6k Additive, INC. | Burgettstown | 20–99 | ● ACTIVE |
| AAAlpha Assembly Solutions, INC. | Altoona | 100–499 | ● ACTIVE |
American Cable Company | Philadelphia | 100–499 | ● ACTIVE |
Amerway INC | Altoona | 20–99 | ● ACTIVE |
Ampal INC. | Palmerton | 20–99 | ● ACTIVE |
| AIArcos Industries LLC | Mount Carmel | 20–99 | ● ACTIVE |
Ashland Foundry & Machine Works, LLC | Ashland | 100–499 | ● ACTIVE |
Ashley Machine & Tool CO | Wyoming | 20–99 | ● ACTIVE |
| BFBenton Foundry INC | Benton | 100–499 | ● ACTIVE |
Boose Aluminum Foundry CO INC | Stevens | 20–99 | ● ACTIVE |
Bridesburg Foundry Company | Whitehall | 20–99 | ● ACTIVE |
| BABristol Aluminum CO | Levittown | 20–99 | ● ACTIVE |
Buck Company, LLC | Quarryville | 100–499 | ● ACTIVE |
Cera-met LLC | Bethlehem | 100–499 | ● ACTIVE |
Consolidated Storage Companies, INC. | Tatamy | 100–499 | ● ACTIVE |
Donsco, INC. | Wrightsville | 100–499 | ● ACTIVE |
Duraloy Technologies, INC. | Scottdale | 100–499 | ● ACTIVE |
Effort Foundry, INC. | Bath | 20–99 | ● ACTIVE |
Ellwood Crankshaft and Machine Company | Hermitage | 100–499 | ● ACTIVE |
| EQEllwood Quality Steels Company | New Castle | 100–499 | ● ACTIVE |
| EMEngineered Materials Solutions Hamburg Facility | Hamburg | 20–99 | ● ACTIVE |
| EMEpic Metals CORP | Braddock | 100–499 | ● ACTIVE |
Erie Bronze & Aluminum CO | Erie | 1–19 | ● ACTIVE |
Franklin Bronze Plaques, INC. | Franklin | 20–99 | ● ACTIVE |
| FBFranklin Bronze Precision Components, LLC | Franklin | 20–99 | ● ACTIVE |
| GTGe Transportation/erie Plt | Erie | — | ● ACTIVE |
| GSGkn Sinter Metals Dubois | Dubois | 20–99 | ● ACTIVE |
Global Advanced Metals USA INC | Boyertown | 100–499 | ● ACTIVE |
Global Tungsten & Powders LLC | Towanda | 100–499 | ● ACTIVE |
Grand Valley Manufacturing CO | Titusville | — | ● ACTIVE |
| GMGreenville Metals INC | Transfer | 20–99 | ● ACTIVE |
| HMHeyco Metals INC | Reading | 20–99 | ● ACTIVE |
| HTHighland Tank, LLC (Stoystown, PA) | Stoystown | 100–499 | ● ACTIVE |
| HCHoeganaes CORP | Watsontown | 20–99 | ● ACTIVE |
| HEHoneywell Electronic Materials | Fombell | 20–99 | ● ACTIVE |
| HEHydro Extrusion USA LLC - Cressona Facility | Cressona | — | ● ACTIVE |
Hygrade Metal Moulding Manufacturing CORP. | Bethlehem | — | ● ACTIVE |
Jersey Shore Steel CO | Jersey Shore | 100–499 | ● ACTIVE |
| JMJohnson Matthey INC. | West Chester | 100–499 | ● ACTIVE |
Kapp Alloy & Wire, INC | Oil City | 1–19 | ● ACTIVE |
| KCKawneer CO INC | Bloomsburg | 100–499 | ● ACTIVE |
Kutztown Foundry & Machine LLC | Kutztown | 20–99 | ● ACTIVE |
| LMLangeloth Metallurgical Company LLC | Langeloth | 20–99 | ● ACTIVE |
Latrobe Specialty Metals Co, LLC | Latrobe | — | ● ACTIVE |
| LCLibertas Copper | Leetsdale | 100–499 | ● ACTIVE |
| LHLittlestown Hdwr & Foundry | Littlestown | 20–99 | ● ACTIVE |
Matthews International Corporation | Pittsburgh | — | ● ACTIVE |
Metco Ind | Saint Marys | 100–499 | ● ACTIVE |
Nathan Trotter and Co., INC | Coatesville | 20–99 | ● ACTIVE |
North American Hoganas Company | Hollsopple | 100–499 | ● ACTIVE |