| ASAlpha Sintered Metals | Ridgway | PA | Primary Metal Manufacturing331523 | 100-499 | ◐ LIKELY ACTIVE |
| APAti Powder Metals, LLC | Oakdale | PA | Primary Metal Manufacturing331110 | 20-99 | ◐ LIKELY ACTIVE |
| BFBeaver Falls Tubular Products LLC | Beaver Falls | PA | Primary Metal Manufacturing331210 | 20-99 | ◐ LIKELY ACTIVE |
| BVBeaver Valley Alloy Foundry CO | Monaca | PA | Primary Metal Manufacturing331511 | 20-99 | ◐ LIKELY ACTIVE |
| BABoose at Cornwall INC | Lebanon | PA | Primary Metal Manufacturing331524 | 20-99 | ◐ LIKELY ACTIVE |
| CMConcast Metal Products CO | Mars | PA | Primary Metal Manufacturing331523 | 20-99 | ◐ LIKELY ACTIVE |
| DMDormont Mfg CO | Export | PA | Primary Metal Manufacturing331210 | 100-499 | ◐ LIKELY ACTIVE |
| DBDura Bond Pipe Llc/steelton | Steelton | PA | Primary Metal Manufacturing331210 | 100-499 | ◐ LIKELY ACTIVE |
| GMGreenville Metals INC | Transfer | PA | Primary Metal Manufacturing331492 | 20-99 | ◐ LIKELY ACTIVE |
| MIMetco Ind | Saint Marys | PA | Primary Metal Manufacturing331110 | 100-499 | ◐ LIKELY ACTIVE |
| PTPhoenix Tube CO | Bethlehem | PA | Primary Metal Manufacturing331210 | 100-499 | ◐ LIKELY ACTIVE |
| SPSt Prod LLC Dba Wieland Small Tube Prod/altoona | Duncansville | PA | Primary Metal Manufacturing331318 | 100-499 | ◐ LIKELY ACTIVE |
| UEUnion Elec Steel Corp/greengarden Ave | Erie | PA | Primary Metal Manufacturing331110 | 1-19 | ◐ LIKELY ACTIVE |
| VCVictaulic CO Forks Facility | Easton | PA | Primary Metal Manufacturing331511 | 500+ | ◐ LIKELY ACTIVE |
| ARAbington Reldan Metals Fairless Hills Fac | Fairless Hills | PA | Primary Metal Manufacturing331410 | — | ◐ LIKELY ACTIVE |
| AIAccellent Inc/collegeville Microcoax | Collegeville | PA | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
| AEAccuride Erie Lp/erie Forge Plt | Erie | PA | Primary Metal Manufacturing331521 | — | ◐ LIKELY ACTIVE |
| ACAlcoa Commercial Windows LLC (dba Traco) | Cranberry Township | PA | Primary Metal Manufacturing331318 | — | ◐ LIKELY ACTIVE |
| ALAllegheny Ludlum Latrobe Plant | Latrobe | PA | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| ALAllegheny Ludlum LLC | Brackenridge | PA | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| ASAmerican Sintered Technologies INC | Emporium | PA | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| APArcelormittal Plate LLC - Coatesville Facility | Coatesville | PA | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| APArcelormittal Plate LLC Conshohocken Facility | Conshohocken | PA | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| BMBear Metallurgical Mfg | Butler | PA | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| BTBerk Tek Llc/new Holland | New Holland | PA | Primary Metal Manufacturing331318 | — | ◐ LIKELY ACTIVE |
| BPBluescope Prefab Bldg Mfg Annville | Annville | PA | Primary Metal Manufacturing331221 | — | ◐ LIKELY ACTIVE |
| BFBoyertown Foundry Company | New Berlinville | PA | Primary Metal Manufacturing331511 | — | ◐ LIKELY ACTIVE |
Bridesburg Foundry Co/whitehall | Whitehall | PA | Primary Metal Manufacturing331420 | — | ◐ LIKELY ACTIVE |
| BLBrightsmith Llc/falls Twp | Morrisville | PA | Primary Metal Manufacturing331512 | — | ◐ LIKELY ACTIVE |
| CLCambridge Lee Plants 2, 3, 4 | Reading | PA | Primary Metal Manufacturing331314 | — | ◐ LIKELY ACTIVE |
Carpenter Technology CORP | Reading | PA | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| CCChemalloy CO Conshohocken Fac | Conshohocken | PA | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| CPCleveland-cliffs Plate LLC | Coatesville | PA | Primary Metal Manufacturing331110 | 500+ | ◐ LIKELY ACTIVE |
| CCCleveland Cliffs Steel Corp/ Butler Works | Butler | PA | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| CPCoilplus Pennsylvania | Philadelphia | PA | Primary Metal Manufacturing331111 | 20-99 | ◐ LIKELY ACTIVE |
| CSCronimet Specialty Metals USA INC | Greenville | PA | Primary Metal Manufacturing331492 | — | ◐ LIKELY ACTIVE |
Dayton Superior CORP | Tremont | PA | Primary Metal Manufacturing331222 | — | ◐ LIKELY ACTIVE |
Donsco, INC. | Wrightsville | PA | Primary Metal Manufacturing331511 | — | ◐ LIKELY ACTIVE |
| DIDonsco Inc/mt Joy | Mount Joy | PA | Primary Metal Manufacturing331511 | — | ◐ LIKELY ACTIVE |
| EGElectralloy Go Carlson - Oil City Facility | Oil City | PA | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| FIFleetwood Industries INC. | Leesport | PA | Primary Metal Manufacturing331491 | — | ◐ LIKELY ACTIVE |
| GSGoodhart Sons INC. | Lancaster | PA | Primary Metal Manufacturing331111 | 100-499 | ◐ LIKELY ACTIVE |
| HCHarmony Castings | Harmony | PA | Primary Metal Manufacturing331524 | 20-99 | ◐ LIKELY ACTIVE |
| HHH & H Castings | York | PA | Primary Metal Manufacturing331523 | 20-99 | ◐ LIKELY ACTIVE |
| HFHodge Foundry/greenville | Greenville | PA | Primary Metal Manufacturing331511 | — | ◐ LIKELY ACTIVE |
| HAHp Acquisition Corp/e Hempfield | Lancaster | PA | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| IKIpsco Koppel Tubular CORP Ambridge | Ambridge | PA | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
| JMJohnson Matthey Inc/west Whiteland | West Chester | PA | Primary Metal Manufacturing331491 | 100-499 | ◐ LIKELY ACTIVE |
| JWJohnstown Wire Tech/johnstown Wire Plt | Johnstown | PA | Primary Metal Manufacturing331222 | — | ◐ LIKELY ACTIVE |
| JAJudson a Smith Co/boyertown | Boyertown | PA | Primary Metal Manufacturing331400 | — | ◐ LIKELY ACTIVE |