| JEJabil Environmental Technologies - Suite 152 | Memphis | TN | Primary Metal Manufacturing331492 | — | ◇ UNVERIFIED |
| JIJamegy, INC. Dba Al Solutions | Washington | MO | Primary Metal Manufacturing331312 | — | ◇ UNVERIFIED |
| JJJames Jones CO | El Monte | CA | Primary Metal Manufacturing331525 | — | ◇ UNVERIFIED |
| JSJames Steel and Tube | Madison Heights | MI | Primary Metal Manufacturing331111 | — | ◇ UNVERIFIED |
| JBJ & B Enterprises | Santa Clara | CA | Primary Metal Manufacturing331419 | — | ◇ UNVERIFIED |
| JYJesse Yard Ii | Tacoma | WA | Primary Metal Manufacturing331528 | — | ◇ UNVERIFIED |
| JLJ L French | Grandville | MI | Primary Metal Manufacturing331521 | — | ◇ UNVERIFIED |
| JSJ&l Structural Aliquippa Div | Aliquippa | PA | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| JIJmc (usa), INC. - Rtp Facility | Durham | NC | Primary Metal Manufacturing331112 | — | ◇ UNVERIFIED |
| JPJms Property Improvements | Armorel | AR | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| JBJohn Bouchard & Sons (closed) | Nashville | TN | Primary Metal Manufacturing331511 | — | ◇ UNVERIFIED |
| JMJohn Maneely Co-wheatland Tube Div-lr Pl | Little Rock | AR | Primary Metal Manufacturing331111 | — | ◇ UNVERIFIED |
| JMJohn Maneely CO Wheatland Tube Div - Mill Street | Sharon | PA | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| JSJohnstown Specialty Casting/johnstown Foundry | Johnstown | PA | Primary Metal Manufacturing331511 | — | ◇ UNVERIFIED |
| JPJoliet Public Scrap Metal Recycling Yard | Joliet | IL | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| JDJoyner's Die Casting & Plating INC | Brooklyn Park | MN | Primary Metal Manufacturing331522 | — | ◇ UNVERIFIED |
| JTJp Technology INC. | Logan Twp | NJ | Primary Metal Manufacturing331410 | — | ◇ UNVERIFIED |
| KSKarl Schmidt Unisia INC | South Haven | MI | Primary Metal Manufacturing331524 | — | ◇ UNVERIFIED |
| KSKatelman Steel Fabrication INC | Council Bluffs | IA | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| KSKearny Smelting & Refining CORP | Kearny | NJ | Primary Metal Manufacturing331419 | — | ◇ UNVERIFIED |
| KMKelley Metals CORP | East Providence | RI | Primary Metal Manufacturing331492 | — | ◇ UNVERIFIED |
| KFKenalloy Foundry Mfg CO INC | Montgomery City | MO | Primary Metal Manufacturing331523 | — | ◇ UNVERIFIED |
| KCKendon Corporation | Muncie | IN | Primary Metal Manufacturing331511 | — | ◇ UNVERIFIED |
| KIKennametal Inc/colerain Twp Bedford Cast | Bedford | PA | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| KIKennametal INC - Kingston Plant | Latrobe | PA | Primary Metal Manufacturing331491 | — | ◇ UNVERIFIED |
| KKennametal-town | Fallon | NV | Primary Metal Manufacturing331410 | — | ◇ UNVERIFIED |
| KBKennecott Barneys Canyon Mining CO | Bingham Canyon | UT | Primary Metal Manufacturing331411 | — | ◇ UNVERIFIED |
| KUKennecott Utah Copper LLC | South Jordan | UT | Primary Metal Manufacturing331410 | — | ◇ UNVERIFIED |
| KCKentucky Chrome Works LLC | Horse Cave | KY | Primary Metal Manufacturing331522 | — | ◇ UNVERIFIED |
| KPKenwal Pickling, LLC | Dearborn | MI | Primary Metal Manufacturing331221 | — | ◇ UNVERIFIED |
| KDKenwalt Die Casting CO | Sun Valley | CA | Primary Metal Manufacturing331521 | — | ◇ UNVERIFIED |
| KRKerebe Recycling Company | Monett | MO | Primary Metal Manufacturing331314 | — | ◇ UNVERIFIED |
| KNKeweenaw National Historical Park Advisory Commission | Hancock | MI | Primary Metal Manufacturing331410 | — | ◇ UNVERIFIED |
| KBKeystone Bar Products INC | Chicago Heights | IL | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| KRKeystone Resources | Mars | PA | Primary Metal Manufacturing331000 | — | ◇ UNVERIFIED |
| KSKeystone Seneca Wire Cloth Company | Brookhaven | MS | Primary Metal Manufacturing331319 | — | ◇ UNVERIFIED |
| KLKeywell LLC | Chicago | IL | Primary Metal Manufacturing331314 | — | ◇ UNVERIFIED |
| KFKidde Fire Fighting | Ranson | WV | Primary Metal Manufacturing331525 | — | ◇ UNVERIFIED |
| KSKilroy Structural Steel CO | Cleveland | OH | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| KEKimball Electronices Group Auburn | Auburn | IN | Primary Metal Manufacturing331314 | — | ◇ UNVERIFIED |
| KCKindt-collins CO | Cleveland | OH | Primary Metal Manufacturing331521 | — | ◇ UNVERIFIED |
| KSKing Steel Corporation | Norfolk | NE | Primary Metal Manufacturing331221 | — | ◇ UNVERIFIED |
| KEKirk Eastern | Gardner | MA | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| KIK&k Iron Works | Mccook | IL | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| KCKloppenberg & CO | Sheridan | CO | Primary Metal Manufacturing331222 | — | ◇ UNVERIFIED |
| KFKnapp Foundry Company INC (1677010014) | Akron | OH | Primary Metal Manufacturing331511 | — | ◇ UNVERIFIED |
| KKnickerbocker | Carlstadt | NJ | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| KAKob Auto INC | Menlo Park | CA | Primary Metal Manufacturing331419 | — | ◇ UNVERIFIED |
 Koehler Bright Star/hanover Twp | Wilkes Barre | PA | Primary Metal Manufacturing331421 | — | ◇ UNVERIFIED |
| KAKoenig and Vitts Mirro Plnt 5 | Manitowoc | WI | Primary Metal Manufacturing331314 | — | ◇ UNVERIFIED |
