US Factory Map

Steel manufacturers in Indiana

Indiana has 95 steel makers in EPA records, facilities that list codes for iron and steel mill products, pipe, tube and wire. The most are in East Chicago, Portage and Gary. That is 8% of the 1,202 such facilities nationwide, and Indiana ranks #4 of 44 states.

Product
Steel manufacturers
Facilities
95
State rank
#4
NAICS
331110 and 3 related codes
Revised
November 1, 2026

Facilities in Indiana

These are active facilities in EPA's ECHO database that list a code for iron and steel mill products, pipe, tube and wire. The 40 shown first are the ones with the most EPA program records, which usually means the larger sites.

FacilityCityWhat EPA lists
Arcelormittal LLC - Burns Harbor FacilityBurns HarborIron and Steel Mills and Ferroalloy Manufacturing
Cleveland-Cliffs LLCEast ChicagoIron and Steel Mills and Ferroalloy Manufacturing
Oil Technology IncEast ChicagoIron and Steel Mills and Ferroalloy Manufacturing
Nucor SteelCrawfordsvilleIron and Steel Mills and Ferroalloy Manufacturing
Steel Dynamics Inc - Engineered Bar Products DivPittsboroIron and Steel Mills and Ferroalloy Manufacturing
AK Steel Rockport WorksRockportIron and Steel Mills and Ferroalloy Manufacturing
Steel Dynamics IncButlerIron and Steel Mills and Ferroalloy Manufacturing
Nlmk IndianaPortageIron and Steel Mills and Ferroalloy Manufacturing
Oil Technology, Inc./U.S. Steel GaryGaryIron and Steel Mills and Ferroalloy Manufacturing
Arcelormittal Plate LLC (Gary Plate)GaryIron and Steel Mills and Ferroalloy Manufacturing
Steel Dynamics HeartlandTerre HauteRolled Steel Shape Manufacturing
I/N TekNew CarlisleRolled Steel Shape Manufacturing
US Steel East ChicagoEast ChicagoIron and Steel Mills and Ferroalloy Manufacturing
Steel Dynamics StructuralColumbia CityIron and Steel Mills and Ferroalloy Manufacturing
Avestapolarit IncNew CastleIron and Steel Mills and Ferroalloy Manufacturing
Phoenix Services LLC DBA Metal ServicesEast ChicagoIron and Steel Mills and Ferroalloy Manufacturing
National Material ProcessingEast ChicagoIron and Steel Pipe and Tube Manufacturing from Purchased Steel
Tms International LLCGaryIron and Steel Mills and Ferroalloy Manufacturing
Harsco Minerals Briquetting LLCEast ChicagoIron and Steel Mills and Ferroalloy Manufacturing
National Steel Corp Transportation ProdtPortageRolled Steel Shape Manufacturing
Sms Mill Services, LLC A Contractor Of Cleveland-Cliffs BurnBurns HarborIron and Steel Mills and Ferroalloy Manufacturing
Tube City Ims LLCPortageIron and Steel Mills and Ferroalloy Manufacturing
Fritz Enterprises IncorporatedGaryIron and Steel Mills and Ferroalloy Manufacturing
Plymouth Tube CompanyWinamacIron and Steel Pipe and Tube Manufacturing from Purchased Steel
Merit Steel CompanyKoutsSteel Wire Drawing
Worthington SteelPorterRolled Steel Shape Manufacturing
United States Steel Corp Midwest PlantPortageRolled Steel Shape Manufacturing
US Steel - Midwest PlantPortageRolled Steel Shape Manufacturing
Arcelor Mittal/indiana Harbor Long CarbonEast ChicagoIron and Steel Mills and Ferroalloy Manufacturing
Endress + Hauser Flowtec AG, Division USGreenwoodIron and Steel Pipe and Tube Manufacturing from Purchased Steel
Fort Wayne Foundry- Columbia City Div. IColumbia CitySteel Wire Drawing
Fort Wayne Metals - Ardmore CampusFort WayneSteel Wire Drawing
Graber Post Buildings IncorporatedMontgomeryRolled Steel Shape Manufacturing
Holscher Products IncFowlerRolled Steel Shape Manufacturing
Thyssenkrupp Crankshaft CompanyVeedersburgIron and Steel Mills and Ferroalloy Manufacturing
Heidtman Steel ProductsButlerIron and Steel Mills and Ferroalloy Manufacturing
Voss Clark D/B/A Pgp CorpJeffersonvilleIron and Steel Mills and Ferroalloy Manufacturing
Allied Tube And ConduitMerrillvilleIron and Steel Pipe and Tube Manufacturing from Purchased Steel
Crossroads Seamless USA LLCWinamacIron and Steel Pipe and Tube Manufacturing from Purchased Steel
E & H Tubing IncorporatedBrownstownIron and Steel Pipe and Tube Manufacturing from Purchased Steel

Industry codes are reported by facilities to EPA programs and are not checked here. A few listings may be repair shops, distributors or recyclers. How these records work.

Where they are

  • East Chicago: 11
  • Portage: 7
  • Gary: 7
  • Fort Wayne: 6
  • Shelbyville: 5
  • South Bend: 4

By product code

  • Iron and Steel Mills and Ferroalloy Manufacturing (NAICS 331110): 23 of those shown
  • Rolled Steel Shape Manufacturing (NAICS 331221): 8 of those shown
  • Iron and Steel Pipe and Tube Manufacturing from Purchased Steel (NAICS 331210): 6 of those shown
  • Steel Wire Drawing (NAICS 331222): 3 of those shown

All primary metals manufacturing in Indiana: 296 facilities and Census job counts.