| VCVictaulic Co/lawrenceville Plt | Tioga | PA | Primary Metal Manufacturing331511 | — | ◐ LIKELY ACTIVE |
| VLVictaulic Lawrenceville | Tioga | PA | Primary Metal Manufacturing331511 | 100-499 | ◐ LIKELY ACTIVE |
| WCWah Chang Titanium Wire | Frackville | PA | Primary Metal Manufacturing331491 | — | ◐ LIKELY ACTIVE |
| ZDZwaan Dry Clnr/canonsburg | Canonsburg | PA | Primary Metal Manufacturing331520 | — | ◐ LIKELY ACTIVE |
| ACAkj Clairton LLC | Clairton | PA | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| ATAmg Titanium Llc/551 Northgate Cir | New Castle | PA | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| CMClearfield Metal Tech/clearfield Plt | Clearfield | PA | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| CSCoatesville Scrap Iron & Metal Fac | Coatesville | PA | Primary Metal Manufacturing331410 | — | ◐ LIKELY ACTIVE |
| DIDickson Investment Hardware INC | King of Prussia | PA | Primary Metal Manufacturing331512 | — | ◐ LIKELY ACTIVE |
| GFGeorgia Financial Xiii Llc/avonmore Plt | Avonmore | PA | Primary Metal Manufacturing331511 | — | ◐ LIKELY ACTIVE |
| KMKalas Manufacturing Plant 3 | Denver | PA | Primary Metal Manufacturing331491 | — | ◐ LIKELY ACTIVE |
| KRKymera Reading Alloys Inc/robesonia | Robesonia | PA | Primary Metal Manufacturing331112 | — | ◐ LIKELY ACTIVE |
Luxfer Magtech Inc/tamaqua | Tamaqua | PA | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
| MSMetaldyne Sintered Ridgway LLC | Emporium | PA | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| MPMetalico Pgh INC | Pittsburgh | PA | Primary Metal Manufacturing331511 | — | ◐ LIKELY ACTIVE |
| NSNatl Std Impoundment | Mount Joy | PA | Primary Metal Manufacturing331222 | — | ◐ LIKELY ACTIVE |
| NLNavitus LLC | Bellefonte | PA | Primary Metal Manufacturing331420 | — | ◐ LIKELY ACTIVE |
| PIPace Industries | Loyalhanna | PA | Primary Metal Manufacturing331523 | — | ◐ LIKELY ACTIVE |
| PTPlymouth Tube | Horsham | PA | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
| RBRhoads Building 57 | Philadelphia | PA | Primary Metal Manufacturing331221 | — | ◐ LIKELY ACTIVE |
| SWSeverstal Wheeling/allenport | Allenport | PA | Primary Metal Manufacturing331221 | — | ◐ LIKELY ACTIVE |
| TSTech Spec Inc/derry | Derry | PA | Primary Metal Manufacturing331491 | — | ◐ LIKELY ACTIVE |
| WTWheatland Tube Council Ave Plt/wheatland Tube LLC | Wheatland | PA | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
| ADAerospace Display Sys Hatfield Fac | Hatfield | PA | Primary Metal Manufacturing331524 | — | ◇ UNVERIFIED |
| ARAg-met Refining CORP | Delano | PA | Primary Metal Manufacturing331528 | — | ◇ UNVERIFIED |
| APAir Products & Chemicals INC | Lancaster | PA | Primary Metal Manufacturing331315 | — | ◇ UNVERIFIED |
| ANAkers Natl Roll Co/hyde Park Foundry | Hyde Park | PA | Primary Metal Manufacturing331511 | — | ◇ UNVERIFIED |
| ASAk Steel Butler Works | Butler | PA | Primary Metal Manufacturing331111 | — | ◇ UNVERIFIED |
| ALAllegheny Ludlum CORP | Houston | PA | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| ALAllegheny Ludlum Cor/washington Flatroll | Washington | PA | Primary Metal Manufacturing331221 | — | ◇ UNVERIFIED |
| ALAllegheny Ludlum Llc/houston Fitch Works | Houston | PA | Primary Metal Manufacturing331100 | — | ◇ UNVERIFIED |
| ATAllied Tube & Conduit CORP | Morrisville | PA | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| ATAllied Tube & Conduit Corp/norcom | Philadelphia | PA | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| ACAlumina Ceramic Components INC | Latrobe | PA | Primary Metal Manufacturing331313 | — | ◇ UNVERIFIED |
| AMAmeri-precision Metals Inc/canonsburg Fac | Canonsburg | PA | Primary Metal Manufacturing331221 | — | ◇ UNVERIFIED |
| BMBardane Mfg Co/jermyn Plt | Jermyn | PA | Primary Metal Manufacturing331523 | — | ◇ UNVERIFIED |
| BFBeaver Falls Machine Shop | Beaver Falls | PA | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| BFBeaver Falls Tubular Prodllc/beaver Falls Plt | Beaver Falls | PA | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| BSBigbee Steel & Tank CO | Manheim | PA | Primary Metal Manufacturing331221 | — | ◇ UNVERIFIED |
| BFBoyertown Foundry Co/fka Eafco | New Berlinville | PA | Primary Metal Manufacturing331511 | — | ◇ UNVERIFIED |
| BBBrass & Bronze Casting CO | Irwin | PA | Primary Metal Manufacturing331522 | — | ◇ UNVERIFIED |
| BABridon American CORP | Exeter | PA | Primary Metal Manufacturing331222 | — | ◇ UNVERIFIED |
| BEBrighton Electric Steel Casting CO | Beaver Falls | PA | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| BEBrubacher Excavating INC | Bowmansville | PA | Primary Metal Manufacturing331111 | — | ◇ UNVERIFIED |
| BSBudd Site | Philadelphia | PA | Primary Metal Manufacturing331221 | — | ◇ UNVERIFIED |
| CICarson Ind/freeport | Freeport | PA | Primary Metal Manufacturing331523 | — | ◇ UNVERIFIED |
| CWCavert Wire | Lemont Furnace | PA | Primary Metal Manufacturing331222 | — | ◇ UNVERIFIED |
| CPCharter Plastics | Titusville | PA | Primary Metal Manufacturing331524 | — | ◇ UNVERIFIED |
| COCheckers One Hour Cleaners/washington | Washington | PA | Primary Metal Manufacturing331522 | — | ◇ UNVERIFIED |
| CMChevron Molycorp Washington Remediation Proj | Washington | PA | Primary Metal Manufacturing331000 | — | ◇ UNVERIFIED |