| IIIlpea Industries Inc/kane | Kane | PA | — | ◇ UNVERIFIED |
| IAImpact Alloys Foundry | Dallesport | WA | — | ◇ UNVERIFIED |
| IGImperial Group-decatur | Decatur | TX | — | ◇ UNVERIFIED |
 Imperial Machine & Tool CO LLC | Wadsworth | OH | — | ◇ UNVERIFIED |
| IPImperial Plastics Manufacturing | North Branch | MI | — | ◇ UNVERIFIED |
| IBIndustrial Brush CORP | Lakeland | FL | — | ◇ UNVERIFIED |
| IPIndustrial Plating & Machine, Inc., Princeton | Princeton | WV | — | ◇ UNVERIFIED |
| ITIndustrial Tooling & Fabrication | Fort Madison | IA | — | ◇ UNVERIFIED |
| ICIntermet Corporation Radford | Radford | VA | — | ◇ UNVERIFIED |
| IDIntermet Decatur Foundry | Decatur | IL | — | ◇ UNVERIFIED |
| IHIntermet Havana Foundry | Havana | IL | — | ◇ UNVERIFIED |
| IIIntermet Ironton Foundry | Ironton | OH | — | ◇ UNVERIFIED |
| IAInternational Agile Manufacturing LLC | Statesboro | GA | — | ◇ UNVERIFIED |
| IDInternational Diamond Services | Houston | TX | — | ◇ UNVERIFIED |
| ISInternational Supply CO | Edelstein | IL | — | ◇ UNVERIFIED |
| ISInterplex Sunbelt INC | Tamarac | FL | — | ◇ UNVERIFIED |
| IFIntex Forms INC | Sacramento | CA | — | ◇ UNVERIFIED |
| ICInvecast Corporation | Warren | MI | — | ◇ UNVERIFIED |
| ILIowa Laser Technology | Cedar Falls | IA | — | ◇ UNVERIFIED |
| IMIron Mountain Machine Company | Iron Mountain | MI | — | ◇ UNVERIFIED |
| IAIroquois Assembly Systems | Warren | MI | — | ◇ UNVERIFIED |
| IFIrwin Fac | Irwin | PA | — | ◇ UNVERIFIED |
| ILIspt LLC | Story City | IA | — | ◇ UNVERIFIED |
| IIItt Industries Procast | Cullman | AL | — | ◇ UNVERIFIED |
| JJabil | Saint Petersburg | FL | — | ◇ UNVERIFIED |
| JCJabil Circuit INC | Fremont | CA | — | ◇ UNVERIFIED |
| JIJabil INC. | Fremont | CA | — | ◇ UNVERIFIED |
| JIJamison Industries INC | Taylor | MI | — | ◇ UNVERIFIED |
| JPJet Pulverizer CO | Moorestown | NJ | — | ◇ UNVERIFIED |
| JHJ H Smith CO INC | Greenfield | MA | — | ◇ UNVERIFIED |
| JMJ&j Machine Inc, J&j Machine | Elk River | MN | — | ◇ UNVERIFIED |
| JKJ Kittredge & Sons INC | Hudson | MA | — | ◇ UNVERIFIED |
| JBJohn Bouchard & Sons (closed) | Nashville | TN | — | ◇ UNVERIFIED |
| JMJohn M Hill Mach CO | Hamburg | PA | — | ◇ UNVERIFIED |
| JJJohnson & Johnston Associates INC | Hampstead | NH | — | ◇ UNVERIFIED |
| JFJohnston Family Enterprise INC | Henderson | KY | — | ◇ UNVERIFIED |
| JSJohnstown Specialty Casting/johnstown Foundry | Johnstown | PA | — | ◇ UNVERIFIED |
| JLJones & Lamson Vermont CORP | Springfield | VT | — | ◇ UNVERIFIED |
| JWJones Welding | Mobile | AL | — | ◇ UNVERIFIED |
| JCJordan & CO LLC | Carlsbad | CA | — | ◇ UNVERIFIED |
| JFJorgensen Forge CORP | Tukwila | WA | — | ◇ UNVERIFIED |
| JMJoslyn Manufacturing CO | Chicago | IL | — | ◇ UNVERIFIED |
| JMJust Manufacturing, LLC (f/k/a Zurn Acquisition, Llc) | Franklin Park | IL | — | ◇ UNVERIFIED |
| KMKayline Mfg | Denver | CO | — | ◇ UNVERIFIED |
| KLKcng, LLC | Cedar Falls | IA | — | ◇ UNVERIFIED |
| KLKcng, LLC | Cedar Falls | IA | — | ◇ UNVERIFIED |
| KLKcng, LLC | Waterloo | IA | — | ◇ UNVERIFIED |
| KDK D Industries INC | Hawthorne | NJ | — | ◇ UNVERIFIED |
| KDKdk Downhole Tooling/orchard Lk Mach | Williamsburg | MI | — | ◇ UNVERIFIED |
| K2Kelly 24 #1 Production Facility | Sugartown | LA | — | ◇ UNVERIFIED |
| KKelpro | Sikeston | MO | — | ◇ UNVERIFIED |
| KCKendon Corporation | Muncie | IN | — | ◇ UNVERIFIED |
| KIKennamental Inc/hempfield Twp | Irwin | PA | — | ◇ UNVERIFIED |
| KIKennametal INC. | Latrobe | PA | — | ◇ UNVERIFIED |
| KIKennametal Inc/colerain Twp Bedford Cast | Bedford | PA | — | ◇ UNVERIFIED |
| KIKenowa Industries | Holland | MI | — | ◇ UNVERIFIED |
| KIKessler Industries | El Paso | TX | — | ◇ UNVERIFIED |
| KGK & G Manufacturing CO | Faribault | MN | — | ◇ UNVERIFIED |
 Kidde Fenwal INC Dba Kidde Fire Fighting | Ranson | WV | — | ◇ UNVERIFIED |
| KSKilroy Structural Steel CO | Cleveland | OH | — | ◇ UNVERIFIED |
| KMKim Manufacturing CO | Downingtown | PA | — | ◇ UNVERIFIED |
| KCKingsbury CORP | Keene | NH | — | ◇ UNVERIFIED |
| KBKingsford Broach & Tool INC | Kingsford | MI | — | ◇ UNVERIFIED |
| KEKitchen Equipment Fabricating Dba Counter Craft | Houston | TX | — | ◇ UNVERIFIED |
| KMKlm Machine, INC | Nokomis | FL | — | ◇ UNVERIFIED |
| KMKloeckner Metals CORP. | Nashville | TN | — | ◇ UNVERIFIED |
| KIKloehn INC | Las Vegas | NV | — | ◇ UNVERIFIED |
| KCKloppenberg & CO | Sheridan | CO | — | ◇ UNVERIFIED |
| KFKme Fire Apparatus | Roanoke | VA | — | ◇ UNVERIFIED |
| KMK M Machine CO | Biscoe | NC | — | ◇ UNVERIFIED |
| KFKnapp Foundry Company INC (1677010014) | Akron | OH | — | ◇ UNVERIFIED |
| KMKnickerbocker Machine Shop INC | Totowa | NJ | — | ◇ UNVERIFIED |
| KMKnick Machining | Bozeman | MT | — | ◇ UNVERIFIED |
| KGKnight Global | Auburn Hills | MI | — | ◇ UNVERIFIED |
| KEKnox Earl E CO | Erie | PA | — | ◇ UNVERIFIED |
| KSKoontz-wagner Services | South Bend | IN | — | ◇ UNVERIFIED |
| KFKory Farm Equipment LLC | Manlius | IL | — | ◇ UNVERIFIED |
| KCKrall Cast INC | City of Industry | CA | — | ◇ UNVERIFIED |
| KRKrh Rolls INC | Orange | MA | — | ◇ UNVERIFIED |
| KMKurt Manufacturing CO - 5800 Main | Fridley | MN | — | ◇ UNVERIFIED |
| LTLakeside Tech Solutions LLC | Monroe City | MO | — | ◇ UNVERIFIED |
| LSLapham-hickey Steel Corporation | Oshkosh | WI | — | ◇ UNVERIFIED |
| LPLa Porte Technologies LLC | La Porte | IN | — | ◇ UNVERIFIED |
| LMLaurel Machine & Foundry Hawkes Plant | Laurel | MS | — | ◇ UNVERIFIED |
| LMLauzon Machine and Engineering | Bennington | VT | — | ◇ UNVERIFIED |
| LMLawruk Machine & Tool CO INC | Altoona | PA | — | ◇ UNVERIFIED |
| LBL & B Products CORP | Hudson | NY | — | ◇ UNVERIFIED |
| LDL & D Industries | Hurt | VA | — | ◇ UNVERIFIED |
| LMLebanon Machine Shop | Lebanon | KY | — | ◇ UNVERIFIED |
| LFLebaron Foundry INC | Brockton, City of | MA | — | ◇ UNVERIFIED |
| LFLeed Foundry Inc/st Clair | Saint Clair | PA | — | ◇ UNVERIFIED |
| LILfm Industries | Houston | TX | — | ◇ UNVERIFIED |
| LMLiddy's Machine Shop, INC | Jacksonville | FL | — | ◇ UNVERIFIED |
| LLightolier | Wilmington | MA | — | ◇ UNVERIFIED |
| LILinamar Indiana Plant 1 | Albion | IN | — | ◇ UNVERIFIED |
 Lippert Components INC. 83 | Elkhart | IN | — | ◇ UNVERIFIED |
| Lippert Components Manufacturing, INC. | White Pigeon | MI | — | ◇ UNVERIFIED |
| LALiquid Asset Disposal INC | Wheeling | WV | — | ◇ UNVERIFIED |
| LMLmi Manufacturing Holdings LLC | Allenton | WI | — | ◇ UNVERIFIED |
| LMLockheed Martin | Akron | OH | — | ◇ UNVERIFIED |
