| HEHydro Extrusion Usa, LLC | Saint Augustine | FL | Primary Metal Manufacturing331314 | — | ◐ LIKELY ACTIVE |
| HEHydro Extrusion Usa, LLC | Elkhart | IN | Primary Metal Manufacturing331316 | — | ◐ LIKELY ACTIVE |
| HEHydro Extrusion Usa, LLC | Mountain Top | PA | Primary Metal Manufacturing331318 | — | ◐ LIKELY ACTIVE |
| HEHydro Extrusion Usa, LLC | Yankton | SD | Primary Metal Manufacturing331314 | — | ◐ LIKELY ACTIVE |
| HEHydro Extrusion Usa, LLC | Phoenix | AZ | Primary Metal Manufacturing331312 | — | ◐ LIKELY ACTIVE |
| ICId Castings LLC | Noblesville | IN | Primary Metal Manufacturing331511 | 20-99 | ◐ LIKELY ACTIVE |
| IRImco Recycling of Michigan, LLC | Coldwater | MI | Primary Metal Manufacturing331314 | — | ◐ LIKELY ACTIVE |
| IAImperial Aluminum - Minerva, LLC | Minerva | OH | Primary Metal Manufacturing331312 | — | ◐ LIKELY ACTIVE |
| ITIndiana Tube CORP | Evansville | IN | Primary Metal Manufacturing331210 | 20-99 | ◐ LIKELY ACTIVE |
| IWInsteel Wire Products | Saint Joseph | MO | Primary Metal Manufacturing331222 | 20-99 | ◐ LIKELY ACTIVE |
| IWInsteel Wire Products | Sanderson | FL | Primary Metal Manufacturing331222 | 20-99 | ◐ LIKELY ACTIVE |
| IWInsteel Wire Products CO | Hickman | KY | Primary Metal Manufacturing331222 | — | ◐ LIKELY ACTIVE |
| IWInsteel Wire Products TNS | Gallatin | TN | Primary Metal Manufacturing331222 | 20-99 | ◐ LIKELY ACTIVE |
| IKIpsco Koppel Tubular CORP Ambridge | Ambridge | PA | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
| ITIpsco Tubulars INC | Blytheville | AR | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
| IIIrwin Industrial Tool Company | East Longmeadow | MA | Primary Metal Manufacturing331222 | 20-99 | ◐ LIKELY ACTIVE |
| ICIsg Columbus Coatings | Columbus | OH | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| IBItw Bedford Wire | Bedford Heights | OH | Primary Metal Manufacturing331222 | — | ◐ LIKELY ACTIVE |
| JTJackson Tube Services INC | Piqua | OH | Primary Metal Manufacturing331210 | 100-499 | ◐ LIKELY ACTIVE |
| JAJewel Acquisition LLC - Louisville | Louisville | OH | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| JHJ.l. Haley Enterprises, INC. | Rancho Cordova | CA | Primary Metal Manufacturing331221 | 20-99 | ◐ LIKELY ACTIVE |
| JMJohnson Matthey Inc/west Whiteland | West Chester | PA | Primary Metal Manufacturing331491 | 100-499 | ◐ LIKELY ACTIVE |
| JWJohnstown Wire Tech/johnstown Wire Plt | Johnstown | PA | Primary Metal Manufacturing331222 | — | ◐ LIKELY ACTIVE |
| JWJr Wheel | Norton | OH | Primary Metal Manufacturing331319 | 100-499 | ◐ LIKELY ACTIVE |
| JAJudson a Smith Co/boyertown | Boyertown | PA | Primary Metal Manufacturing331400 | — | ◐ LIKELY ACTIVE |
| JCJupiter Coil Coating Division | Fairland | IN | Primary Metal Manufacturing331315 | — | ◐ LIKELY ACTIVE |
| JWJ Walter Miller Co/lancaster | Lancaster | PA | Primary Metal Manufacturing331525 | — | ◐ LIKELY ACTIVE |
| KAKaiser Aluminum and Chemical CO | Richland | WA | Primary Metal Manufacturing331316 | — | ◐ LIKELY ACTIVE |
Kaiser Aluminum Fabricated Products | Spokane | WA | Primary Metal Manufacturing331314 | — | ◐ LIKELY ACTIVE |
Kaiser Aluminum Fabricated Products LLC | Richmond | VA | Primary Metal Manufacturing331314 | — | ◐ LIKELY ACTIVE |
| KAKaiser Aluminum Warrick LLC | Newburgh | IN | Primary Metal Manufacturing331313 | 500+ | ◐ LIKELY ACTIVE |
| KMKalas Manufacturing INC Lancaster Plant | Lancaster | PA | Primary Metal Manufacturing331420 | 100-499 | ◐ LIKELY ACTIVE |
| KCKansas Castings | Belle Plaine | KS | Primary Metal Manufacturing331511 | — | ◐ LIKELY ACTIVE |
| KCKawneer Company Incorporated | Springdale | AR | Primary Metal Manufacturing331314 | — | ◐ LIKELY ACTIVE |
| KIKennametal INC | Henderson | NC | Primary Metal Manufacturing331112 | — | ◐ LIKELY ACTIVE |
| KIKennametal INC | Bedford | PA | Primary Metal Manufacturing331513 | — | ◐ LIKELY ACTIVE |
| KUKennecott Utah Copper CORP. Smelter and Refinery | Magna | UT | Primary Metal Manufacturing331410 | — | ◐ LIKELY ACTIVE |
| KSKentucky Smelting Technology INC | Paris | KY | Primary Metal Manufacturing331314 | — | ◐ LIKELY ACTIVE |
| KCKettler Casting CO INC | Belleville | IL | Primary Metal Manufacturing331511 | 20-99 | ◐ LIKELY ACTIVE |
| KCKeymark CORP | Fonda | NY | Primary Metal Manufacturing331314 | — | ◐ LIKELY ACTIVE |
| KFKeystone Foundry Div | Erie | PA | Primary Metal Manufacturing331529 | — | ◐ LIKELY ACTIVE |
| KSKeystone Steel & Wire CO | Peoria | IL | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| KFKirsh Foundry INC | Beaver Dam | WI | Primary Metal Manufacturing331511 | 20-99 | ◐ LIKELY ACTIVE |
| KAKobelco Aluminum Automotive Products | Bowling Green | KY | Primary Metal Manufacturing331521 | 500+ | ◐ LIKELY ACTIVE |
| KAKobelco Aluminum Products & Extrusions INC | Bowling Green | KY | Primary Metal Manufacturing331313 | 100-499 | ◐ LIKELY ACTIVE |
| KMKoken Manufacturing CO INC | Saint Louis | MO | Primary Metal Manufacturing331314 | 20-99 | ◐ LIKELY ACTIVE |
| LCLakeside Casting Solutions | Monroe City | MO | Primary Metal Manufacturing331523 | 20-99 | ◐ LIKELY ACTIVE |
| LCLamothermic CORP | Brewster | NY | Primary Metal Manufacturing331512 | 20-99 | ◐ LIKELY ACTIVE |
| LSLatrobe Spec Steel Sandycreek Svc Ctr | Franklin | PA | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| LBLawrence Brothers INC | Bluefield | VA | Primary Metal Manufacturing331110 | 20-99 | ◐ LIKELY ACTIVE |