| BBBeckett Bronze CO. INC. | Muncie | IN | — | ◇ UNVERIFIED |
| BMBombardier Motor Corporation of America - Spruce Pine | Spruce Pine | NC | — | ◇ UNVERIFIED |
| BABradken Atlas | Tacoma | WA | — | ◇ UNVERIFIED |
| BTBrass Tech INC | Santa Ana | CA | — | ◇ UNVERIFIED |
| BMBremer Manufacturing | Elkhart Lake | WI | — | ◇ UNVERIFIED |
 Bunting Bearings CORP | Portage | MI | — | ◇ UNVERIFIED |
| CFCentury Foundry INC | Muskegon Hts | MI | — | ◇ UNVERIFIED |
| CFCoastal Foundry CO | Houston | TX | — | ◇ UNVERIFIED |
| CColdspring | Cold Spring | MN | — | ◇ UNVERIFIED |
| CFColumbiana Foundry CO | Columbiana | OH | — | ◇ UNVERIFIED |
| CIConbraco Industries INC Apollo Assemble Plant | Pageland | SC | — | ◇ UNVERIFIED |
| CMConsolidated Metco INC | Monroe | NC | — | ◇ UNVERIFIED |
| CPConsolidated Precision Products - Minneapolis | Bloomington | MN | — | ◇ UNVERIFIED |
| CSCronimet Specialty Metals USA INC. | Wheatland | PA | — | ◇ UNVERIFIED |
| CHCsm Horvath Ledgebrook - Brost Foundry CO | Mansfield | OH | — | ◇ UNVERIFIED |
| DIDenison Industries Main Foundry | Denison | TX | — | ◇ UNVERIFIED |
| DCDuro Cast INC | Somonauk | IL | — | ◇ UNVERIFIED |
| EFEpcor Foundries | Cincinnati | OH | — | ◇ UNVERIFIED |
| ECEsco Corporation - Newton | Newton | MS | — | ◇ UNVERIFIED |
| EPEsco Plant 3 | Portland | OR | — | ◇ UNVERIFIED |
| EFExcel Foundry & Machine a Dba of Flsmidth INC | Pekin | IL | — | ◇ UNVERIFIED |
| FFFlury Foundry CO - Lancaster Facility | Lancaster | PA | — | ◇ UNVERIFIED |
| FMFrancis Manufacturing Co-francis Manufacturing CO | Russia | OH | — | ◇ UNVERIFIED |
| FPFs Precision Tech | Compton | CA | — | ◇ UNVERIFIED |
| GAGeneral Aluminum (1667070012) | Ravenna | OH | — | ◇ UNVERIFIED |
| GAGeneral Aluminum Manufacturing CO | Conneaut | OH | — | ◇ UNVERIFIED |
| GEGeneral Electric Steam Turbine Generator Global | Schenectady | NY | — | ◇ UNVERIFIED |
| GMGeneral Motors Powetrain | Saginaw | MI | — | ◇ UNVERIFIED |
| GDGm Defiance Casting Operations | Defiance | OH | — | ◇ UNVERIFIED |
| HIHarvey Industries LLC | Wabash | IN | — | ◇ UNVERIFIED |
| HCHowmet Castings Plant 10 | Whitehall | MI | — | ◇ UNVERIFIED |
| HPHubbell Power Systems Leeds | Leeds | AL | — | ◇ UNVERIFIED |
| IMIdeal Machine | Tacoma | WA | — | ◇ UNVERIFIED |
| KIKennametal INC Bedford Facility | Bedford | PA | — | ◇ UNVERIFIED |
| KSKenosha Steel Castings | Kenosha | WI | — | ◇ UNVERIFIED |
| KPKeokuk Prototype Foundry Company, INC. | Kahoka | MO | — | ◇ UNVERIFIED |
| KFKeystone Foundry Div | Erie | PA | — | ◇ UNVERIFIED |
| LMLma Mcloughlin Annex | Portland | OR | — | ◇ UNVERIFIED |
| MFMartin Foundry CO | Kansas City | MO | — | ◇ UNVERIFIED |
| MDMbaf - Division of G&w Electric | Blue Island | IL | — | ◇ UNVERIFIED |
| MTMcconway & Torley LLC - Steel Castings Mfg Plant | Pittsburgh | PA | — | ◇ UNVERIFIED |
| MBMchenry Brass INC | Mc Henry | KY | — | ◇ UNVERIFIED |
| MGMe Global INC | Duluth | MN | — | ◇ UNVERIFIED |
| MTMelling Tool Company | Battle Creek | MI | — | ◇ UNVERIFIED |
| MIMetaltek International - Sandusky International Division | Sandusky | OH | — | ◇ UNVERIFIED |
| MCMueller CO | Decatur | IL | — | ◇ UNVERIFIED |
| MAMuskegon Aluminum Bronze F | Muskegon | MI | — | ◇ UNVERIFIED |
| NSNorth Star Casteel Products | Seattle | WA | — | ◇ UNVERIFIED |
| ODO & D Manufacturing | White Oak | TX | — | ◇ UNVERIFIED |
 Pcc Structurals INC. Lsbs | Portland | OR | — | ◇ UNVERIFIED |
| PUPenn Union Corp/edinboro | Edinboro | PA | — | ◇ UNVERIFIED |
| PPermacast | Export | PA | — | ◇ UNVERIFIED |
| PAPrecision Aluminum - Foundry Division | Rock Island | IL | — | ◇ UNVERIFIED |
| PIPrl Ind Inc/cornwall | Cornwall | PA | — | ◇ UNVERIFIED |
| PIPrl Ind Inc/lebanon | Lebanon | PA | — | ◇ UNVERIFIED |
| QEQuality Electric Steel Castings | Houston | TX | — | ◇ UNVERIFIED |
| RSRh Sheppard Foundry Bendix Hanover | Hanover | PA | — | ◇ UNVERIFIED |
| RNRolls-royce Naval Marine INC | Pascagoula | MS | — | ◇ UNVERIFIED |
| SFSeabee Foundry | Hampton | IA | — | ◇ UNVERIFIED |
| SASeacast Arlington LLC | Arlington | WA | — | ◇ UNVERIFIED |
| SAShipston Aluminum Technologies | Fruitport | MI | — | ◇ UNVERIFIED |
| SVSloan Valve CO - Augusta Division | Augusta | AR | — | ◇ UNVERIFIED |
| SFSpm Flow Control | Fort Worth | TX | — | ◇ UNVERIFIED |
| SASputhern Alloy CORP | Sylacauga | AL | — | ◇ UNVERIFIED |
| SSsb1 | Milwaukie | OR | — | ◇ UNVERIFIED |
| SFStar Foundry & Machine | Salt Lake City | UT | — | ◇ UNVERIFIED |
 Superior Forge & Steel Corporation (pittsburgh, Pa) | Pittsburgh | PA | — | ◇ UNVERIFIED |
| SCSupreme Casting, INC. | Milwaukee | WI | — | ◇ UNVERIFIED |
| TAT and L Foundry INC / T and L Foundry | Glenpool | OK | — | ◇ UNVERIFIED |
| TBThe Bronze Craft Corporation | Nashua | NH | — | ◇ UNVERIFIED |
| TTTooling Technology | Fort Loramie | OH | — | ◇ UNVERIFIED |
| UEUniversal Electric Foundry INC | Chicago | IL | — | ◇ UNVERIFIED |
| VPViking Pump INC - South Main Facility | Cedar Falls | IA | — | ◇ UNVERIFIED |
| 4N45 Norton St | Honeoye Falls | NY | 20–99 | ◐ LIKELY ACTIVE |
| ABACMT Bristol | Bristol | CT | 1–19 | ◐ LIKELY ACTIVE |
| AIAlpha Investment Castings | Tulsa | OK | 20–99 | ◐ LIKELY ACTIVE |
| ASAmerican Spincast Inc. | Belton | TX | 20–99 | ◐ LIKELY ACTIVE |
| AOAMG Operations LLC - White Cloud Location | White Cloud | MI | 1–19 | ◐ LIKELY ACTIVE |
| ARAmsted Rail Griffin Wheel | Keokuk | IA | 100–499 | ◐ LIKELY ACTIVE |
| AAsc | Portland | OR | 20–99 | ◐ LIKELY ACTIVE |
| AMATEK Metal Technologies | New Hampton | IA | 100–499 | ◐ LIKELY ACTIVE |
| BABadger Alloys- Machine shop | Milwaukee | WI | 1–19 | ◐ LIKELY ACTIVE |
| BABadger Alloys- Pattern Shop | Milwaukee | WI | 1–19 | ◐ LIKELY ACTIVE |
| BFBerntsen Foundry Phelps Cast Location | Phelps | WI | 20–99 | ◐ LIKELY ACTIVE |
| BABodine Aluminum, Inc.- Jackson | Jackson | TN | 500+ | ◐ LIKELY ACTIVE |
| CICarson Industries, Inc. | Freeport | PA | 20–99 | ◐ LIKELY ACTIVE |
| CACast Alloy Products LLC | Avon | OH | — | ◐ LIKELY ACTIVE |
| CMCe-ri-ss Materials LLC | Knoxville | TN | — | ◐ LIKELY ACTIVE |
| CMCerro Mexico | Mexico | MO | 20–99 | ◐ LIKELY ACTIVE |
| CCCol-Pump Company | Columbiana | OH | 20–99 | ◐ LIKELY ACTIVE |
| CBConcast Birmingham Inc | Wakeman | OH | 20–99 | ◐ LIKELY ACTIVE |
| CBCoopermill Bronzeworks LTD | Zanesville | OH | — | ◐ LIKELY ACTIVE |
| DADavis Alloys Manufacturing, LLC | Sharpsville | PA | 20–99 | ◐ LIKELY ACTIVE |
| DDdc | Portland | OR | 20–99 | ◐ LIKELY ACTIVE |
| EAEagle Aluminum Cast Products Sand Mold | Muskegon | MI | 1–19 | ◐ LIKELY ACTIVE |
| EGEdelbrock Group, LLC | San Jacinto | CA | 100–499 | ◐ LIKELY ACTIVE |
| EAEffort Acquisition INC. | Bath | PA | — | ◐ LIKELY ACTIVE |
| EEfi | Bath | PA | 20–99 | ◐ LIKELY ACTIVE |
| ESEllwood Specialty Metals Company | Stow | OH | — | ◐ LIKELY ACTIVE |
| ESEllwood Specialty Metals Company | New Castle | PA | — | ◐ LIKELY ACTIVE |
