| CPConsolidated Precision Products | Euclid | OH | Primary Metal Manufacturing331512 | 100-499 | ◐ LIKELY ACTIVE |
| DIDolphin INC | Phoenix | AZ | Primary Metal Manufacturing331512 | 20-99 | ◐ LIKELY ACTIVE |
| HMHitchiner Manufacturing - Wilton Road | Milford | NH | Primary Metal Manufacturing331512 | — | ◐ LIKELY ACTIVE |
| HLHowmet - La Porte Castings | La Porte | IN | Primary Metal Manufacturing331512 | 500+ | ◐ LIKELY ACTIVE |
| MMancor | Dayton | OH | Primary Metal Manufacturing331512 | 100-499 | ◐ LIKELY ACTIVE |
| MCMesser Cutting Systems INC | Menomonee Falls | WI | Primary Metal Manufacturing331512 | 100-499 | ◐ LIKELY ACTIVE |
| PCPure Castings | Lockhart | TX | Primary Metal Manufacturing331512 | 20-99 | ◐ LIKELY ACTIVE |
| SSSeacast Seattle | Seattle | WA | Primary Metal Manufacturing331512 | — | ◐ LIKELY ACTIVE |
Stainless Foundry & Engineering INC | Milwaukee | WI | Primary Metal Manufacturing331512 | — | ◐ LIKELY ACTIVE |
| SRSturm Ruger Firearms Manufacturing Facility | Newport | NH | Primary Metal Manufacturing331512 | — | ◐ LIKELY ACTIVE |
| TCTech Cast LLC | Myerstown | PA | Primary Metal Manufacturing331512 | — | ◐ LIKELY ACTIVE |
| WTWolf Tech Llc/douglassville | Douglassville | PA | Primary Metal Manufacturing331512 | — | ◐ LIKELY ACTIVE |
| WIWyman-gordon Investment Castings, Incorporated | Groton | CT | Primary Metal Manufacturing331512 | — | ◐ LIKELY ACTIVE |
| BSBae Systems Land & Armaments LP | Anniston | AL | Primary Metal Manufacturing331512 | — | ◐ LIKELY ACTIVE |
Cpp Cleveland | Eastlake | OH | Primary Metal Manufacturing331512 | — | ◐ LIKELY ACTIVE |
| AIAlpha Investment Casting CORP / Alpha Investment Casting CORP | Tulsa | OK | Primary Metal Manufacturing331512 | — | ◇ UNVERIFIED |
Carley Foundry INC | Blaine | MN | Primary Metal Manufacturing331512 | — | ◇ UNVERIFIED |
| CPCitation Precision | Rancho Cucamonga | CA | Primary Metal Manufacturing331512 | — | ◇ UNVERIFIED |
| FPFs Precision Tech | Compton | CA | Primary Metal Manufacturing331512 | — | ◇ UNVERIFIED |
| HLHighland Lakes Quality Casting INC. | Marble Falls | TX | Primary Metal Manufacturing331512 | — | ◇ UNVERIFIED |
| HMHitchiner Manufacturing CO INC | Milford | NH | Primary Metal Manufacturing331512 | — | ◇ UNVERIFIED |
| MCMed Cast Incorporated | Warsaw | IN | Primary Metal Manufacturing331512 | — | ◇ UNVERIFIED |
| MPMississippi Precision Cast Parts LLC | Columbus | MS | Primary Metal Manufacturing331512 | — | ◇ UNVERIFIED |
| NSNet Shapes, INC. | Ontario | CA | Primary Metal Manufacturing331512 | — | ◇ UNVERIFIED |
| OIOklahoma Investment Casting CO | Blackwell | OK | Primary Metal Manufacturing331512 | — | ◇ UNVERIFIED |
| PFPac Foundries - Industry | City of Industry | CA | Primary Metal Manufacturing331512 | — | ◇ UNVERIFIED |
Pcc Structurals, INC. - Aluminum & Stainless Steel Foundry | Ogden | UT | Primary Metal Manufacturing331512 | — | ◇ UNVERIFIED |
Pcc Structurals INC - Small Structurals Business Operations | Clackamas | OR | Primary Metal Manufacturing331512 | — | ◇ UNVERIFIED |
| SCSure Cast | Burnet | TX | Primary Metal Manufacturing331512 | — | ◇ UNVERIFIED |
| WPWisconsin Precision Casting CORP | East Troy | WI | Primary Metal Manufacturing331512 | — | ◇ UNVERIFIED |
| ACArca Cast INC | Bay City | MI | Primary Metal Manufacturing331512 | — | ◇ UNVERIFIED |
| ACAmerican Casting Company | Hollister | CA | Primary Metal Manufacturing331512 | — | ◐ LIKELY ACTIVE |
| ATApex Tool Group - Sumter | Sumter | SC | Primary Metal Manufacturing331512 | 20-99 | ◐ LIKELY ACTIVE |
| BSBae Systems Land & Armaments L.p. | Anniston | AL | Primary Metal Manufacturing331512 | — | ◐ LIKELY ACTIVE |
| DADavis Alloys Mfg Llc/sharpsville | Sharpsville | PA | Primary Metal Manufacturing331512 | — | ◐ LIKELY ACTIVE |
| EIEps Industries, INC | Ferrysburg | MI | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| HCHarbor Castings, INC. | Cuyahoga Falls | OH | Primary Metal Manufacturing331512 | 100-499 | ◐ LIKELY ACTIVE |
| IWIndustrial Welding & Engineering CO. | Lewis Center | OH | Primary Metal Manufacturing331512 | — | ◐ LIKELY ACTIVE |
| ICInvest Cast Inc - Wisconsin | Osceola | WI | Primary Metal Manufacturing331512 | 20-99 | ◐ LIKELY ACTIVE |
| LCLamothermic CORP | Brewster | NY | Primary Metal Manufacturing331512 | 20-99 | ◐ LIKELY ACTIVE |
| LMLincotek Medical | Molalla | OR | Primary Metal Manufacturing331512 | — | ◐ LIKELY ACTIVE |
| MMMercury Marine Fond du Lac | Fond Du Lac | WI | Primary Metal Manufacturing331512 | 500+ | ◐ LIKELY ACTIVE |
| 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 |
| WIWaltek INC | Ramsey | MN | Primary Metal Manufacturing331512 | — | ◐ LIKELY ACTIVE |
| DIDickson Investment Hardware INC | King of Prussia | PA | Primary Metal Manufacturing331512 | — | ◐ LIKELY ACTIVE |
| PCPro Cast Industries | Paramount | CA | Primary Metal Manufacturing331512 | — | ◐ LIKELY ACTIVE |
| TITennessee Investment Casting Company, INC. (ticco) | Bristol | TN | Primary Metal Manufacturing331512 | — | ◐ LIKELY ACTIVE |