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 Indiana22 FACILITIES

Listing 22 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
IPIndiana Pickling & Processing Company	Portage	20–99	● ACTIVE
MSMerit Steel Company	Kouts	20–99	● ACTIVE
Urschel Laboratories, INC.	Chesterton	500+	● ACTIVE
WSWorthington Steel	Porter	100–499	● ACTIVE
ABArcelormittal Burns Harbor	Burns Harbor	—	◐ LIKELY ACTIVE
ALArcelormittal LLC - Burns Harbor Facility	Burns Harbor	—	◐ LIKELY ACTIVE
NINlmk Indiana	Portage	—	◐ LIKELY ACTIVE
UEUnion Electric Steel Corporation	Valparaiso	20–99	◐ LIKELY ACTIVE
STSteel Technologies Portage	Portage	—	◐ LIKELY ACTIVE
KSKenwal Steel Corporation	Burns Harbor	20–99	◐ LIKELY ACTIVE
NSNational Steel CORP Transportation Prodt	Portage	—	◐ LIKELY ACTIVE
OTOil Technology INC Contractor of Cleveland-cliffs Burns Harb	Portage	—	◐ LIKELY ACTIVE
PGPhoenix Global Burns Harbor LLC Contractor of Cleveland Clif	Burns Harbor	—	◐ LIKELY ACTIVE
SMSms Mill Services, LLC a Contractor of Cleveland-cliffs Burn	Burns Harbor	—	◐ LIKELY ACTIVE
SWSteel Warehouse of Portage	Portage	—	◐ LIKELY ACTIVE
TCTube City Ims LLC	Portage	—	◐ LIKELY ACTIVE
BSBeemsterboer Slag Corporation a Contractor of Cleveland-clif	Burns Harbor	—	◇ UNVERIFIED
MCMid-continent Coal & Coke	Portage	—	◇ UNVERIFIED
CCCleveland-Cliffs - Corporate Burns Harbor - Corporate	Burns Harbor	100–499	◐ LIKELY ACTIVE
MPMidwest Plant	Portage	500+	◐ LIKELY ACTIVE
OHOPTA-Burns Harbor	Burns Harbor	1–19	◐ LIKELY ACTIVE
PGPhoenix Global, LLC-Burns Harbor	Burns Harbor	100–499	◐ LIKELY ACTIVE

Search all 449 facilities