Primary Metal Manufacturing in Indiana

NAICS 331 · IN

The register lists 449 facilities in Indiana. According to the Bureau of Labor Statistics, 247 establishments in Indiana operated in the Primary Metal Manufacturing industry in 2025. Cleveland-Cliffs Burns Harbor LLC, located in Burns Harbor, employed 4,003 people in 2025.

SUMMARIZED FROM THE FEDERAL FIGURES ON THIS PAGE

Plants in Indiana26 FACILITIES

Listing 26 of 42: the facilities with a website, a size band or two sources on record. The rest are in site search.

Facility	City	Employees	Status
JAJupiter Aluminum CORP	Hammond	100–499	● ACTIVE
GWGary Works	Gary	1–19	● ACTIVE
Midwest Aerospace Casting, LLC	Merrillville	—	● ACTIVE
1T105355 - T-b Tube Company Incorporated	Gary	20–99	◐ LIKELY ACTIVE
1N105860 - Niagara Lasalle Corporation	Hammond	1–19	◐ LIKELY ACTIVE
ATAllied Tube and Conduit	Merrillville	—	◐ LIKELY ACTIVE
ARArmsted Rail Company INC	Hammond	—	◐ LIKELY ACTIVE
ECElectric Coating Technologies, LLC	East Chicago	—	◐ LIKELY ACTIVE
HMHarsco Minerals Briquetting LLC	East Chicago	—	◐ LIKELY ACTIVE
TCTube City INC at US Steel	Gary	—	◐ LIKELY ACTIVE
MCMid-continent Coal & Coke Company Contractor of US Steel Cor	Gary	—	◐ LIKELY ACTIVE
TITms International LLC - a Contractor of Arcelormittal USA LLC	East Chicago	—	◐ LIKELY ACTIVE
AMArcelor Mittal/indiana Harbor Long Carbon	East Chicago	—	◐ LIKELY ACTIVE
BIBrandenburg Industrial Service CO	Gary	—	◐ LIKELY ACTIVE
NMNational Material Processing	East Chicago	—	◐ LIKELY ACTIVE
USUS Steel East Chicago	East Chicago	—	◐ LIKELY ACTIVE
ASAleris Specialty Products, INC.	Hammond	—	◇ UNVERIFIED
ARAmg Resources CORP	Gary	—	◇ UNVERIFIED
BIBlastech, INC.	Gary	—	◇ UNVERIFIED
FMFederated Metals CORP	Whiting	—	◇ UNVERIFIED
MIMetals Investment Trust LTD.	East Chicago	—	◇ UNVERIFIED
RERepublic Engineered Products, LLC - Gary Dunes Plant	Gary	—	◇ UNVERIFIED
RJR J R Drying, INC.	East Chicago	—	◇ UNVERIFIED
ATAllied Tube & Conduit Hobart Indiana	Merrillville	100–499	◐ LIKELY ACTIVE
PGPhoenix Global, LLC-Indiana Harbor East	East Chicago	20–99	◐ LIKELY ACTIVE
PGPhoenix Global, LLC-Indiana Harbor West	East Chicago	20–99	◐ LIKELY ACTIVE

Search all 449 facilities