| BRBlue Ridge Pressure Castings | Lehighton | PA | Primary Metal Manufacturing331523 | — | ◇ UNVERIFIED |
| CSCronimet Specialty Metals USA INC. | Wheatland | PA | Primary Metal Manufacturing331529 | — | ◇ UNVERIFIED |
| DPDura-bond Pipe 1 LLC | Mckeesport | PA | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| DIDynamet Incorporated | Washington | PA | Primary Metal Manufacturing331221 | — | ◇ UNVERIFIED |
| EMEagle Metals-office Bldg | Leesport | PA | Primary Metal Manufacturing331420 | — | ◇ UNVERIFIED |
| EEEureka Elec Prod/north East | North East | PA | Primary Metal Manufacturing331522 | — | ◇ UNVERIFIED |
| GSGautier Steel Holdings Inc/gautier Steel Johnstown | Johnstown | PA | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| IIIwm International, LLC - Wire Facility | York | PA | Primary Metal Manufacturing331222 | — | ◇ UNVERIFIED |
| MIMcc Intl INC | Cecil | PA | Primary Metal Manufacturing331523 | — | ◇ UNVERIFIED |
| PKPrecision Kidd Steel CO | Aliquippa | PA | Primary Metal Manufacturing331221 | — | ◇ UNVERIFIED |
| RSRh Sheppard Foundry Bendix Hanover | Hanover | PA | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| STSharon Tube Co/church St Plt | Wheatland | PA | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
 Skyline Steel | Camp Hill | PA | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
 Superior Forge & Steel Corporation (pittsburgh, Pa) | Pittsburgh | PA | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| TTThe Techs - Nextech Plant | Turtle Creek | PA | Primary Metal Manufacturing331221 | — | ◇ UNVERIFIED |
| VCVictaulic Company/alburtis Facility | Alburtis | PA | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
 Webco Industries, INC. - Reno Division | Reno | PA | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| WEWestinghouse Elec CO - Specialty Metals Plant | Blairsville | PA | Primary Metal Manufacturing331491 | — | ◇ UNVERIFIED |
| WSWhemco Steel Castings Inc/west Homestead | Homestead | PA | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| 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 |
| AFAti Flat Rolled Products, LLC | Natrona Heights | PA | Primary Metal Manufacturing331110 | — | ◇ 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 |
| CSClarion Sintered Metals | Ridgway | PA | Primary Metal Manufacturing331221 | — | ◇ UNVERIFIED |
| CMClearfield Mach Co/3rd & Everett Streets | Clearfield | PA | Primary Metal Manufacturing331511 | — | ◇ UNVERIFIED |
| CFCol Fin Specialty Steel Mfg | New Brighton | PA | Primary Metal Manufacturing331221 | — | ◇ UNVERIFIED |
