| DCDmi Columbus, LLC | Columbus | GA | — | ◇ UNVERIFIED |
| DIDonsco Inc/mt Joy | Mount Joy | PA | — | ◇ UNVERIFIED |
| DIDotson Iron Castings | Mankato | MN | — | ◇ UNVERIFIED |
| EJEast Jordan Foundry LLC | Elmira | MI | — | ◇ UNVERIFIED |
| EIEbaa Iron Eastland Plant | Eastland | TX | — | ◇ UNVERIFIED |
| EIEbaa Iron Jack Rabbit Division | Albany | TX | — | ◇ UNVERIFIED |
| ECEsco Corporation - Newton | Newton | MS | — | ◇ UNVERIFIED |
| EPEsco Plant 3 | Portland | OR | — | ◇ UNVERIFIED |
| EFEureka Foundry Company | Chattanooga | TN | — | ◇ UNVERIFIED |
| FCFarrar Corporation | Norwich | KS | — | ◇ UNVERIFIED |
| FPFederal-mogul Powertrain LLC | Lake City | MN | — | ◇ UNVERIFIED |
| FCFord Cleveland Casting Plant | Brookpark | OH | — | ◇ UNVERIFIED |
| GMGeneral Motors Powetrain | Saginaw | MI | — | ◇ UNVERIFIED |
| GDGm Defiance Casting Operations | Defiance | OH | — | ◇ UNVERIFIED |
| GTGoulds Turbine Foundry | Slaton | TX | — | ◇ UNVERIFIED |
| GWGraham White Mfg CO | Salem | VA | — | ◇ UNVERIFIED |
| GIGray Iron Fndry | Blackwell | OK | — | ◇ UNVERIFIED |
| GIGrede Ii, LLC - Brewton | Brewton | AL | — | ◇ UNVERIFIED |
| GLGrede LLC | New Castle | IN | — | ◇ UNVERIFIED |
| GLGrede LLC - Iron Mountain | Kingsford | MI | — | ◇ UNVERIFIED |
| GLGrede LLC - Liberty | Wauwatosa | WI | — | ◇ UNVERIFIED |
| GLGrede LLC - St Cloud | Saint Cloud | MN | — | ◇ UNVERIFIED |
| GPGriffin Pipe Products Company LLC | Lynchburg | VA | — | ◇ UNVERIFIED |
| GWGriffin Wheel Columbus Plant | Groveport | OH | — | ◇ UNVERIFIED |
| GCGunite Corporation | Rockford | IL | — | ◇ UNVERIFIED |
| HFHodge Foundry/greenville | Greenville | PA | — | ◇ UNVERIFIED |
| HFHycast Foundry LLC | Fairfield | IA | — | ◇ UNVERIFIED |
| ICId Castings Building Demolition | Noblesville | IN | — | ◇ UNVERIFIED |
| IMIdeal Machine | Tacoma | WA | — | ◇ UNVERIFIED |
| IPIngersoll-dresser Pump CO | Hastings | NE | — | ◇ UNVERIFIED |
| KCKansas Castings | Belle Plaine | KS | — | ◇ UNVERIFIED |
| KIKennametal INC Bedford Facility | Bedford | PA | — | ◇ UNVERIFIED |
| KSKenosha Steel Castings | Kenosha | WI | — | ◇ UNVERIFIED |
| KPKeokuk Prototype Foundry Company, INC. | Kahoka | MO | — | ◇ UNVERIFIED |
| LNLenco, Nlc INC. | Jackson | MO | — | ◇ UNVERIFIED |
| LCLiberty Casting CO (0121010003) | Delaware | OH | — | ◇ UNVERIFIED |
| LSLone Star Casting & Machine Partners | Kilgore | TX | — | ◇ UNVERIFIED |
| MSMaca Supply CO | Springville | UT | — | ◇ UNVERIFIED |
| MIMagotteaux INC | Pulaski | TN | — | ◇ UNVERIFIED |
| MTMcconway & Torley LLC - Steel Castings Mfg Plant | Pittsburgh | PA | — | ◇ UNVERIFIED |
| MGMe Global INC | Duluth | MN | — | ◇ UNVERIFIED |
| MTMetal Technologies, Inc., Ravenna Ductile Iron | Ravenna | MI | — | ◇ UNVERIFIED |
| MTMetal Technologies INC -three Rivers Gray Iron | Three Rivers | MI | — | ◇ UNVERIFIED |
| MIMetaltek International - Sandusky International Division | Sandusky | OH | — | ◇ UNVERIFIED |
| MVM&h Valve Company, a Division of Mcwane, LLC | Anniston | AL | — | ◇ UNVERIFIED |
| MMMinster Machine CO | Minster | OH | — | ◇ UNVERIFIED |
| MWMotor Wheel Commercial Vehicle Systems INC | Chattanooga | TN | — | ◇ UNVERIFIED |
| MWMotor Wheel LLC | Franklin | KY | — | ◇ UNVERIFIED |
| MCMueller CO | Decatur | IL | — | ◇ UNVERIFIED |
| MCMueller CO | Decatur | IL | — | ◇ UNVERIFIED |