| WFWilliamsport Foundry Co/williamsport | Williamsport | PA | Primary Metal Manufacturing331511 | — | ◇ UNVERIFIED |
| WSWilson Scrap Metals INC - Route 286 | Saltsburg | PA | Primary Metal Manufacturing331314 | — | ◇ UNVERIFIED |
| WAWorthington Armstron/wave - Malvern | Malvern | PA | Primary Metal Manufacturing331221 | — | ◇ UNVERIFIED |
| YMYork Mold INC. | Manchester | PA | Primary Metal Manufacturing331522 | — | ◇ UNVERIFIED |
| ZIZurn Ind Llc/cast Metals Div | Erie | PA | Primary Metal Manufacturing331511 | — | ◇ UNVERIFIED |
| AMAATP - Mid Atlantic | Lancaster | PA | Primary Metal Manufacturing331222 | 20-99 | ◐ LIKELY ACTIVE |
| AAlburtis (2) | Alburtis | PA | Primary Metal Manufacturing331511 | 100-499 | ◐ LIKELY ACTIVE |
| ATAlcoa Technical Center | New Kensington | PA | Primary Metal Manufacturing331313 | 100-499 | ◐ LIKELY ACTIVE |
| ATAlliance Tubular Holdings LLC Darlington Plant | Darlington | PA | Primary Metal Manufacturing331210 | 20-99 | ◐ LIKELY ACTIVE |
| ALAlumicore LLC | Monessen | PA | Primary Metal Manufacturing331314 | 20-99 | ◐ LIKELY ACTIVE |
| ASAmerican Steel Castings LLC | Midland | PA | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| AUArconic US LLC | 1480 Manheim Pike | PA | Primary Metal Manufacturing331315 | 500+ | ◐ LIKELY ACTIVE |
ATI Specialty Materials - Oakdale | Oakdale | PA | Primary Metal Manufacturing331492 | 20-99 | ◐ LIKELY ACTIVE |
| BWBekaert Wilkes-Barre | Hanover Twp | PA | Primary Metal Manufacturing331110 | 20-99 | ◐ LIKELY ACTIVE |
| BWBen Weitsman of Scranton | Scranton | PA | Primary Metal Manufacturing331491 | 1-19 | ◐ LIKELY ACTIVE |
| BSBeth Steel Corporation | Bethlehem | PA | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| BOBrackenridge Operations | Brackenridge | PA | Primary Metal Manufacturing331221 | 100-499 | ◐ LIKELY ACTIVE |
| BBridon-Bekaert | Hanover Township | PA | Primary Metal Manufacturing331222 | 20-99 | ◐ LIKELY ACTIVE |
| BEBridon-Bekaert Exeter | Exeter | PA | Primary Metal Manufacturing331110 | 100-499 | ◐ LIKELY ACTIVE |
| CICambridge-Lee Industries LLC Reading Facility | Reading | PA | Primary Metal Manufacturing331420 | 100-499 | ◐ LIKELY ACTIVE |
| CICarson Industries, Inc. | Freeport | PA | Primary Metal Manufacturing331524 | 20-99 | ◐ LIKELY ACTIVE |
| CCChemalloy Company LLC | Conshohocken | PA | Primary Metal Manufacturing331110 | 20-99 | ◐ LIKELY ACTIVE |
| CPClairton Plant | Clairton | PA | Primary Metal Manufacturing331110 | 500+ | ◐ LIKELY ACTIVE |
| CBCleveland-Cliffs Butler Works | Lyndora | PA | Primary Metal Manufacturing331110 | 500+ | ◐ LIKELY ACTIVE |
| CCCleveland-Cliffs Corporate Coatesville - Corporate | Coatesville | PA | Primary Metal Manufacturing331110 | 1-19 | ◐ LIKELY ACTIVE |
| CSCronimet Specialty Metals Wheatland | Wheatland | PA | Primary Metal Manufacturing331492 | 20-99 | ◐ LIKELY ACTIVE |
| DADavis Alloys Manufacturing, LLC | Sharpsville | PA | Primary Metal Manufacturing331513 | 20-99 | ◐ LIKELY ACTIVE |
| DWDirect Wire D1 | Denver, PA | PA | Primary Metal Manufacturing331420 | 100-499 | ◐ LIKELY ACTIVE |
| ETEdgar Thomson Plant | Braddock | PA | Primary Metal Manufacturing331110 | 500+ | ◐ LIKELY ACTIVE |
| ECElectralloy/G.O. Carlson Inc/GOC Property Holdings/Rouseville | Oil City | PA | Primary Metal Manufacturing331110 | 1-19 | ◐ LIKELY ACTIVE |
| ENEllwood National Crankshaft Services | Hermitage | PA | Primary Metal Manufacturing331221 | 20-99 | ◐ LIKELY ACTIVE |
| ENEllwood National Steel | Irvine | PA | Primary Metal Manufacturing331110 | 20-99 | ◐ LIKELY ACTIVE |
| ESEllwood Specialty Metals Company | New Castle | PA | Primary Metal Manufacturing331513 | — | ◐ LIKELY ACTIVE |
| FPFairless Plant | Fairless Hills | PA | Primary Metal Manufacturing331110 | 20-99 | ◐ LIKELY ACTIVE |
| FCFayette Custom Wire Products, LLC | Scottdale | PA | Primary Metal Manufacturing331221 | 20-99 | ◐ LIKELY ACTIVE |
| FGForgepoint Government Solutions, LLC | Coatesville | PA | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| FIFranklin Industries Co. | Franklin | PA | Primary Metal Manufacturing331221 | 100-499 | ◐ LIKELY ACTIVE |
| GSGrant Street | Pittsburgh | PA | Primary Metal Manufacturing331110 | 500+ | ◐ LIKELY ACTIVE |
| GCGrede Casting Integrity | Meadville | PA | Primary Metal Manufacturing331511 | 100-499 | ◐ LIKELY ACTIVE |
| HPHamburg Plow Works Inc. | Hamburg | PA | Primary Metal Manufacturing331511 | 20-99 | ◐ LIKELY ACTIVE |
| HPHamilton Precision Metals, INC | Lancaster | PA | Primary Metal Manufacturing331221 | — | ◐ LIKELY ACTIVE |
| HRHoeganaes - Ridgway | Ridgway | PA | Primary Metal Manufacturing331221 | 1-19 | ◐ LIKELY ACTIVE |
| HCHydro Cressona | Cressona | PA | Primary Metal Manufacturing331318 | 500+ | ◐ LIKELY ACTIVE |
| HMHydro Mountain Top | Mountain Top | PA | Primary Metal Manufacturing331318 | 100-499 | ◐ LIKELY ACTIVE |
| IPIrvin Plant | West Mifflin | PA | Primary Metal Manufacturing331110 | 500+ | ◐ LIKELY ACTIVE |
| JIJgx Industries LLC | Gettysburg | PA | Primary Metal Manufacturing331513 | — | ◐ LIKELY ACTIVE |
| JSJ&K Salvage | York | PA | Primary Metal Manufacturing331420 | 20-99 | ◐ LIKELY ACTIVE |
| JSJm Steel, Pa | Leetsdale | PA | Primary Metal Manufacturing331210 | 20-99 | ◐ LIKELY ACTIVE |
| JFJohnstown Facility | Johnstown | PA | Primary Metal Manufacturing331221 | 100-499 | ◐ LIKELY ACTIVE |
| KCKalas Corporate Center - KC | Denver | PA | Primary Metal Manufacturing331420 | 20-99 | ◐ LIKELY ACTIVE |