Perryman CO | Houston | PA | Primary Metal Manufacturing331491 | 500+ | ● ACTIVE |
| SSStandard Steel-burnham Plant | Burnham | PA | Primary Metal Manufacturing331110 | 500+ | ● ACTIVE |
Alleima USA LLC | South Abington Township | PA | Primary Metal Manufacturing331210 | 500+ | ● ACTIVE |
Arconic Corporation | Pittsburgh | PA | Primary Metal Manufacturing331315 | 500+ | ● ACTIVE |
| CPCleveland-cliffs Plate LLC | Coatesville | PA | Primary Metal Manufacturing331110 | 500+ | ● ACTIVE |
Asc Engineered Solutions Llc/columbia Fka Anvil | Columbia | PA | Primary Metal Manufacturing331511 | 500+ | ◐ LIKELY ACTIVE |
| NPNlmk Pennsylvania Lcc | Farrell | PA | Primary Metal Manufacturing331110 | 500+ | ◐ LIKELY ACTIVE |
| VCVictaulic Co/forks Facility | Easton | PA | Primary Metal Manufacturing331511 | 500+ | ◐ LIKELY ACTIVE |
| CSCleveland-Cliffs Steelton LLC | Steelton | PA | Primary Metal Manufacturing331110 | 500+ | ◐ LIKELY ACTIVE |
| AUArconic US LLC | 1480 Manheim Pike | PA | Primary Metal Manufacturing331315 | 500+ | ◐ LIKELY ACTIVE |
| CPClairton Plant | Clairton | PA | Primary Metal Manufacturing331110 | 500+ | ◐ LIKELY ACTIVE |
| CBCleveland-Cliffs Butler Works | Lyndora | PA | Primary Metal Manufacturing331110 | 500+ | ◐ LIKELY ACTIVE |
| ETEdgar Thomson Plant | Braddock | PA | Primary Metal Manufacturing331110 | 500+ | ◐ LIKELY ACTIVE |
| GSGrant Street | Pittsburgh | PA | Primary Metal Manufacturing331110 | 500+ | ◐ LIKELY ACTIVE |
| HCHydro Cressona | Cressona | PA | Primary Metal Manufacturing331318 | 500+ | ◐ LIKELY ACTIVE |
| IPIrvin Plant | West Mifflin | PA | Primary Metal Manufacturing331110 | 500+ | ◐ LIKELY ACTIVE |
| LLLSM - Latrobe | Latrobe | PA | Primary Metal Manufacturing331110 | 500+ | ◐ LIKELY ACTIVE |