| 5C56423 - Century Aluminum of Kentucky General Partnership | Hawesville | KY | Primary Metal Manufacturing331312 | — | ◇ UNVERIFIED |
| 5L56440 - Libertas Copper LLC Dba Hussey Copper | Eminence | KY | Primary Metal Manufacturing331421 | — | ◇ UNVERIFIED |
| 5G56743 - Gibbs Die Casting Corporation | Henderson | KY | Primary Metal Manufacturing331521 | — | ◇ UNVERIFIED |
| 5K56847 - Kes Acquisition Company | Summitt | KY | Primary Metal Manufacturing331111 | — | ◇ UNVERIFIED |
| 5G57015 - Gibbs Die Casting Corporation | Henderson | KY | Primary Metal Manufacturing331521 | — | ◇ UNVERIFIED |
| 5T57048 - Trace Die Cast INC | Richardsville | KY | Primary Metal Manufacturing331521 | — | ◇ UNVERIFIED |
| 5A58969 - Aisin Automotive Casting LLC | Tuttle | KY | Primary Metal Manufacturing331521 | — | ◇ UNVERIFIED |
| ASAk Steel Corporation | Ashland | KY | Primary Metal Manufacturing331111 | — | ◇ UNVERIFIED |
| ASAk Steel Corporation | Ashland | KY | Primary Metal Manufacturing331111 | — | ◇ UNVERIFIED |
| AIAleris International, INC. | Lewisport | KY | Primary Metal Manufacturing331315 | — | ◇ UNVERIFIED |
| BCBermag Corporation INC | Hickman | KY | Primary Metal Manufacturing331312 | — | ◇ UNVERIFIED |
 Dameron Alloy Foundries Dba Dafco INC | Louisville | KY | Primary Metal Manufacturing331221 | — | ◇ UNVERIFIED |
| DBDenny Beckner & CO | Manchester | KY | Primary Metal Manufacturing331314 | — | ◇ UNVERIFIED |
| EFEj Franklin, LLC | Franklin | KY | Primary Metal Manufacturing331511 | — | ◇ UNVERIFIED |
| FSFab Steel, INC. | Lexington | KY | Primary Metal Manufacturing331221 | — | ◇ UNVERIFIED |
| HMHarsco Minerals Ky LLC Dba Harsco Metals & Mineral | Ghent | KY | Primary Metal Manufacturing331111 | — | ◇ UNVERIFIED |
| HMHeckett Multiserv | Butler | KY | Primary Metal Manufacturing331492 | — | ◇ UNVERIFIED |
| HWHolland Weights LLC | Dayton | KY | Primary Metal Manufacturing331410 | — | ◇ UNVERIFIED |
| ITIpsco Tubulars (kentucky) INC | Newport | KY | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| KAKentucky Aluminum Processors (kap) - Russellville | Russellville | KY | Primary Metal Manufacturing331314 | — | ◇ UNVERIFIED |
| KRKentucky Roll Forming, LLC | Louisville | KY | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| KHKy Heat Treating | Georgetown | KY | Primary Metal Manufacturing331410 | — | ◇ UNVERIFIED |
| LMLite-n-bolt Manufacturing CO | Leitchfield | KY | Primary Metal Manufacturing331314 | — | ◇ UNVERIFIED |
| MIMagnaflex Industries, INC. | Mount Sterling | KY | Primary Metal Manufacturing331111 | — | ◇ UNVERIFIED |
| NGNovelis Guthrie | Guthrie | KY | Primary Metal Manufacturing331315 | — | ◇ UNVERIFIED |
| PSPlymouth Specialty Manufacturing, LLC | Versailles | KY | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| PMPower Mount INC | Somerset | KY | Primary Metal Manufacturing331492 | — | ◇ UNVERIFIED |
| SSSmelter Service Corporation | Island | KY | Primary Metal Manufacturing331314 | — | ◇ UNVERIFIED |
| SCSouthwire Company Kentucky Plant | Hawesville | KY | Primary Metal Manufacturing331318 | — | ◇ UNVERIFIED |
| SISrs Industries LLC Dba Whitehall Industries | Paducah | KY | Primary Metal Manufacturing331313 | — | ◇ UNVERIFIED |
| SIStein INC of Kentucky | Ashland | KY | Primary Metal Manufacturing331111 | — | ◇ UNVERIFIED |
 Stephens Pipe & Steel LLC. Dba Stephens Pipe & Ste | Russell Springs | KY | Primary Metal Manufacturing331222 | — | ◇ UNVERIFIED |
| SWS & W Recycling | Russellville | KY | Primary Metal Manufacturing331492 | — | ◇ UNVERIFIED |
| TITmk Ipsco Coating Corporation | Wilder | KY | Primary Metal Manufacturing331111 | — | ◇ UNVERIFIED |
