| ASAccurate Specialties INC | Waukesha | WI | Primary Metal Manufacturing331511 | 20-99 | ◐ LIKELY ACTIVE |
| ACAlliant Castings | Winona | MN | Primary Metal Manufacturing331511 | 20-99 | ◐ LIKELY ACTIVE |
| ABAnchor Brake Shoe CO | West Chicago | IL | Primary Metal Manufacturing331511 | 20-99 | ◐ LIKELY ACTIVE |
| BVBeaver Valley Alloy Foundry CO | Monaca | PA | Primary Metal Manufacturing331511 | 20-99 | ◐ LIKELY ACTIVE |
| CFCalhoun Fndy CO INC | Homer | MI | Primary Metal Manufacturing331511 | 20-99 | ◐ LIKELY ACTIVE |
| CLC L Dews and Sons Foundry and Machinery Company INC | Hattiesburg | MS | Primary Metal Manufacturing331511 | 20-99 | ◐ LIKELY ACTIVE |
| CCCullman Casting Corporation | Cullman | AL | Primary Metal Manufacturing331511 | 20-99 | ◐ LIKELY ACTIVE |
| DPDe Pere Foundry INC | De Pere | WI | Primary Metal Manufacturing331510 | 20-99 | ◐ LIKELY ACTIVE |
| DIDualtech Incorporated | Franklin | IN | Primary Metal Manufacturing331511 | 20-99 | ◐ LIKELY ACTIVE |
| EFEagle Foundry | Eagle Creek | OR | Primary Metal Manufacturing331511 | 20-99 | ◐ LIKELY ACTIVE |
| ICId Castings of Illinois LLC | Martinsville | IL | Primary Metal Manufacturing331511 | 20-99 | ◐ LIKELY ACTIVE |
| KFKent Foundry CO. | Greenville | MI | Primary Metal Manufacturing331511 | 20-99 | ◐ LIKELY ACTIVE |
| LILufkin Industries INC | Lufkin | TX | Primary Metal Manufacturing331511 | 20-99 | ◐ LIKELY ACTIVE |
Midwest Metal Products INC | Winona | MN | Primary Metal Manufacturing331511 | 20-99 | ◐ LIKELY ACTIVE |
| PFProgressive Foundry INC | Perry | IA | Primary Metal Manufacturing331511 | 20-99 | ◐ LIKELY ACTIVE |
| SISancast INC | Coshocton | OH | Primary Metal Manufacturing331511 | 20-99 | ◐ LIKELY ACTIVE |
| SFSeneca Foundry INC | Webster City | IA | Primary Metal Manufacturing331511 | 20-99 | ◐ LIKELY ACTIVE |
| TCTorrance Casting INC | La Crosse | WI | Primary Metal Manufacturing331510 | 20-99 | ◐ LIKELY ACTIVE |
| TLTri-cast LTD | Akron | OH | Primary Metal Manufacturing331313 | 20-99 | ◐ LIKELY ACTIVE |
| TUTyler Union - Oxford LLC | Anniston | AL | Primary Metal Manufacturing331511 | 20-99 | ◐ LIKELY ACTIVE |
| 9B96437 - Badger Foundry Company | Winona | MN | Primary Metal Manufacturing331511 | 20-99 | ◐ LIKELY ACTIVE |
| CGChas G Allen CO INC | Barre | MA | Primary Metal Manufacturing331511 | 20-99 | ◐ LIKELY ACTIVE |
| CCCullman Casting Corporation | Cullman | AL | Primary Metal Manufacturing331511 | 20-99 | ◐ LIKELY ACTIVE |
| CFCumberland Foundry Co., INC. | Cumberland | RI | Primary Metal Manufacturing331110 | 20-99 | ◐ LIKELY ACTIVE |
| FFFountain Foundry | Veedersburg | IN | Primary Metal Manufacturing331511 | 20-99 | ◐ LIKELY ACTIVE |
| ICId Castings LLC | Noblesville | IN | Primary Metal Manufacturing331511 | 20-99 | ◐ LIKELY ACTIVE |
| KCKettler Casting CO INC | Belleville | IL | Primary Metal Manufacturing331511 | 20-99 | ◐ LIKELY ACTIVE |
| KFKirsh Foundry INC | Beaver Dam | WI | Primary Metal Manufacturing331511 | 20-99 | ◐ LIKELY ACTIVE |
| MSMartin Sprocket & Gear INC | Dallas | TX | Primary Metal Manufacturing331511 | 20-99 | ◐ LIKELY ACTIVE |
| MFMid-City Foundry Co. - Milwaukee Division | Milwaukee | WI | Primary Metal Manufacturing331510 | 20-99 | ◐ LIKELY ACTIVE |
| MFMid-city Foundry CORP - United Div | Grafton | WI | Primary Metal Manufacturing331510 | 20-99 | ◐ LIKELY ACTIVE |
| PFPlymouth Foundry Incorporated | Plymouth | IN | Primary Metal Manufacturing331511 | 20-99 | ◐ LIKELY ACTIVE |
| TFTaylor & Fenn CO | Windsor | CT | Primary Metal Manufacturing331511 | 20-99 | ◐ LIKELY ACTIVE |
| TFTaylor Foundry | Wichita Falls | TX | Primary Metal Manufacturing331511 | 20-99 | ◐ LIKELY ACTIVE |
| TFTexaloy Foundry | Floresville | TX | Primary Metal Manufacturing331511 | 20-99 | ◐ LIKELY ACTIVE |
| HHorizon | Nephi | UT | Primary Metal Manufacturing331511 | 20-99 | ◐ LIKELY ACTIVE |
| BCBct Cast Products LLC | West Allis | WI | Primary Metal Manufacturing331511 | 20-99 | ◐ LIKELY ACTIVE |
| BFBoyertown Foundry Company | New Berlinville | PA | Primary Metal Manufacturing331511 | 20-99 | ◐ LIKELY ACTIVE |
| CBClay & Bailey Mfg Company | Kansas City | MO | Primary Metal Manufacturing331511 | 20-99 | ◐ LIKELY ACTIVE |
| HFHodge Foundry | Greenville | PA | Primary Metal Manufacturing331511 | 20-99 | ◐ LIKELY ACTIVE |
| MMMidwest Manufacturing & Logistics LLC | Minster | OH | Primary Metal Manufacturing331511 | 20-99 | ◐ LIKELY ACTIVE |
| PCPenn-Mar Castings LLC | Hanover | PA | Primary Metal Manufacturing331511 | 20-99 | ◐ LIKELY ACTIVE |
| PCPremier Casting Services, INC. | Waterloo | IA | Primary Metal Manufacturing331511 | 20-99 | ◐ LIKELY ACTIVE |
| PRPuerto Rico Steel Products CORP | Coto Laurel | PR | Primary Metal Manufacturing331222 | 20-99 | ◐ LIKELY ACTIVE |
| SFStateline Foundries Inc | Roscoe | IL | Primary Metal Manufacturing331511 | 20-99 | ◐ LIKELY ACTIVE |
| WTWear Tek | Spokane | WA | Primary Metal Manufacturing331511 | 20-99 | ◐ LIKELY ACTIVE |
| BWB W Supply Company | Lyons | OH | Primary Metal Manufacturing331511 | 20-99 | ◐ LIKELY ACTIVE |
| CMChattanooga - Motorwheel LLC | Chattanooga | TN | Primary Metal Manufacturing331511 | 20-99 | ◐ LIKELY ACTIVE |
| CSCurtis St | Delaware | OH | Primary Metal Manufacturing331511 | 20-99 | ◐ LIKELY ACTIVE |
| EEcoBlock | Gary | IN | Primary Metal Manufacturing331511 | 20-99 | ◐ LIKELY ACTIVE |