| MBMueller Brass CO | Belding | MI | — | ◇ UNVERIFIED |
| NINanosd INC Energy Nanotechnology R&d | San Diego | CA | — | ◇ UNVERIFIED |
| NANanshan America Advanced Aluminum Technologies | Lafayette | IN | — | ◇ UNVERIFIED |
| NCNashtec Corpus Christi Plant | Gregory | TX | — | ◇ UNVERIFIED |
| NCNational Copper & Smelting | Huntsville | AL | — | ◇ UNVERIFIED |
| NWNational Wire & Cable CORP | Los Angeles | CA | — | ◇ UNVERIFIED |
| NLNavitus LLC | Bellefonte | PA | — | ◇ UNVERIFIED |
| NUNemak USA INC. - Gateway | Sheboygan | WI | — | ◇ UNVERIFIED |
| NENew England Lead Burning Co, INC | San Leandro | CA | — | ◇ UNVERIFIED |
| NMNewton Mcdonald County Landfill | Neosho | MO | — | ◇ UNVERIFIED |
| NMNexans Magnet Wire USA Incorporated | Mexico | MO | — | ◇ UNVERIFIED |
| NBNovelis Bay Minette Operating Site | Bay Minette | AL | — | ◇ UNVERIFIED |
| NMNull's Machine & Mfg., Inc., Huntington | Huntington | WV | — | ◇ UNVERIFIED |
| NTNvent Thermal LLC | Redwood City | CA | — | ◇ UNVERIFIED |
| OIOgs/cascade INC | Salem | OR | — | ◇ UNVERIFIED |
| OVOhio Valley Aluminum | Shelbyville | KY | — | ◇ UNVERIFIED |
| OVOhio Valley Aluminum C LLC Niles Facilit | Niles | OH | — | ◇ UNVERIFIED |
| OVOhio Valley Aluminum CO. LLC | Boonville | IN | — | ◇ UNVERIFIED |
| OIOk Iron and Metal / Metal Reclamation Faclty | Ardmore | OK | — | ◇ UNVERIFIED |
| OCOld Castle Building Envelope | Bloomsburg | PA | — | ◇ UNVERIFIED |
| OWOmega Wire INC Santa Teresa Plant | Santa Teresa | NM | — | ◇ UNVERIFIED |
| OEOntario Extrusions, INC. | Ontario | CA | — | ◇ UNVERIFIED |
| OCOutokumpu Copper Franklin | Franklin | KY | — | ◇ UNVERIFIED |
| OHOwls Head Alloys | West Point | MS | — | ◇ UNVERIFIED |
| PMPacer Marine | Sarasota | FL | — | ◇ UNVERIFIED |
| PPPacific Power Vac - Portland Facility | Portland | OR | — | ◇ UNVERIFIED |
| PSPacific Steel & Recycling | Mills | WY | — | ◇ UNVERIFIED |
| PIPanther Ideal Holdings, LLC | St. Augustine | FL | — | ◇ UNVERIFIED |
| PEParamount Extrusions CO. | Paramount | CA | — | ◇ UNVERIFIED |
| PAPenn Aluminum Industries | Murphysboro | IL | — | ◇ UNVERIFIED |
| PSPerimeter Solutions LP | Mcclellan | CA | — | ◇ UNVERIFIED |
| PDPhelps Dodge Magnet Wire | El Paso | TX | — | ◇ UNVERIFIED |
| PDPhelps Dodge Magnet Wire CO | Laurinburg | NC | — | ◇ UNVERIFIED |
| PIPhibro-tech, INC. | Buttonwillow | CA | — | ◇ UNVERIFIED |
| PIPilot Industries INC | Manchester | MI | — | ◇ UNVERIFIED |
| PWPimalco (a Wholly-owned Subsidiary of Alcoa) | Chandler | AZ | — | ◇ UNVERIFIED |
| PEPowerhouse Entertainment LLC | North Hollywood | CA | — | ◇ UNVERIFIED |
| PTPrecision Tube CO LLC | Lansdale | PA | — | ◇ UNVERIFIED |
| PTPrecision Tube CO / North Wales | North Wales | PA | — | ◇ UNVERIFIED |
| PDProcesadora De Metales INC. | Dorado | PR | — | ◇ UNVERIFIED |
 Profile Extrusion CO INC | Coldwater | MI | — | ◇ UNVERIFIED |
| PWPro Windows and Doors MFG Inc | Luquillo | PR | — | ◇ UNVERIFIED |
| PIPSI Industries, Inc. | Irving | TX | — | ◇ UNVERIFIED |
| QAQuaker Alloy Inc/myerstown | Myerstown | PA | — | ◇ UNVERIFIED |
| QIQualchem INC. | Unincorporated Jeffco | CO | — | ◇ UNVERIFIED |
| QIQualitek International INC | Addison | IL | — | ◇ UNVERIFIED |
| QAQuandt Auto Salvage | Carroll | IA | — | ◇ UNVERIFIED |
| RSRalph Scrap Metals LLC | Augusta | AR | — | ◇ UNVERIFIED |
| RIRasirc INC | San Diego | CA | — | ◇ UNVERIFIED |
| RAReal Alloy Recycling, INC. | Houston | TX | — | ◇ UNVERIFIED |
