| EFEpcor Foundry | Cincinnati | OH | Primary Metal Manufacturing331524 | 20-99 | ◐ LIKELY ACTIVE |
| FPFoley Pattern Company, Inc. | Auburn | IN | Primary Metal Manufacturing331524 | 1-19 | ◐ LIKELY ACTIVE |
| FMFrancis Manufacturing | Russia | OH | Primary Metal Manufacturing331524 | 100-499 | ◐ LIKELY ACTIVE |
| GAGeneral Aluminum LLC, Conneaut | Conneaut | OH | Primary Metal Manufacturing331524 | 20-99 | ◐ LIKELY ACTIVE |
| GAGeneral Aluminum LLC, Wapakoneta | Wapakoneta | OH | Primary Metal Manufacturing331524 | 20-99 | ◐ LIKELY ACTIVE |
| HHubbell | Leeds | AL | Primary Metal Manufacturing331524 | 100-499 | ◐ LIKELY ACTIVE |
| JJuniata | Juniata | NE | Primary Metal Manufacturing331524 | 1-19 | ◐ LIKELY ACTIVE |
| PAPatton Avenue | Monroe | NC | Primary Metal Manufacturing331524 | 100-499 | ◐ LIKELY ACTIVE |
| PSPCC Structurals - Franklin | Franklin | NH | Primary Metal Manufacturing331524 | 20-99 | ◐ LIKELY ACTIVE |
| PFPT Foundry | Eind | OK | Primary Metal Manufacturing331524 | 20-99 | ◐ LIKELY ACTIVE |
| QAQ Aluminum LLC | New Berlin | PA | Primary Metal Manufacturing331524 | 1-19 | ◐ LIKELY ACTIVE |
| SMSaginaw Metal Casting Operations | Saginaw | MI | Primary Metal Manufacturing331524 | 100-499 | ◐ LIKELY ACTIVE |
| SCSouthern Casting Company | Sevierville | TN | Primary Metal Manufacturing331524 | 20-99 | ◐ LIKELY ACTIVE |
| TATexas Aluminum Foundry, Inc. | Fort Worth | TX | Primary Metal Manufacturing331524 | 20-99 | ◐ LIKELY ACTIVE |
| TOThe O'brien Company, LLC | North Scituate | RI | Primary Metal Manufacturing331524 | — | ◐ LIKELY ACTIVE |
| UCUnion City Foundry | Union City | OH | Primary Metal Manufacturing331524 | 20-99 | ◐ LIKELY ACTIVE |
| VIVFORGE INC dba THIXOCAST INC | Lakewood | CO | Primary Metal Manufacturing331524 | 20-99 | ◐ LIKELY ACTIVE |
| WWaf | Manitowoc | WI | Primary Metal Manufacturing331524 | 100-499 | ◐ LIKELY ACTIVE |
| WSWarren Sand CO of Illinois | Springfield | IL | Primary Metal Manufacturing331524 | — | ◐ LIKELY ACTIVE |
| WFWinchester Foundry | Winchester | IN | Primary Metal Manufacturing331524 | 20-99 | ◐ LIKELY ACTIVE |
| RCRoss Casting & Innovation, LLC | Sidney | OH | Primary Metal Manufacturing331521 | — | ◇ UNVERIFIED |
| SISeilkop Industries, INC. | Cincinnati | OH | Primary Metal Manufacturing331524 | — | ◇ UNVERIFIED |
| 1S107181 - Shipston Aluminum Technologies Incorporated | Franklin | IN | Primary Metal Manufacturing331523 | — | ◇ UNVERIFIED |
| 3V317707425 - Valley Brass and Aluminum INC | Salem | OR | Primary Metal Manufacturing331522 | — | ◇ UNVERIFIED |
| 3A317712049 - a & C Foundry Products INC | Portland | OR | Primary Metal Manufacturing331524 | — | ◇ UNVERIFIED |
| 3M317714355 - Mt Angel Art Foundry INC | Mount Angel | OR | Primary Metal Manufacturing331524 | — | ◇ UNVERIFIED |
| 3T317720800 - Tl Becker Corporation | Eugene | OR | Primary Metal Manufacturing331524 | — | ◇ UNVERIFIED |
| 3B317721746 - Barr Castings | Portland | OR | Primary Metal Manufacturing331524 | — | ◇ UNVERIFIED |
| 4E45qua Emery Cutter & Foundry Co.,inc. Dba Piqua Em | Piqua | OH | Primary Metal Manufacturing331524 | — | ◇ UNVERIFIED |
| 5I513 Independent Road, LLC | Oakland | CA | Primary Metal Manufacturing331524 | — | ◇ UNVERIFIED |
| 5C56423 - Century Aluminum of Kentucky General Partnership | Hawesville | KY | Primary Metal Manufacturing331312 | — | ◇ UNVERIFIED |
| 9P92167 - Proto Labs INC | Plymouth | MN | Primary Metal Manufacturing331524 | — | ◇ UNVERIFIED |
| 9H92425 - Hitchcock Industries INC Dba Consol Precision Prod | Minneapolis | MN | Primary Metal Manufacturing331524 | — | ◇ UNVERIFIED |
| 9M93158 - Modern Metals Foundry INC | Minneapolis | MN | Primary Metal Manufacturing331524 | — | ◇ UNVERIFIED |
| 9H95671 - Hitchcock Industries INC Dba Cpp - Pattern Shop | Minneapolis | MN | Primary Metal Manufacturing331524 | — | ◇ UNVERIFIED |
| APAce Pattern and Foundry of Kansas INC | Kansas City | KS | Primary Metal Manufacturing331524 | — | ◇ UNVERIFIED |
| ACAlcast Company Midwest Works LLC | Fairfield | IA | Primary Metal Manufacturing331524 | — | ◇ UNVERIFIED |
| AFAlegacy Food Services Group INC | Santa Fe Springs | CA | Primary Metal Manufacturing331524 | — | ◇ UNVERIFIED |
| ACAlloy Castings CO | East Bridgewater | MA | Primary Metal Manufacturing331524 | — | ◇ UNVERIFIED |
| ARAlloy Resources CORP | Muskegon | MI | Primary Metal Manufacturing331314 | — | ◇ UNVERIFIED |
| AFAlphacast Foundry INC | Azusa | CA | Primary Metal Manufacturing331524 | — | ◇ UNVERIFIED |
| AMAlumalloy Metalcasting CO. | Avon Lake | OH | Primary Metal Manufacturing331524 | — | ◇ UNVERIFIED |
| ATAluminum Technology Schmid North America, INC. | Auburn | AL | Primary Metal Manufacturing331523 | — | ◇ UNVERIFIED |
| AIAmcast Industrial CORP - Amcast Automotive | Cedarburg | WI | Primary Metal Manufacturing331524 | — | ◇ UNVERIFIED |
 American Aluminum Casting, CO. | Irvington | NJ | Primary Metal Manufacturing331524 | — | ◇ UNVERIFIED |
| ARAmerican Rail Car | St. Charles | MO | Primary Metal Manufacturing331524 | — | ◇ UNVERIFIED |
| AMApollo Masters Corporation | Banning | CA | Primary Metal Manufacturing331524 | — | ◇ UNVERIFIED |
| AKAquatic Kreations | Hobe Sound | FL | Primary Metal Manufacturing331524 | — | ◇ UNVERIFIED |
| AAArapahoe Aluminum Foundry | Englewood | CO | Primary Metal Manufacturing331524 | — | ◇ UNVERIFIED |
| AMArk-valley Metal Processing INC | Pueblo | CO | Primary Metal Manufacturing331524 | — | ◇ UNVERIFIED |
