| FFFlury Foundry CO | Lancaster | PA | Primary Metal Manufacturing331529 | — | ◐ LIKELY ACTIVE |
| FIFranklin Ind Co/franklin | Franklin | PA | Primary Metal Manufacturing331221 | — | ◐ LIKELY ACTIVE |
| GDGerard Daniel Worldwide/hanover Keystone Facility | Hanover | PA | Primary Metal Manufacturing331222 | — | ◐ LIKELY ACTIVE |
Global Tungsten & Powders Llc/hawes Street Plt | Towanda | PA | Primary Metal Manufacturing331410 | — | ◐ LIKELY ACTIVE |
| HMHamburg Mfg Inc/hamburg Plow Works Plt | Hamburg | PA | Primary Metal Manufacturing331511 | — | ◐ LIKELY ACTIVE |
| HMHamburg Mfg Inc/plow Works Finishing | Hamburg | PA | Primary Metal Manufacturing331511 | — | ◐ LIKELY ACTIVE |
| HFHodge Foundry | Greenville | PA | Primary Metal Manufacturing331511 | 20-99 | ◐ LIKELY ACTIVE |
| HEHydro Extrusion Usa, LLC | Mountain Top | PA | Primary Metal Manufacturing331318 | — | ◐ LIKELY ACTIVE |
| IInmetco | Ellwood City | PA | Primary Metal Manufacturing331314 | — | ◐ LIKELY ACTIVE |
| IWInsteel Wire Products PAW | Hazle Township | PA | Primary Metal Manufacturing331222 | 20-99 | ◐ LIKELY ACTIVE |
| JSJersey Shore Steel Co/avis Plt | Avis | PA | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
Jersey Shore Steel Fabrication | Montoursville | PA | Primary Metal Manufacturing331110 | 20-99 | ◐ LIKELY ACTIVE |
| KPKeystone Profiles LTD Beaver Falls Plant | Beaver Falls | PA | Primary Metal Manufacturing331221 | — | ◐ LIKELY ACTIVE |
| KMKubina Metals | Grindstone | PA | Primary Metal Manufacturing331410 | — | ◐ LIKELY ACTIVE |
| MPMayer Pollock Steel CORP | Pottstown | PA | Primary Metal Manufacturing331513 | — | ◐ LIKELY ACTIVE |
| MBMba Building Supplies Ne, INC. | Frackville | PA | Primary Metal Manufacturing331210 | 20-99 | ◐ LIKELY ACTIVE |
| MIMcc International, INC. | Mc Donald | PA | Primary Metal Manufacturing331513 | 20-99 | ◐ LIKELY ACTIVE |
| MIMcc Intl/miller Cent Cast Inc/mcdonald Plt | Cecil | PA | Primary Metal Manufacturing331523 | — | ◐ LIKELY ACTIVE |
| MIMetaltech Inc/sandy Twp Plt | Dubois | PA | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| MRMountain Ridge Metals 1678 Rte 209 | Millersburg | PA | Primary Metal Manufacturing331318 | — | ◐ LIKELY ACTIVE |
| MRMountain Ridge Metals Millersburg | Millersburg | PA | Primary Metal Manufacturing331318 | — | ◐ LIKELY ACTIVE |
| MFMulti Flex Plating Co/collingdale | Collingdale | PA | Primary Metal Manufacturing331410 | — | ◐ LIKELY ACTIVE |
| NRNatl Roll Co/vertical Seal CO | Pleasantville | PA | Primary Metal Manufacturing331221 | — | ◐ LIKELY ACTIVE |
| NSNaval Support Activity | Mechanicsburg | PA | Primary Metal Manufacturing331491 | — | ◐ LIKELY ACTIVE |
| NONew Oxford Aluminum (Genlyte-Signify) | New Oxford | PA | Primary Metal Manufacturing331524 | 20-99 | ◐ LIKELY ACTIVE |
| NPNlmk Pennsylvania Lcc | Farrell | PA | Primary Metal Manufacturing331110 | 500+ | ◐ LIKELY ACTIVE |
| OMOCM Manufacturing LLC | King of Prussia | PA | Primary Metal Manufacturing331222 | 100-499 | ◐ LIKELY ACTIVE |
| OUOpta USA Inc/affival INC | New Kensington | PA | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| PPPa Precision Cast Pa/lebanon City Plt | Lebanon | PA | Primary Metal Manufacturing331511 | — | ◐ LIKELY ACTIVE |
| PAPennex Aluminum Company - York | York | PA | Primary Metal Manufacturing331316 | 20-99 | ◐ LIKELY ACTIVE |
| PCPenn-Mar Castings LLC | Hanover | PA | Primary Metal Manufacturing331511 | 20-99 | ◐ LIKELY ACTIVE |
| PCPerformance Castings, LLC | Erie | PA | Primary Metal Manufacturing331511 | — | ◐ LIKELY ACTIVE |
| PCPerryman Co/frackville | Frackville | PA | Primary Metal Manufacturing331491 | — | ◐ LIKELY ACTIVE |
| PEPEXCO (Pennsylvania Extruded Tube Co) | Clarks Summit | PA | Primary Metal Manufacturing331210 | 20-99 | ◐ LIKELY ACTIVE |
| PPPiad Precision Casting Corporation | Greensburg | PA | Primary Metal Manufacturing331423 | 100-499 | ◐ LIKELY ACTIVE |
| PCPlum CORP | Greensburg | PA | Primary Metal Manufacturing331221 | — | ◐ LIKELY ACTIVE |
| PPPost Precision Castings INC | Strausstown | PA | Primary Metal Manufacturing331512 | — | ◐ LIKELY ACTIVE |
| RIReading Industries INC | Reading | PA | Paper Manufacturing322211 | 20-99 | ◐ LIKELY ACTIVE |
| RMRecycle Metals Corp/conshohocken | Conshohocken | PA | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| RMReed Mfg/erie | Erie | PA | Primary Metal Manufacturing331511 | — | ◐ LIKELY ACTIVE |
| SMSilberline Mfg CO - Tidewood Plant | Tamaqua | PA | Primary Metal Manufacturing331314 | — | ◐ LIKELY ACTIVE |
| SCSpring City Electrical Mfg. Co. | Spring City | PA | Primary Metal Manufacturing331511 | 100-499 | ◐ LIKELY ACTIVE |
| SGStanley G Flagg & CO | Stowe | PA | Primary Metal Manufacturing331525 | — | ◐ LIKELY ACTIVE |
| SFSuperior Forge and Steel | Pittsburgh | PA | Primary Metal Manufacturing331221 | 20-99 | ◐ LIKELY ACTIVE |
| TATenaris Ambridge | Ambridge | PA | Primary Metal Manufacturing331110 | 20-99 | ◐ LIKELY ACTIVE |
| TEThe Esab Group, INC. | Hanover | PA | Primary Metal Manufacturing331491 | — | ◐ LIKELY ACTIVE |
| TPThe Perryman CO - Titanium Melting Facility - Phase 3 | Coal Center | PA | Primary Metal Manufacturing331410 | — | ◐ LIKELY ACTIVE |
| TITitan Intl/pottstown | Pottstown | PA | Primary Metal Manufacturing331491 | — | ◐ LIKELY ACTIVE |
| TTTsi Titanium INC. | Derry | PA | Primary Metal Manufacturing331491 | 20-99 | ◐ LIKELY ACTIVE |
| TSTygart Steel | Mckeesport | PA | Primary Metal Manufacturing331221 | 20-99 | ◐ LIKELY ACTIVE |