| ACAbex CORP Amsco Div | Anderson | IN | Primary Metal Manufacturing331513 | — | ◐ LIKELY ACTIVE |
| ARAmsted Rail | Groveport | OH | Primary Metal Manufacturing331513 | 100-499 | ◐ LIKELY ACTIVE |
| ACArenac Casting INC | Standish | MI | Primary Metal Manufacturing331513 | 20-99 | ◐ LIKELY ACTIVE |
| BCBct Cast Products LLC | West Allis | WI | Primary Metal Manufacturing331511 | 20-99 | ◐ LIKELY ACTIVE |
| CCChemalloy Company Llc/ Conshohocken | Bryn Mawr | PA | Primary Metal Manufacturing331513 | — | ◐ LIKELY ACTIVE |
| CMCircle Machine Rolls, INC. | Sebring | OH | Primary Metal Manufacturing331513 | 20-99 | ◐ LIKELY ACTIVE |
| CSCoronado Steel CO | Youngstown | OH | Primary Metal Manufacturing331513 | 20-99 | ◐ LIKELY ACTIVE |
| CFCustom Fabrication & Erection | Philpot | KY | Primary Metal Manufacturing331513 | — | ◐ LIKELY ACTIVE |
| HCHuron Casting, INC (blue Diamond Steel Casting) (b7013) | Pigeon | MI | Primary Metal Manufacturing331513 | — | ◐ LIKELY ACTIVE |
| JSJorgensen Steel Machining & Fabrication INC. | Tekonsha | MI | Primary Metal Manufacturing331513 | — | ◐ LIKELY ACTIVE |
| KMKeokuk Mills, LLC | Keokuk | IA | Primary Metal Manufacturing331513 | — | ◐ LIKELY ACTIVE |
| MPMayer Pollock Steel CORP | Pottstown | PA | Primary Metal Manufacturing331513 | — | ◐ LIKELY ACTIVE |
| MIMcc International, INC. | Mc Donald | PA | Primary Metal Manufacturing331513 | 20-99 | ◐ LIKELY ACTIVE |
| MAMiller and Company LLC | Mulga | AL | Primary Metal Manufacturing331513 | — | ◐ LIKELY ACTIVE |
| PFPearce Foundry, INC. | Prairieville | LA | Primary Metal Manufacturing331513 | 20-99 | ◐ LIKELY ACTIVE |
| RIRock Island Arsenal | Rock Island | IL | Primary Metal Manufacturing331513 | — | ◐ LIKELY ACTIVE |
| SRSpecialty Rolled Metals LLC Beaver Dam WI | Beaver Dam | WI | Primary Metal Manufacturing331513 | 20-99 | ◐ LIKELY ACTIVE |
| SFSuperior Forge and Steel | Pittsburgh | PA | Primary Metal Manufacturing331221 | 20-99 | ◐ LIKELY ACTIVE |
| UMUlven Machinery Co, INC | Hubbard | OR | Primary Metal Manufacturing331513 | — | ◐ LIKELY ACTIVE |
| WTWear Tek | Spokane | WA | Primary Metal Manufacturing331511 | 20-99 | ◐ LIKELY ACTIVE |
| BCBay Cast INC | Bay City | MI | Primary Metal Manufacturing331513 | — | ◐ LIKELY ACTIVE |
| CFColumbiana Foundry CO | Columbiana | OH | Primary Metal Manufacturing331513 | — | ◐ LIKELY ACTIVE |
| MAMeltec a Div of Young CORP | Seattle | WA | Primary Metal Manufacturing331513 | — | ◐ LIKELY ACTIVE |
| OFOlympic Foundry INC | Seattle | WA | Primary Metal Manufacturing331511 | — | ◐ LIKELY ACTIVE |
| RSR & S Steel,llc | Rome | NY | Primary Metal Manufacturing331513 | — | ◐ LIKELY ACTIVE |
| SFSeabee Foundry | Hampton | IA | Primary Metal Manufacturing331513 | — | ◐ LIKELY ACTIVE |
| SMStrategic Materials Corporation | South Gate | CA | Primary Metal Manufacturing331513 | — | ◐ LIKELY ACTIVE |
Vulcan Metals Corporation - Atchison (air) | Atchison | KS | Primary Metal Manufacturing331513 | — | ◐ LIKELY ACTIVE |
| ASAmerican Spincast Inc. | Belton | TX | Primary Metal Manufacturing331513 | 20-99 | ◐ LIKELY ACTIVE |
| BABadger Alloys- Machine shop | Milwaukee | WI | Primary Metal Manufacturing331513 | 1-19 | ◐ LIKELY ACTIVE |
| BABadger Alloys- Pattern Shop | Milwaukee | WI | Primary Metal Manufacturing331513 | 1-19 | ◐ LIKELY ACTIVE |
| CCCol-Pump Company | Columbiana | OH | Primary Metal Manufacturing331513 | 20-99 | ◐ LIKELY ACTIVE |
| DADavis Alloys Manufacturing, LLC | Sharpsville | PA | Primary Metal Manufacturing331513 | 20-99 | ◐ LIKELY ACTIVE |
| ESEllwood Specialty Metals Company | Stow | OH | Primary Metal Manufacturing331513 | — | ◐ LIKELY ACTIVE |
| EGESCO Group LLC - Portland Head Office | Portland | OR | Primary Metal Manufacturing331513 | 100-499 | ◐ LIKELY ACTIVE |
Sawbrook Steel Casting LLC | Lockland | OH | Primary Metal Manufacturing331513 | 20-99 | ◐ LIKELY ACTIVE |
Superior Forge & Steel New Castle | New Castle | PA | Primary Metal Manufacturing331513 | 20-99 | ◐ LIKELY ACTIVE |
| VIValmet Inc Waukesha Wilmont | Waukesha | WI | Primary Metal Manufacturing331513 | 1-19 | ◐ LIKELY ACTIVE |
| VMVulan Metals Corporation | Tacoma | WA | Primary Metal Manufacturing331513 | 100-499 | ◐ LIKELY ACTIVE |
| WEWeir Esco | Portland | OR | Primary Metal Manufacturing331513 | 20-99 | ◐ LIKELY ACTIVE |
| WEWeir Esco Newton | Newton | MS | Primary Metal Manufacturing331513 | 100-499 | ◐ LIKELY ACTIVE |
| WEWeir ESCO - Plant 3 | Portland | OR | Primary Metal Manufacturing331513 | 20-99 | ◐ LIKELY ACTIVE |
| WCWhemco-steel Castings, INC | Pittsburgh | PA | Primary Metal Manufacturing331513 | — | ◐ LIKELY ACTIVE |
| WMWinsert Marinette | Marinette | WI | Primary Metal Manufacturing331513 | 100-499 | ◐ LIKELY ACTIVE |
| WCWisconsin Centrifugal Division | Waukesha | WI | Primary Metal Manufacturing331513 | 100-499 | ◐ LIKELY ACTIVE |
| ESEllwood Specialty Metals Company | New Castle | PA | Primary Metal Manufacturing331513 | — | ◐ LIKELY ACTIVE |
| JIJgx Industries LLC | Gettysburg | PA | Primary Metal Manufacturing331513 | — | ◐ LIKELY ACTIVE |