| PPPost Precision Castings INC | Strausstown | PA | Primary Metal Manufacturing331512 | — | ◐ LIKELY ACTIVE |
| SIShellcast INC | Montague | MI | Primary Metal Manufacturing331512 | 20-99 | ◐ LIKELY ACTIVE |
| SHSignicast Hutchins | Hutchins | TX | Primary Metal Manufacturing331512 | 100-499 | ◐ LIKELY ACTIVE |
| TIThompson Investment Casting | Rochester | NH | Primary Metal Manufacturing331512 | — | ◐ LIKELY ACTIVE |
| DIDickson Investment Hardware INC | King of Prussia | PA | Primary Metal Manufacturing331512 | — | ◐ LIKELY ACTIVE |
| NSNet Shapes INC | Ontario | CA | Primary Metal Manufacturing331512 | — | ◐ LIKELY ACTIVE |
| PCPro Cast Industries | Paramount | CA | Primary Metal Manufacturing331512 | — | ◐ LIKELY ACTIVE |
| TITeledyne Instruments - Analytical Instruments | City of Industry | CA | Primary Metal Manufacturing331512 | — | ◐ LIKELY ACTIVE |
| TITennessee Investment Casting Company, INC. (ticco) | Bristol | TN | Primary Metal Manufacturing331512 | — | ◐ LIKELY ACTIVE |
| WIWaltek INC | Ramsey | MN | Primary Metal Manufacturing331512 | — | ◐ LIKELY ACTIVE |
| ACAmerican Casting Company LLC | Hollister | CA | Primary Metal Manufacturing331512 | — | ◐ LIKELY ACTIVE |
| CVCounterGravity Vacuum Cast Operation (VCO) | Milford | NH | Primary Metal Manufacturing331512 | 100-499 | ◐ LIKELY ACTIVE |
| DDafco | Louisville | KY | Primary Metal Manufacturing331512 | 20-99 | ◐ LIKELY ACTIVE |
| DADafco Aerospace | Louisville | KY | Primary Metal Manufacturing331512 | 20-99 | ◐ LIKELY ACTIVE |
| PSPCC Structurals SSB1 | Milwaukee | OR | Primary Metal Manufacturing331512 | 20-99 | ◐ LIKELY ACTIVE |
| PSPCC Structurals SSBO | Clackamas | OR | Primary Metal Manufacturing331512 | 500+ | ◐ LIKELY ACTIVE |
| PSPCC Structurals - SWC | Portland | OR | Primary Metal Manufacturing331512 | 100-499 | ◐ LIKELY ACTIVE |
| PMPT- Mississippi Investment Castings | Columbus | MS | Primary Metal Manufacturing331512 | 20-99 | ◐ LIKELY ACTIVE |
| QQQuality Quimbaya CORP. | Baldwin Park | CA | Primary Metal Manufacturing331512 | — | ◐ LIKELY ACTIVE |
| SISeaCast Inc - Seattle | Marysville | WA | Primary Metal Manufacturing331512 | 20-99 | ◐ LIKELY ACTIVE |
| SESigma Engineered Solutions - IC | Markesan | WI | Primary Metal Manufacturing331512 | 20-99 | ◐ LIKELY ACTIVE |
| SMSuperior Metals Manufacturing | Chittenango | NY | Primary Metal Manufacturing331512 | 20-99 | ◐ LIKELY ACTIVE |