| PAPrecision Aluminum - Foundry Division | Rock Island | IL | Primary Metal Manufacturing331524 | — | ◐ LIKELY ACTIVE |
| TTTooling Technology | Fort Loramie | OH | Primary Metal Manufacturing331524 | — | ◐ LIKELY ACTIVE |
| AFAluminum Foundry of Wisconsin, INC. | Lannon | WI | Primary Metal Manufacturing331520 | — | ◐ LIKELY ACTIVE |
Hillside Castings, LLC | Longview | TX | Primary Metal Manufacturing331524 | — | ◐ LIKELY ACTIVE |
| SCSt. Croix Castings, INC. | Woodville | WI | Primary Metal Manufacturing331524 | 20-99 | ◐ LIKELY ACTIVE |
| 1W105273 - Wabash Castings Incorporated | Wabash | IN | Primary Metal Manufacturing331521 | 100-499 | ◐ LIKELY ACTIVE |
| AFAC Foundry Incorporated dba Melling Engineered Aluminum Castings | Battle Creek | MI | Primary Metal Manufacturing331524 | 20-99 | ◐ LIKELY ACTIVE |
| ABActive Brass Foundry | Telford | PA | Primary Metal Manufacturing331524 | — | ◐ LIKELY ACTIVE |
| AFAkron Foundry Company | Akron | OH | Primary Metal Manufacturing331524 | 500+ | ◐ LIKELY ACTIVE |
| APAlcast- Peoria | Peoria | IL | Primary Metal Manufacturing331524 | 100-499 | ◐ LIKELY ACTIVE |
| ADAndy's Deli & Mikolajczk | Chicago | IL | Food Manufacturing311612 | — | ◐ LIKELY ACTIVE |
Armstrong Mold Corporation Foundry | East Syracuse | NY | Primary Metal Manufacturing331524 | 20-99 | ◐ LIKELY ACTIVE |
| CFCentury Foundry INC | Muskegon Heights | MI | Primary Metal Manufacturing331524 | 20-99 | ◐ LIKELY ACTIVE |
| CFCentury Foundry Inc-2524 Park | Muskegon Heights | MI | Primary Metal Manufacturing331524 | — | ◐ LIKELY ACTIVE |
Chicago Magnesium Casting CO | Blue Island | IL | Primary Metal Manufacturing331524 | — | ◐ LIKELY ACTIVE |
| CLCurto Ligonier Foundries CO | Melrose Park | IL | Primary Metal Manufacturing331524 | — | ◐ LIKELY ACTIVE |
| DCDiamond Casting and Machine CO INC | Hollis | NH | Primary Metal Manufacturing331523 | 20-99 | ◐ LIKELY ACTIVE |
| DCDuro Cast | Somonauk | IL | Primary Metal Manufacturing331523 | 20-99 | ◐ LIKELY ACTIVE |
| EAErg Aerospace Corporation | Sparks | NV | Primary Metal Manufacturing331524 | — | ◐ LIKELY ACTIVE |
| FBFab Braze Corporation | Nashua | NH | Primary Metal Manufacturing331524 | — | ◐ LIKELY ACTIVE |
| FWFort Worth Aluminum Foundry | Fort Worth | TX | Primary Metal Manufacturing331524 | 20-99 | ◐ LIKELY ACTIVE |
| GAGeneral Aluminum LLC, Ravenna | Ravenna | OH | Primary Metal Manufacturing331523 | 100-499 | ◐ LIKELY ACTIVE |
| HCHTCI, Co. | New Carlisle | OH | Primary Metal Manufacturing331524 | 20-99 | ◐ LIKELY ACTIVE |
| KMKing Model Company INC (1677011225) | Akron | OH | Primary Metal Manufacturing331524 | — | ◐ LIKELY ACTIVE |
| MAMagnesium Alloy Product CO | Compton | CA | Primary Metal Manufacturing331524 | — | ◐ LIKELY ACTIVE |
| MTMetal Technologies INC | Bloomfield | IN | Primary Metal Manufacturing331524 | — | ◐ LIKELY ACTIVE |
| NONew Oxford Aluminum (Genlyte-Signify) | New Oxford | PA | Primary Metal Manufacturing331524 | 20-99 | ◐ LIKELY ACTIVE |
| RIReo Industries, INC. | Hayden | ID | Primary Metal Manufacturing331524 | 20-99 | ◐ LIKELY ACTIVE |
| STSkat Trak | Calimesa | CA | Primary Metal Manufacturing331521 | 1-19 | ◐ LIKELY ACTIVE |
| SSStahl Specialty Company | Kingsville | MO | Primary Metal Manufacturing331521 | 100-499 | ◐ LIKELY ACTIVE |
| SCSure Cast Foundry | Blaine | MN | Primary Metal Manufacturing331524 | 20-99 | ◐ LIKELY ACTIVE |
| TFTrio Foundry Inc | Montgomery | IL | Primary Metal Manufacturing331523 | 20-99 | ◐ LIKELY ACTIVE |
| ATAfl Telecommunications LLC | Bristol | VA | Primary Metal Manufacturing331524 | — | ◐ LIKELY ACTIVE |
Aluminum Precision Products INC | Santa Ana | CA | Primary Metal Manufacturing331524 | — | ◐ LIKELY ACTIVE |
| CPCoatings Plus, INC | Fenton | MO | Primary Metal Manufacturing331524 | — | ◐ LIKELY ACTIVE |
| EFEdelbrock Foundry CORP | San Jacinto | CA | Primary Metal Manufacturing331521 | — | ◐ LIKELY ACTIVE |
| EFEpcor Foundries | Cincinnati | OH | Primary Metal Manufacturing331524 | — | ◐ LIKELY ACTIVE |
| FMFrancis Manufacturing Co-francis Manufacturing CO | Russia | OH | Primary Metal Manufacturing331524 | — | ◐ LIKELY ACTIVE |
| HAHawver Aluminum Foundry, INC | Tampa | FL | Primary Metal Manufacturing331524 | — | ◐ LIKELY ACTIVE |
| HVHuron Valley Steel CORP | Belleville | MI | Primary Metal Manufacturing331524 | — | ◐ LIKELY ACTIVE |
| MDMbaf - Division of G&w Electric | Blue Island | IL | Primary Metal Manufacturing331524 | — | ◐ LIKELY ACTIVE |
| MBMorris Bean & CO * | Yellow Springs | OH | Primary Metal Manufacturing331524 | — | ◐ LIKELY ACTIVE |
| MAMuskegon Aluminum Bronze F | Muskegon | MI | Primary Metal Manufacturing331524 | — | ◐ LIKELY ACTIVE |
| PSPcc Structurals Aluminum Operations | Tilton | NH | Primary Metal Manufacturing331524 | — | ◐ LIKELY ACTIVE |
| PWPrime Wheel | Gardena | CA | Primary Metal Manufacturing331524 | — | ◐ LIKELY ACTIVE |
| QNQuality Non-ferrous Foundry | Wyoming | MI | Primary Metal Manufacturing331523 | — | ◐ LIKELY ACTIVE |
| SPSt Paul Brass and Aluminum Foundry | Saint Paul | MN | Primary Metal Manufacturing331524 | — | ◐ LIKELY ACTIVE |
| TAT and L Foundry INC / T and L Foundry | Glenpool | OK | Primary Metal Manufacturing331524 | — | ◐ LIKELY ACTIVE |
| ABACMT Bristol | Bristol | CT | Primary Metal Manufacturing331524 | 1-19 | ◐ LIKELY ACTIVE |
| BABodine Aluminum, Inc.- Jackson | Jackson | TN | Primary Metal Manufacturing331524 | 500+ | ◐ LIKELY ACTIVE |