US Factory Map

Primary metals manufacturers in Pennsylvania

Pennsylvania has 307 primary metals establishments employing 32,639 people (Census, 2023), and EPA's ECHO database lists 438 active primary metals facilities in the state. By employment it is Pennsylvania's number 7 manufacturing industry, and Pennsylvania ranks number 3 among states for it.

NAICS subsector
331
Primary Metal Manufacturing
Establishments
307
Census 2023
Employees
32,639
Census 2023
In EPA records
438
With a page here
29
Revised
November 11, 2026

Primary metals factories with a page

FacilityWhat it makes (NAICS)City
Accellent Inc/Collegeville MicrocoaxIron and Steel Pipe and Tube Manufacturing from Purchased SteelCollegeville
Alexander Mill Services Inc/Stony Creek PltIron and Steel Mills and Ferroalloy ManufacturingHollsopple
Allegheny Ludlum Bagdad331111Leechburg
Allegheny Ludlum CorpIron and Steel Mills and Ferroalloy ManufacturingVandergrift
Allegheny Ludlum Latrobe PlantIron and Steel Mills and Ferroalloy ManufacturingLatrobe
Allegheny Ludlum LLCIron and Steel Mills and Ferroalloy ManufacturingBrackenridge
Alleima Precision Tube LLCIron and Steel Pipe and Tube Manufacturing from Purchased SteelScottdale
Arcelormittal Plate LLC - Coatesville FacilityIron and Steel Mills and Ferroalloy ManufacturingCoatesville
Arcelormittal Plate LLC Conshohocken FacilityIron and Steel Mills and Ferroalloy ManufacturingConshohocken
Arcelormittal Steelton LLCIron and Steel Mills and Ferroalloy ManufacturingSteelton
Arconic US LLCAluminum Sheet, Plate, and Foil ManufacturingLancaster
Asc Engineered Solutions LLC/Columbia Fka AnvilIron FoundriesColumbia
Befesa Zinc US IncSecondary Smelting, Refining, and Alloying of Nonferrous Metal (except Copper and Aluminum)Palmerton
Carpenter Technology CorpIron and Steel Mills and Ferroalloy ManufacturingReading
East Penn Mfg Co Inc/Battery AssemblySecondary Smelting, Refining, and Alloying of Nonferrous Metal (except Copper and Aluminum)Lyons
Ellwood Quality Steels CoIron and Steel Mills and Ferroalloy ManufacturingNew Castle
Global Tungsten and PowdersNonferrous Metal (except Aluminum) Smelting and RefiningTowanda
Hydro Extrusion USA LLC - Cressona FacilityOther Aluminum Rolling, Drawing, and ExtrudingCressona
InmetcoSecondary Smelting and Alloying of AluminumEllwood City
Ipsco Koppel Tubulars CorpIron and Steel Mills and Ferroalloy ManufacturingKoppel
Jessop Steel LLCRolled Steel Shape ManufacturingWashington
Latrobe Specialty Steel CoIron and Steel Mills and Ferroalloy ManufacturingLatrobe
Nlmk Pennsylvania LLCRolled Steel Shape ManufacturingFarrell
Standard Steel-Burnham PlantIron and Steel Mills and Ferroalloy ManufacturingBurnham
Union Electric Steel Corp331111Burgettstown
Universal Stainless & Alloy Prod - Bridgeville Facility331112Bridgeville
Uss Corp/Edgar Thomson WorksIron and Steel Mills and Ferroalloy ManufacturingBraddock
Ward Mfg Plt 1 & 2Iron FoundriesBlossburg
Wheatland Tube Company - CouncilIron and Steel Pipe and Tube Manufacturing from Purchased SteelWheatland

These are the Pennsylvania primary metals facilities that report to EPA's Toxics Release Inventory. The other 409 in EPA records don't have a page yet.

What these factories make

  • Iron and Steel Mills and Ferroalloy Manufacturing (NAICS 331110): 17 facilities
  • Rolled Steel Shape Manufacturing (NAICS 331221): 8 facilities
  • Secondary Smelting, Refining, and Alloying of Nonferrous Metal (except Copper and Aluminum) (NAICS 331492): 4 facilities
  • Iron and Steel Pipe and Tube Manufacturing from Purchased Steel (NAICS 331210): 3 facilities
  • Secondary Smelting and Alloying of Aluminum (NAICS 331314): 3 facilities
  • Other Aluminum Rolling, Drawing, and Extruding (NAICS 331318): 2 facilities
  • Iron Foundries (NAICS 331511): 2 facilities
  • Nonferrous Metal (except Aluminum) Smelting and Refining (NAICS 331410): 2 facilities
  • Copper Rolling, Drawing, Extruding, and Alloying (NAICS 331420): 2 facilities
  • Nonferrous Metal (except Copper and Aluminum) Rolling, Drawing, and Extruding (NAICS 331491): 2 facilities

Where they cluster

Cities with the most active primary metals facilities in EPA records: Pittsburgh (10), Lancaster (9), New Castle (9), Erie (9), Philadelphia (8).

New primary metals plants in Pennsylvania

Primary metals manufacturing across the US. Everything made in Pennsylvania.