| PRPerpetua Resources Idaho INC | Boise | ID | Primary Metal Manufacturing331410 | — | ◐ LIKELY ACTIVE |
| PDPhelps Dodge Refining Corporation | El Paso | TX | Primary Metal Manufacturing331410 | 100-499 | ◐ LIKELY ACTIVE |
 Phoenix Tailings Burlington | Burlington | MA | Primary Metal Manufacturing331410 | 20-99 | ◐ LIKELY ACTIVE |
| PRPotomac Resources INC | Washington | DC | Primary Metal Manufacturing331410 | — | ◐ LIKELY ACTIVE |
| SISadoway Incorporated | Jamestown | RI | Primary Metal Manufacturing331410 | — | ◐ LIKELY ACTIVE |
| SMStillwater Mining Company Base Metals Smelter | Columbus | MT | Primary Metal Manufacturing331410 | 20-99 | ◐ LIKELY ACTIVE |
| SPStrategic Pursuits LLC | Coeur D Alene | ID | Primary Metal Manufacturing331410 | — | ◐ LIKELY ACTIVE |
| TMTmp Metals Group, LTD. | Pittsburgh | PA | Primary Metal Manufacturing331410 | — | ◐ LIKELY ACTIVE |
| UMUS Magnesium LLC | Salt Lake City | UT | Primary Metal Manufacturing331410 | 20-99 | ◐ LIKELY ACTIVE |
| AAAlaska Antimony Corporation | Washington | DC | Primary Metal Manufacturing331410 | — | ◐ LIKELY ACTIVE |
| RTRevex Technologies, INC. | Houghton | MI | Primary Metal Manufacturing331410 | — | ◐ LIKELY ACTIVE |
| BDBull Dog Machine , INC | Vallejo | CA | Primary Metal Manufacturing331410 | — | ◇ UNVERIFIED |
| IIIron-works International, INC. | Atlanta | GA | Primary Metal Manufacturing331410 | — | ◇ UNVERIFIED |
| AMAbington Metals Refining & Mfg INC | Philadelphia | PA | Primary Metal Manufacturing331410 | — | ◇ UNVERIFIED |
| ACAcademy Corporation | Palatine | IL | Primary Metal Manufacturing331410 | — | ◇ UNVERIFIED |
| AIAlmanon INC | Santa Ana | CA | Primary Metal Manufacturing331410 | — | ◇ UNVERIFIED |
| AZAmerican Zinc Recycling LLC | Pittsburgh | PA | Primary Metal Manufacturing331410 | — | ◇ UNVERIFIED |
| ATAmg Titanium 315 Green Ridge Rd Fac | New Castle | PA | Primary Metal Manufacturing331410 | — | ◇ UNVERIFIED |
| AUAntron Uf Copper LLC | Dade City | FL | Primary Metal Manufacturing331410 | — | ◇ UNVERIFIED |
| ACApex Conveyor Systems INC | Murrieta | CA | Primary Metal Manufacturing331410 | — | ◇ UNVERIFIED |
| AGAp Global Management LLC | Bayside | NY | Primary Metal Manufacturing331410 | — | ◇ UNVERIFIED |
| ARAsahi Refining Florida, LLC | Opa Locka | FL | Primary Metal Manufacturing331410 | — | ◇ UNVERIFIED |
| ABAtlantic Bait & Tackle | Virginia Beach | VA | Primary Metal Manufacturing331410 | — | ◇ UNVERIFIED |
| APAtlas Pacific Corporation | Bloomington | CA | Primary Metal Manufacturing331410 | — | ◇ UNVERIFIED |
| BGBarberis Gems, INC | Miami | FL | Primary Metal Manufacturing331410 | — | ◇ UNVERIFIED |
| BMBasic Metals | Wiley Ford | WV | Primary Metal Manufacturing331410 | — | ◇ UNVERIFIED |
| BBBlack Briar Investments, LLC | North East | MD | Primary Metal Manufacturing331410 | — | ◇ UNVERIFIED |
| BBBlack Briar Investments, LLC | New Castle | DE | Primary Metal Manufacturing331410 | — | ◇ UNVERIFIED |
| BIBoeker Industries INC. | Corpus Christi | TX | Primary Metal Manufacturing331410 | — | ◇ UNVERIFIED |
| CNCallaghan & Nelson | Wells | NV | Primary Metal Manufacturing331410 | — | ◇ UNVERIFIED |
| CMContact Mining Company | Philipsburg | MT | Primary Metal Manufacturing331410 | — | ◇ UNVERIFIED |
| CCCorpus Christi Alloys & Manufacturing INC. | Corpus Christi | TX | Primary Metal Manufacturing331410 | — | ◇ UNVERIFIED |
| CSCulver Smelter | Culver | KS | Primary Metal Manufacturing331410 | — | ◇ UNVERIFIED |
| EEfinea | Los Alamitos | CA | Primary Metal Manufacturing331410 | — | ◇ UNVERIFIED |
| FGFlorida Gold Refiners, INC. | Jacksonville | FL | Primary Metal Manufacturing331410 | — | ◇ UNVERIFIED |
| FIFort Iron & Metal Company | Detroit | MI | Primary Metal Manufacturing331410 | — | ◇ UNVERIFIED |
| GMGfi Metal Treating INC | Rockford | IL | Primary Metal Manufacturing331410 | — | ◇ UNVERIFIED |
| GAGlobal Advanced Metals | Gilbertsville | PA | Primary Metal Manufacturing331410 | — | ◇ UNVERIFIED |
| GIGoldtech, INC. | San Jose | CA | Primary Metal Manufacturing331410 | — | ◇ UNVERIFIED |
| GIGrede Ii LLC Marion | Marion | AL | Primary Metal Manufacturing331410 | — | ◇ UNVERIFIED |
| HHHandy & Hartman LTD. | White Plains | NY | Primary Metal Manufacturing331410 | — | ◇ UNVERIFIED |
| HPHardware Parts Corporation | Boca Raton | FL | Primary Metal Manufacturing331410 | — | ◇ UNVERIFIED |
| HSHidalgo Smelter | Hachita | NM | Primary Metal Manufacturing331410 | — | ◇ UNVERIFIED |
| HWHolland Weights LLC | Dayton | KY | Primary Metal Manufacturing331410 | — | ◇ UNVERIFIED |
| IIInaweld INC. | Hialeah | FL | Primary Metal Manufacturing331410 | — | ◇ UNVERIFIED |
| IRInnovative Response Technoligies | Fairmont | WV | Primary Metal Manufacturing331410 | — | ◇ UNVERIFIED |
| JGJJLP Group LLC | Akron | OH | Primary Metal Manufacturing331410 | — | ◇ UNVERIFIED |
| JMJj Metal Services | Opa Locka | FL | Primary Metal Manufacturing331410 | — | ◇ UNVERIFIED |
| JLJohn Lee | Sacramento | CA | Primary Metal Manufacturing331410 | — | ◇ UNVERIFIED |
| KUKennecott Utah Copper Smelter | Magna | UT | Primary Metal Manufacturing331410 | — | ◇ UNVERIFIED |
