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.
| Facility | City | What EPA lists |
|---|---|---|
| Arcelormittal LLC - Burns Harbor Facility | Burns Harbor | Iron and Steel Mills and Ferroalloy Manufacturing |
| Cleveland-Cliffs LLC | East Chicago | Iron and Steel Mills and Ferroalloy Manufacturing |
| Oil Technology Inc | East Chicago | Iron and Steel Mills and Ferroalloy Manufacturing |
| Nucor Steel | Crawfordsville | Iron and Steel Mills and Ferroalloy Manufacturing |
| Steel Dynamics Inc - Engineered Bar Products Div | Pittsboro | Iron and Steel Mills and Ferroalloy Manufacturing |
| AK Steel Rockport Works | Rockport | Iron and Steel Mills and Ferroalloy Manufacturing |
| Steel Dynamics Inc | Butler | Iron and Steel Mills and Ferroalloy Manufacturing |
| Nlmk Indiana | Portage | Iron and Steel Mills and Ferroalloy Manufacturing |
| Oil Technology, Inc./U.S. Steel Gary | Gary | Iron and Steel Mills and Ferroalloy Manufacturing |
| Arcelormittal Plate LLC (Gary Plate) | Gary | Iron and Steel Mills and Ferroalloy Manufacturing |
| Steel Dynamics Heartland | Terre Haute | Rolled Steel Shape Manufacturing |
| I/N Tek | New Carlisle | Rolled Steel Shape Manufacturing |
| US Steel East Chicago | East Chicago | Iron and Steel Mills and Ferroalloy Manufacturing |
| Steel Dynamics Structural | Columbia City | Iron and Steel Mills and Ferroalloy Manufacturing |
| Avestapolarit Inc | New Castle | Iron and Steel Mills and Ferroalloy Manufacturing |
| Phoenix Services LLC DBA Metal Services | East Chicago | Iron and Steel Mills and Ferroalloy Manufacturing |
| National Material Processing | East Chicago | Iron and Steel Pipe and Tube Manufacturing from Purchased Steel |
| Tms International LLC | Gary | Iron and Steel Mills and Ferroalloy Manufacturing |
| Harsco Minerals Briquetting LLC | East Chicago | Iron and Steel Mills and Ferroalloy Manufacturing |
| National Steel Corp Transportation Prodt | Portage | Rolled Steel Shape Manufacturing |
| Sms Mill Services, LLC A Contractor Of Cleveland-Cliffs Burn | Burns Harbor | Iron and Steel Mills and Ferroalloy Manufacturing |
| Tube City Ims LLC | Portage | Iron and Steel Mills and Ferroalloy Manufacturing |
| Fritz Enterprises Incorporated | Gary | Iron and Steel Mills and Ferroalloy Manufacturing |
| Plymouth Tube Company | Winamac | Iron and Steel Pipe and Tube Manufacturing from Purchased Steel |
| Merit Steel Company | Kouts | Steel Wire Drawing |
| Worthington Steel | Porter | Rolled Steel Shape Manufacturing |
| United States Steel Corp Midwest Plant | Portage | Rolled Steel Shape Manufacturing |
| US Steel - Midwest Plant | Portage | Rolled Steel Shape Manufacturing |
| Arcelor Mittal/indiana Harbor Long Carbon | East Chicago | Iron and Steel Mills and Ferroalloy Manufacturing |
| Endress + Hauser Flowtec AG, Division US | Greenwood | Iron and Steel Pipe and Tube Manufacturing from Purchased Steel |
| Fort Wayne Foundry- Columbia City Div. I | Columbia City | Steel Wire Drawing |
| Fort Wayne Metals - Ardmore Campus | Fort Wayne | Steel Wire Drawing |
| Graber Post Buildings Incorporated | Montgomery | Rolled Steel Shape Manufacturing |
| Holscher Products Inc | Fowler | Rolled Steel Shape Manufacturing |
| Thyssenkrupp Crankshaft Company | Veedersburg | Iron and Steel Mills and Ferroalloy Manufacturing |
| Heidtman Steel Products | Butler | Iron and Steel Mills and Ferroalloy Manufacturing |
| Voss Clark D/B/A Pgp Corp | Jeffersonville | Iron and Steel Mills and Ferroalloy Manufacturing |
| Allied Tube And Conduit | Merrillville | Iron and Steel Pipe and Tube Manufacturing from Purchased Steel |
| Crossroads Seamless USA LLC | Winamac | Iron and Steel Pipe and Tube Manufacturing from Purchased Steel |
| E & H Tubing Incorporated | Brownstown | Iron 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.