| VVValley / Vulcan Mold CO | Trenton | MI | Primary Metal Manufacturing331511 | — | ◇ UNVERIFIED |
| WMWa317943601 - Mackenzie Castings LLC | Arlington | WA | Primary Metal Manufacturing331511 | — | ◇ UNVERIFIED |
| WDWa317945207 - D&l Foundry INC | Moses Lake | WA | Primary Metal Manufacturing331511 | — | ◇ UNVERIFIED |
| WMWard Manufacturing, LLC | Blossburg | PA | Primary Metal Manufacturing331511 | — | ◇ UNVERIFIED |
| WFWaterman Foundry | Exeter | CA | Primary Metal Manufacturing331511 | — | ◇ UNVERIFIED |
| WAWaunakee Alloy Casting Corporation | Waunakee | WI | Primary Metal Manufacturing331511 | — | ◇ UNVERIFIED |
 Waupaca Foundry Landfill | Waupaca | WI | Primary Metal Manufacturing331511 | — | ◇ UNVERIFIED |
| WWelaco | Bakersfield | CA | Primary Metal Manufacturing331511 | — | ◇ UNVERIFIED |
| WCWesgo Ceramics | Belmont | CA | Primary Metal Manufacturing331491 | — | ◇ UNVERIFIED |
| WCWestern Castings Company | Santa Clara | CA | Primary Metal Manufacturing331511 | — | ◇ UNVERIFIED |
| WMWestern Metals Recycling, LLC | Pueblo | CO | Primary Metal Manufacturing331511 | — | ◇ UNVERIFIED |
| WGWgs Global Services L C | Etowah | TN | Primary Metal Manufacturing331511 | — | ◇ UNVERIFIED |
| WIWh Industries Delaware, INC. | Jacksonville | AL | Primary Metal Manufacturing331511 | — | ◇ UNVERIFIED |
| WPWinona Production Services, INC. | Winona | MN | Primary Metal Manufacturing331511 | — | ◇ UNVERIFIED |
| WFWollaston Foundry | Quincy | MA | Primary Metal Manufacturing331511 | — | ◇ UNVERIFIED |
