| HMHenderson Manufacturing Company | Pittsburg | TX | — | ◇ UNVERIFIED |
| HPHenry Perkins CO the | Bridgewater | MA | — | ◇ UNVERIFIED |
| HDHermel Die Casting | Eau Claire | MI | — | ◇ UNVERIFIED |
| HMHF Manufacturing, LLC | Union | MO | — | ◇ UNVERIFIED |
| HIHummingbirdev INC | Livermore | CA | — | ◇ UNVERIFIED |
| HPHutchinson Products LLC | Alton | IL | — | ◇ UNVERIFIED |
| HDHyatt Die Cast & Engineering C | Sunnyvale | CA | — | ◇ UNVERIFIED |
| HDHyatt Die Cast & Engineering CORP | Garden Grove | CA | — | ◇ UNVERIFIED |
| IAImpact Alloys Foundry | Dallesport | WA | — | ◇ UNVERIFIED |
| ICImperial Casting Company, INC. | Florence | AL | — | ◇ UNVERIFIED |
| IAInferno Art Foundry INC. | Union City | GA | — | ◇ UNVERIFIED |
| IFInland Fndy CO INC | Mead | WA | — | ◇ 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 Die Casting INC | Gardena | CA | — | ◇ UNVERIFIED |
| ICInterstate Castings | Indianapolis | IN | — | ◇ UNVERIFIED |
| IRIron Rod | Los Gatos | CA | — | ◇ UNVERIFIED |
| JCJerry Carroll Machining INC Dba Electrocut-pacific | San Carlos | CA | — | ◇ UNVERIFIED |
| JCJ.E.T. Corporation | Bridgeport | CT | — | ◇ UNVERIFIED |
| JCJ.E.T. Corporation | Bridgeport | CT | — | ◇ UNVERIFIED |
| JSJj Seville LLC | Seville | OH | — | ◇ UNVERIFIED |
| JBJohn Bouchard & Sons (closed) | Nashville | TN | — | ◇ UNVERIFIED |
| JDJohn Deere Foundry - Waterloo Facility | Waterloo | IA | — | ◇ UNVERIFIED |
| JSJohnstown Specialty Casting/johnstown Foundry | Johnstown | PA | — | ◇ UNVERIFIED |
| JLJoseph L. Ertl, INC. Dba Scale Models & Dyersville Die Cast | Farley | IA | — | ◇ UNVERIFIED |
| JRJots Rentals | Longview | TX | — | ◇ UNVERIFIED |
| JCJp Castings INC Dba Specialty Castings | Springport | MI | — | ◇ UNVERIFIED |
| JRJ R Hoe & Sons INC | Middlesboro | KY | — | ◇ UNVERIFIED |
| JRJust Right Manufacturing Inc. | Minneapolis | MN | — | ◇ UNVERIFIED |
| JIJWB Industries, Inc. | Somerset | NJ | — | ◇ UNVERIFIED |
| KHKempf Holdings, LLC | Omaha | NE | — | ◇ UNVERIFIED |
| KAKeys Aluminum | La Mirada | CA | — | ◇ UNVERIFIED |
| KFKits Foundry and Machine, INC. | Shelley | ID | — | ◇ UNVERIFIED |
| KWKmc Wheel CO INC | Riverside | CA | — | ◇ UNVERIFIED |
| KFKnapp Foundry Company INC (1677010014) | Akron | OH | — | ◇ UNVERIFIED |
| KPK P Iron Foundry INC | Fresno | CA | — | ◇ UNVERIFIED |
| KIKramer International INC | Shelby Township | MI | — | ◇ UNVERIFIED |
| KFKulp Foundry INC | Wind Gap | PA | — | ◇ UNVERIFIED |
| LFLagrange Foundry-lagrange | La Grange | MO | — | ◇ UNVERIFIED |
| LDLakeshore Die Cast | Baroda | MI | — | ◇ UNVERIFIED |
| LFLanam Foundry | New Martinsville | WV | — | ◇ UNVERIFIED |
| LMLancaster Malleable /manheim-keller | Lancaster | PA | — | ◇ UNVERIFIED |
| LPLa Porte Technologies LLC | La Porte | IN | — | ◇ UNVERIFIED |
| LFLebaron Foundry INC | Brockton, City of | MA | — | ◇ UNVERIFIED |
| LFLeed Foundry Inc/st Clair | Saint Clair | PA | — | ◇ UNVERIFIED |
| LMLexington Metal System LLC | Mount Sterling | KY | — | ◇ UNVERIFIED |
| LCLiberty Casting Company-kip Moldline (0333010042) | Kenton | OH | — | ◇ UNVERIFIED |
