| MBMchenry Brass INC | Mc Henry | KY | Primary Metal Manufacturing331525 | — | ◐ LIKELY ACTIVE |
| MCMueller CO | Decatur | IL | Primary Metal Manufacturing331529 | — | ◐ LIKELY ACTIVE |
| SFSpm Flow Control | Fort Worth | TX | Primary Metal Manufacturing331529 | — | ◐ LIKELY ACTIVE |
| SSsb1 | Milwaukie | OR | Primary Metal Manufacturing331529 | — | ◐ LIKELY ACTIVE |
| TBThe Bronze Craft Corporation | Nashua | NH | Primary Metal Manufacturing331529 | — | ◐ LIKELY ACTIVE |
| BSBronze Services of Loveland, INC. | Loveland | CO | Primary Metal Manufacturing331525 | 1-19 | ◐ LIKELY ACTIVE |
Sharrow Marine LLC | Shelby Township | MI | Primary Metal Manufacturing331529 | — | ◐ LIKELY ACTIVE |
| LALos Angeles Pump & Valve Products | Huntington Park | CA | Primary Metal Manufacturing331221 | — | ◐ LIKELY ACTIVE |
| BOBwxt Ordnance Tennessee, INC. | Jonesborough | TN | Primary Metal Manufacturing331528 | — | ◐ LIKELY ACTIVE |
| CMConcast Metal Prod Co/adams Twp | Mars | PA | Primary Metal Manufacturing331525 | — | ◐ LIKELY ACTIVE |
| FFFlury Foundry CO | Lancaster | PA | Primary Metal Manufacturing331529 | — | ◐ LIKELY ACTIVE |
| GPGf Proto-type Plaster INC | Fraser | MI | Primary Metal Manufacturing331529 | — | ◐ LIKELY ACTIVE |
| HOHeart of Texas Art Group, Inc. | Bastrop | TX | Primary Metal Manufacturing331529 | 1-19 | ◐ LIKELY ACTIVE |
| PPPiad Precision Casting Corporation | Greensburg | PA | Primary Metal Manufacturing331423 | 100-499 | ◐ LIKELY ACTIVE |
| SMSipi Metals CORP | Chicago | IL | Primary Metal Manufacturing331492 | 100-499 | ◐ LIKELY ACTIVE |
| STSkat Trak | Calimesa | CA | Primary Metal Manufacturing331521 | 1-19 | ◐ LIKELY ACTIVE |
| SISpokane Industries | Spokane Valley | WA | Primary Metal Manufacturing331529 | 100-499 | ◐ LIKELY ACTIVE |
| AAAdvanced Airfoil Components | Gibsonton | FL | Primary Metal Manufacturing331529 | — | ◐ LIKELY ACTIVE |
| CColdspring | Cold Spring | MN | Primary Metal Manufacturing331529 | — | ◐ LIKELY ACTIVE |
| LMLma Mcloughlin Annex | Portland | OR | Primary Metal Manufacturing331528 | — | ◐ LIKELY ACTIVE |
Pcc Structurals INC. Lsbs | Portland | OR | Primary Metal Manufacturing331529 | — | ◐ LIKELY ACTIVE |
| SASeacast Arlington LLC | Arlington | WA | Primary Metal Manufacturing331529 | — | ◐ LIKELY ACTIVE |
| SCSupreme Casting, INC. | Milwaukee | WI | Primary Metal Manufacturing331529 | — | ◐ LIKELY ACTIVE |
| ABArrowhead Brass Products | Los Angeles | CA | Primary Metal Manufacturing331420 | — | ◇ UNVERIFIED |
| LMLunt Manufacturing CO INC | Schaumburg | IL | Primary Metal Manufacturing331529 | — | ◇ UNVERIFIED |
| MBMaiden Bronze | Sandy | OR | Primary Metal Manufacturing331529 | — | ◇ UNVERIFIED |
Matthews International Corporation | Kingwood | WV | Primary Metal Manufacturing331525 | — | ◇ UNVERIFIED |
Pcc Structurals, Inc.-machine Shop | Portland | OR | Primary Metal Manufacturing331529 | — | ◇ UNVERIFIED |
| SCSandwich Casting & Machine/trio Foundry INC | Montgomery | IL | Primary Metal Manufacturing331529 | — | ◇ UNVERIFIED |
| VBValley Brass Incorporated | El Monte | CA | Primary Metal Manufacturing331529 | — | ◇ UNVERIFIED |
| WFWagner Foundry INC | Chicago | IL | Primary Metal Manufacturing331529 | — | ◇ UNVERIFIED |
| WWWalla Walla Foundry | Walla Walla | WA | Primary Metal Manufacturing331529 | — | ◇ UNVERIFIED |
| AIAlpha Investment Castings | Tulsa | OK | Primary Metal Manufacturing331529 | 20-99 | ◐ LIKELY ACTIVE |
| AOAMG Operations LLC - White Cloud Location | White Cloud | MI | Primary Metal Manufacturing331529 | 1-19 | ◐ LIKELY ACTIVE |
| BFBerntsen Foundry Phelps Cast Location | Phelps | WI | Primary Metal Manufacturing331529 | 20-99 | ◐ LIKELY ACTIVE |
| CACast Alloy Products LLC | Avon | OH | Primary Metal Manufacturing331529 | — | ◐ LIKELY ACTIVE |
| CMCerro Mexico | Mexico | MO | Primary Metal Manufacturing331529 | 20-99 | ◐ LIKELY ACTIVE |
| CBConcast Birmingham Inc | Wakeman | OH | Primary Metal Manufacturing331529 | 20-99 | ◐ LIKELY ACTIVE |
| CBCoopermill Bronzeworks LTD | Zanesville | OH | Primary Metal Manufacturing331529 | — | ◐ LIKELY ACTIVE |
| DDdc | Portland | OR | Primary Metal Manufacturing331529 | 20-99 | ◐ LIKELY ACTIVE |
| FFoundry | Muncie | IN | Primary Metal Manufacturing331529 | 1-19 | ◐ LIKELY ACTIVE |
| HOHeart of Texas Art Group, Inc. dba Pyrology Foundry & Studio | Bastrop | TX | Primary Metal Manufacturing331529 | 20-99 | ◐ LIKELY ACTIVE |
| HJHillary J Hyman | Indio | CA | Primary Metal Manufacturing331529 | — | ◐ LIKELY ACTIVE |
| HAHowmet Aerospace Whitehall Operations - HRC Complex | Whitehall | MI | Primary Metal Manufacturing331529 | 100-499 | ◐ LIKELY ACTIVE |
| HAHowmet Aerospace Whitehall Operations - Plant 5 | Whitehall | MI | Primary Metal Manufacturing331529 | 100-499 | ◐ LIKELY ACTIVE |
| HAHowmet Aerospace Whitehall Operations - Whitehall Casting Plant 10 | Whitehall | MI | Primary Metal Manufacturing331529 | 500+ | ◐ LIKELY ACTIVE |
| HHHowmet - Hampton Castings | Hampton | VA | Primary Metal Manufacturing331529 | 500+ | ◐ LIKELY ACTIVE |
| HWHowmet - Wichita Falls | Wichita Falls | TX | Primary Metal Manufacturing331529 | 500+ | ◐ LIKELY ACTIVE |
| KKalamazoo | Kalamazoo | MI | Primary Metal Manufacturing331529 | 1-19 | ◐ LIKELY ACTIVE |
| LLLpc Lma | Milwaukie | OR | Primary Metal Manufacturing331529 | 100-499 | ◐ LIKELY ACTIVE |