake	—	◐ LIKELY ACTIVE
PIPace Industries - St Paul Division	Arden Hills	—	◇ UNVERIFIED
GAGerdau Ameristeel US INC	Saint Paul	—	◐ LIKELY ACTIVE
NINorthern Iron LLC	St Paul	20–99	◐ LIKELY ACTIVE
PFPier Foundry	Saint Paul	—	◐ LIKELY ACTIVE
SPSt Paul Brass and Aluminum Foundry	Saint Paul	—	◐ LIKELY ACTIVE
WGWater Gremlin South Campus	White Bear Township	—	◐ LIKELY ACTIVE
LSLapham-Hickey Steel	Little Canada	20–99	◐ LIKELY ACTIVE
NINorthern Iron LLC	Saint Paul	20–99	◐ LIKELY ACTIVE
PFPier Foundry & Pattern Shop, Inc.	St. Paul	20–99	◐ LIKELY ACTIVE
PFPier Foundry & Pattern Shop, Inc. - Shipping	St. Paul	1–19	◐ LIKELY ACTIVE
PFPier Foundry & Pattern Shop, Inc. - Shipping	Saint Paul	1–19	◐ LIKELY ACTIVE
SMSSAB Minnesota Inc.	Roseville	20–99	◐ LIKELY ACTIVE

Search all 158 facilities