| EMEriez Magnetics Wager | Erie | — | ◇ UNVERIFIED |
| EPExport Plt | Export | — | ◇ UNVERIFIED |
| FPFulmer / Perma Cast a Division of Motive Power, INC | Export | — | ◇ UNVERIFIED |
| GDGeneral Dynamics Ots (wilkes-barre) LLC - Main Facility | Wilkes Barre | — | ◇ UNVERIFIED |
| ISImperial Specialty INC | Pottstown | — | ◇ UNVERIFIED |
| JCJohnson Controls INC - East York Facility | York | — | ◇ UNVERIFIED |
| KRKeystone Rustproofing INC | Arnold | — | ◇ UNVERIFIED |
| LILee Ind INC | Philipsburg | — | ◇ UNVERIFIED |
| LCLumsden CORP Abraso St | Lancaster | — | ◇ UNVERIFIED |
| LCLumsden CORP Loop Rd | Lancaster | — | ◇ UNVERIFIED |
| MSManion Steel Barrel | Oil City | — | ◇ UNVERIFIED |
| MSMetaldyne Sintered St Marys | Saint Marys | — | ◇ UNVERIFIED |
| MAMetem a Ge Power Business | Allentown | — | ◇ UNVERIFIED |
| OTOhd Thermacore INC | Williamsport | — | ◇ UNVERIFIED |
| OSOneal Steel INC | Ambridge | — | ◇ UNVERIFIED |
| ODOverhead Door - Pa Division | Lewistown | — | ◇ UNVERIFIED |
| PCPolymer Concepts Tech Pby Inc/hanover Plt Kaydon Ring & Seal | Hanover | — | ◇ UNVERIFIED |
| PIPrecisionform INC | Lititz | — | ◇ UNVERIFIED |
| RIRebco Inc/kersey | Kersey | — | ◇ UNVERIFIED |
| RMRockwood Mfg Co/rockwood | Rockwood | — | ◇ UNVERIFIED |
| SCSilgan Closures Fka Amcor White Cap | Hazleton | — | ◇ UNVERIFIED |
| SFSpecialty Fabrication & Powd Er Coating LLC | Franklin | — | ◇ UNVERIFIED |
| SMSteel Management Services | Nazareth | — | ◇ UNVERIFIED |
| SISymmco INC | Sykesville | — | ◇ UNVERIFIED |
| TMTech Met Inc/glassport | Glassport | — | ◇ UNVERIFIED |
| TLTeleflex Limerick Plt | Limerick | — | ◇ UNVERIFIED |
| TTThe Techs - Nextech Plant | Turtle Creek | — | ◇ UNVERIFIED |
| UMUS Mint | Philadelphia | — | ◇ UNVERIFIED |
| VNValmont Newmark/west Hazleton | Hazleton | — | ◇ UNVERIFIED |
| BTBelleflex Technologies, LLC | Ford City | 20–99 | ▲ REPORTED CLOSED |
 Dlm East INC | East Berlin | — | ◐ LIKELY ACTIVE |
 Frazier-simplex INC | Washington | — | ◐ LIKELY ACTIVE |
| GIGaven Industries INC | Saxonburg | — | ◐ LIKELY ACTIVE |
| JEJ & E Industries, INC. | Jermyn | — | ◐ LIKELY ACTIVE |
 Lebanon Machine & Manufacturing CO LLC | Lebanon | — | ◐ LIKELY ACTIVE |
 Shyda's Outdoor Center, INC. | Lebanon | — | ◐ LIKELY ACTIVE |
 Sylatek Machine LLC | York Haven | — | ◐ LIKELY ACTIVE |
| USUSA Spares Inc | Carlisle | 20–99 | ◐ LIKELY ACTIVE |
| WPWest Penn Manufacturing Technologies LLC | Cresson | 20–99 | ▲ REPORTED CLOSED |
| MMetlab | Glenside | — | ◐ LIKELY ACTIVE |
| ICIvy Creek Custom Cabinetry INC | Landisville | — | ◇ UNVERIFIED |
| NGNeville Galvanizing INC. | Pittsburgh | — | ◇ UNVERIFIED |
| VSVenango Steel | Franklin | — | ◇ UNVERIFIED |
| AIAbbottstown Industries, Inc. | Abbottstown | 20–99 | ◐ LIKELY ACTIVE |
| APAccutrex Prod Cecil Plt | Canonsburg | — | ◐ LIKELY ACTIVE |
| AGAcf Group Llc/allison Custom Fabrication | Allison | — | ◐ LIKELY ACTIVE |
| ACAcme Cryogenics | Allentown | — | ◐ LIKELY ACTIVE |
| AEA & E Mfg | Levittown | — | ◐ LIKELY ACTIVE |
| AGAggressive Grinding Svc INC | Latrobe | — | ◐ LIKELY ACTIVE |
 Allegheny Bradford Corporation VH | Lewis Run | 20–99 | ◐ LIKELY ACTIVE |
