| MLMatalco LLC - Bluffton | Bluffton | IN | — | ◇ UNVERIFIED |
| MUMatalco USA LLC | Canton | OH | — | ◇ UNVERIFIED |
| MUMatalco Usa, LLC | Lordstown | OH | — | ◇ UNVERIFIED |
| MSMaterial Sampling Technologies | North Smithfield | RI | — | ◇ UNVERIFIED |
| MAMaterion Advanced Materials Technologies & Services Mesa D | Albuquerque | NM | — | ◇ UNVERIFIED |
| MBMaterion Brush INC | Shoemakersville | PA | — | ◇ UNVERIFIED |
| MRMetallic Resources INC | Twinsburg | OH | — | ◇ UNVERIFIED |
| MRMetallix Refining INC. Lab | Greenville | NC | — | ◇ UNVERIFIED |
Metalor Technologies USA | Attleboro | MA | — | ◇ UNVERIFIED |
| MIMetalsamerica INC | Shelby | NC | — | ◇ UNVERIFIED |
| MBMiba Bearings US LLC | Mcconnelsville | OH | — | ◇ UNVERIFIED |
| MMMicromax Microcircuits Industries LTD | Manati | PR | — | ◇ UNVERIFIED |
| MSMissouri Smelting Technology INC | Jackson | TN | — | ◇ UNVERIFIED |
| NGNemak Gateway Plant | Sheboygan | WI | — | ◇ UNVERIFIED |
| NGNemak Glasgow Plant #1 | Glasgow | KY | — | ◇ UNVERIFIED |
| NRNevada Refinery of Kennametal INC | Fallon | NV | — | ◇ UNVERIFIED |
| NTNew Technology Steel | Erie | MI | — | ◇ UNVERIFIED |
| NRNiagara Refining LLC | Depew | NY | — | ◇ UNVERIFIED |
| NMNonferrous Metals INC | Seattle | WA | — | ◇ UNVERIFIED |
| NCNorris Cylinder CO | Huntsville | AL | — | ◇ UNVERIFIED |
| NANovelis Alr Recycling of Ohio LLC | Uhrichsville | OH | — | ◇ UNVERIFIED |
| NCNovelis CORP - Greensboro Facility | Greensboro | GA | — | ◇ UNVERIFIED |
| NDNovelis Davenport Casting | Davenport | IA | — | ◇ UNVERIFIED |
| OTOrgo Thermit INC | Manchester Twp | NJ | — | ◇ UNVERIFIED |
| OCOwens Corning Insulating Systems LLC | Duncan | SC | — | ◇ UNVERIFIED |
| OHOwls Head Alloys INC | Bowling Green | KY | — | ◇ UNVERIFIED |
| PCPease & Curren INC | Warwick | RI | — | ◇ UNVERIFIED |
| PSPraxair Surface Technologies | Orangeburg | NY | — | ◇ UNVERIFIED |
| PCPt Central Machine and Tool Company | Enid | OK | — | ◇ UNVERIFIED |
| RAReal Alloy Recycling LLC | Chicago Heights | IL | — | ◇ UNVERIFIED |
| RAReal Alloy Recycling, LLC | Coldwater | MI | — | ◇ UNVERIFIED |
| RAReal Alloy Specialty Products LLC | Elyria | OH | — | ◇ UNVERIFIED |
| RSRevere Smelting & Refining CORP | Middletown | NY | — | ◇ UNVERIFIED |
| RMRitchey Metals CO Inc/hendersonville Plt | Canonsburg | PA | — | ◇ UNVERIFIED |
| RTRmi Titanium CO LLC - Canton Ingot Operations | Canton | OH | — | ◇ UNVERIFIED |
| RSRochester Silver Works LLC | Rochester | NY | — | ◇ UNVERIFIED |
| SASa Alloys | Columbia | PA | — | ◇ UNVERIFIED |
| SMSabin Metal West CORP | Williston | ND | — | ◇ UNVERIFIED |
| SESapa Extrusions LLC - Delhi Facility | Delhi | LA | — | ◇ UNVERIFIED |
| SESapa Extrusions the Dalles Cast House | The Dalles | OR | — | ◇ UNVERIFIED |
| SIScepter INC | Bicknell | IN | — | ◇ UNVERIFIED |
| SIScepter INC - Corporate Headquarters | Waverly | TN | — | ◇ UNVERIFIED |
| SMSchuylkill Metals Division of Exide CORP | Forest City | MO | — | ◇ UNVERIFIED |
| SLSdi Lafarga LLC - Copperworks Facility | New Haven | IN | — | ◇ UNVERIFIED |
| SASignature Alum INC - Greenville Facility | Greenville | PA | — | ◇ UNVERIFIED |
| SPSmc Precious Metals Smelter & Base Metal Refy | Columbus | MT | — | ◇ UNVERIFIED |
| SSSmelter Service CORP | Mount Pleasant | TN | — | ◇ UNVERIFIED |
| SMSpecial Metals | Princeton | KY | — | ◇ UNVERIFIED |
| TOTci of Alabama LLC | Pell City | AL | — | ◇ UNVERIFIED |
| TTTci Texarkana, INC | Texarkana | TX | — | ◇ UNVERIFIED |
| TDThe Doe Run Company Buick Resource Recycling Facility | Boss | MO | — | ◇ UNVERIFIED |
| TSThe Strelitz CO INC - California Metal X | Los Angeles | CA | — | ◇ UNVERIFIED |
| TATifton Aluminum CO INC | Tifton | GA | — | ◇ UNVERIFIED |
| TTTin Technology & Refining | West Chester | PA | — | ◇ UNVERIFIED |
| TMTitanium Metals CORP Dba Timet | Morgantown | PA | — | ◇ UNVERIFIED |
| TMTri-arrows Metal Exchange Corporation | Madisonville | KY | — | ◇ UNVERIFIED |
| TITrucast INC | Newberry | SC | — | ◇ UNVERIFIED |
| UPUnited Precious Metal Refining | Alden | NY | — | ◇ UNVERIFIED |
| UZUS Zinc Houston Dust Plant | Houston | TX | — | ◇ UNVERIFIED |
| UZUS Zinc - Metal | Houston | TX | — | ◇ UNVERIFIED |
| WAWise Alloys, LLC - Alabama Reclamation Plant | Muscle Shoals | AL | — | ◇ UNVERIFIED |
| YIYoder Industries INC | Dayton | OH | — | ◇ UNVERIFIED |
| YIYoder Industries INC | Dayton | OH | — | ◇ UNVERIFIED |
| ALAlumicore LLC | Monessen | PA | 20–99 | ◐ LIKELY ACTIVE |
| ASAmlon Sweetwater | Sweetwater | TN | 1–19 | ◐ LIKELY ACTIVE |
| AMArkansas Magnesium LLC | Stamps | AR | — | ◐ LIKELY ACTIVE |
| AAATI - Albany Operations 34th Ave | Albany | OR | 100–499 | ◐ LIKELY ACTIVE |
| AMATI - Millersburg Operations | Albany | OR | 500+ | ◐ LIKELY ACTIVE |
| ARATI - Richland Operation | Richland | WA | 100–499 | ◐ LIKELY ACTIVE |
ATI Specialty Materials - Bakers North | Monroe | NC | 100–499 | ◐ LIKELY ACTIVE |
ATI Specialty Materials - Bakers Powder | Monroe | NC | 20–99 | ◐ LIKELY ACTIVE |
ATI Specialty Materials - East | Monroe | NC | 20–99 | ◐ LIKELY ACTIVE |
ATI Specialty Materials - Monroe R & D | Monroe | NC | 20–99 | ◐ LIKELY ACTIVE |
ATI Specialty Materials - Oakdale | Oakdale | PA | 20–99 | ◐ LIKELY ACTIVE |
| AMAudubon Metals | Corsicana | TX | 20–99 | ◐ LIKELY ACTIVE |
| AGAviary Group America Incorporated | Crestwood | KY | — | ◐ LIKELY ACTIVE |
| BCBasf Catalysts, LLC | Caldwell | TX | 1–19 | ◐ LIKELY ACTIVE |
| BMBASF Metals Converse | Spartanburg | SC | 20–99 | ◐ LIKELY ACTIVE |
| BMBasf Metals LLC | Iselin | NJ | — | ◐ LIKELY ACTIVE |
| BCBefesa Chicago | Chicago | IL | 20–99 | ◐ LIKELY ACTIVE |
| BZBefesa Zinc US Inc. Palmerton | Palmerton | PA | 20–99 | ◐ LIKELY ACTIVE |
| BGBlack Growth and Development LLC | Katy | TX | — | ◐ LIKELY ACTIVE |
| BCBlueshift Carbon, INC. | Somerville | MA | — | ◐ LIKELY ACTIVE |
| CMCelanese Microcircuits Industries, LTD | Manati | PR | 100–499 | ◐ LIKELY ACTIVE |
| CSCronimet Specialty Metals Wheatland | Wheatland | PA | 20–99 | ◐ LIKELY ACTIVE |
| DIDuranium INC. | Alameda | CA | — | ◐ LIKELY ACTIVE |
| EAECKART America - Louisville | Louisville | KY | 20–99 | ◐ LIKELY ACTIVE |
| EGElemental Genesis Technologies INC | Morgantown | WV | — | ◐ LIKELY ACTIVE |
Elmet Technologies | Coldwater, MI | MI | 100–499 | ◐ LIKELY ACTIVE |
| ETEnviroFocus Technologies LLC, DBA Gopher Resource | Tampa | FL | 100–499 | ◐ LIKELY ACTIVE |
| ECEverZinc Clarksville TN | Clarksville | TN | 20–99 | ◐ LIKELY ACTIVE |
| EHEverzinc Houston Metal Plant | Houston | TX | 20–99 | ◐ LIKELY ACTIVE |
| EHEverzinc Houston Powder Plant | Houston | TX | 20–99 | ◐ LIKELY ACTIVE |
| FFallon | Fallon | NV | 20–99 | ◐ LIKELY ACTIVE |
| FSFlorence SC RC | Florence | SC | 1–19 | ◐ LIKELY ACTIVE |
| FIFusion, Incorporated - Plant 2 | Willoughby | OH | 20–99 | ◐ LIKELY ACTIVE |
| GIGathol Industries | Las Vegas | NV | — | ◐ LIKELY ACTIVE |
| GFGeneral Flash CORP | Lexington | MA | — | ◐ LIKELY ACTIVE |
| HHenderson | Henderson | NC | 20–99 | ◐ LIKELY ACTIVE |
| HHometown | Tamaqua | PA | 20–99 | ◐ LIKELY ACTIVE |