| MSMichigan Seamless Tube, LLC | South Lyon | MI | Primary Metal Manufacturing331110 | 100-499 | ● ACTIVE |
Miller Castings INC | Whittier | CA | Primary Metal Manufacturing331511 | 100-499 | ● ACTIVE |
Morgan Advanced Ceramics, INC. | Hayward | CA | Nonmetallic Mineral Product Manufacturing327110 | 100-499 | ● ACTIVE |
| MBMueller Brass CO. | Port Huron | MI | Primary Metal Manufacturing331420 | 100-499 | ● ACTIVE |
New England Wire Technologies CORP. | Lisbon | NH | Primary Metal Manufacturing331420 | 100-499 | ● ACTIVE |
| NSNucor Steel Tuscaloosa, INC. | Tuscaloosa | AL | Primary Metal Manufacturing331110 | 100-499 | ● ACTIVE |
| OSOhio Star Forge CO. | Champion | OH | Primary Metal Manufacturing331210 | 100-499 | ● ACTIVE |
Oil City Iron Works, INC | Corsicana | TX | Primary Metal Manufacturing331511 | 100-499 | ● ACTIVE |
Optical Cable CORP | Roanoke | VA | Primary Metal Manufacturing331491 | 100-499 | ● ACTIVE |
| OIOsco Industries INC - Jackson Div | Jackson | OH | Primary Metal Manufacturing331511 | 100-499 | ● ACTIVE |
| PIPace Industries - Cambridge Div | North Billerica | MA | Primary Metal Manufacturing331521 | 100-499 | ● ACTIVE |
Padgett INC | New Albany | IN | Primary Metal Manufacturing331210 | 100-499 | ● ACTIVE |
| PAPcc Airfoils LLC Smp INC | Wickliffe | OH | Primary Metal Manufacturing331529 | 100-499 | ● ACTIVE |
| PAPcc Airfoils Mentor | Mentor | OH | Primary Metal Manufacturing331512 | 100-499 | ● ACTIVE |
| PSPcc Structurals - San Leandro | San Leandro | CA | Primary Metal Manufacturing331110 | 100-499 | ● ACTIVE |
| PAPennex Aluminum CO | Wellsville | PA | Primary Metal Manufacturing331314 | 100-499 | ● ACTIVE |
Petersen Incorporated | Ogden | UT | Primary Metal Manufacturing331221 | 100-499 | ● ACTIVE |
| PDPhelps Dodge Copper Products CO | El Paso | TX | Primary Metal Manufacturing331410 | 100-499 | ● ACTIVE |
| PDPhelps Dodge High Performance Conductors | Inman | SC | Primary Metal Manufacturing331222 | 100-499 | ● ACTIVE |
| PIPmx Industries, INC. | Cedar Rapids | IA | Primary Metal Manufacturing331420 | 100-499 | ● ACTIVE |
| PCPrysmian Cables & Systems USA LLC | Du Quoin | IL | Primary Metal Manufacturing331420 | 100-499 | ● ACTIVE |
| PCPrysmian Cables & Sys USA Llc/williamsport Plt | Williamsport | PA | Primary Metal Manufacturing331318 | 100-499 | ● ACTIVE |
Ramco Electric Motors, INC. | Greenville | OH | Primary Metal Manufacturing331523 | 100-499 | ● ACTIVE |
| RAReading Alloys, LLC | Robesonia | PA | Primary Metal Manufacturing331110 | 100-499 | ● ACTIVE |
| RAReal Alloy Recycling LLC | Morgantown | KY | Primary Metal Manufacturing331313 | 100-499 | ● ACTIVE |
| RARec Advanced Silicon Materials LLC | Butte | MT | Chemical Manufacturing325180 | 100-499 | ● ACTIVE |
Roscoe Moss Manufacturing CO | Los Angeles | CA | Primary Metal Manufacturing331210 | 100-499 | ● ACTIVE |
| SMSabin Metal CORP | Scottsville | NY | Primary Metal Manufacturing331419 | 100-499 | ● ACTIVE |
| SCShalmet CORP | Orwigsburg | PA | Primary Metal Manufacturing331221 | 100-499 | ● ACTIVE |
Shultz Steel LLC | South Gate | CA | Primary Metal Manufacturing331221 | 100-499 | ● ACTIVE |
| SMSipi Metals CORP | Chicago | IL | Primary Metal Manufacturing331410 | 100-499 | ● ACTIVE |
Solventum Purification INC. | Meriden | CT | Primary Metal Manufacturing331410 | 100-499 | ● ACTIVE |
Southern Tool LLC | Oxford | AL | Primary Metal Manufacturing331512 | 100-499 | ● ACTIVE |
Spartan Light Metal Products, INC. | Sparta | IL | Primary Metal Manufacturing331521 | 100-499 | ● ACTIVE |
| SASpectro Alloys CORP | Rosemount | MN | Primary Metal Manufacturing331314 | 100-499 | ● ACTIVE |
Ssab Iowa INC | Muscatine | IA | Primary Metal Manufacturing331110 | 100-499 | ● ACTIVE |
| SDSteel Dust Recycling LLC | Millport | AL | Primary Metal Manufacturing331410 | 100-499 | ● ACTIVE |
| SDSteel Dynamics Heartland | Terre Haute | IN | Primary Metal Manufacturing331110 | 100-499 | ● ACTIVE |
| SISteelscape INC | Kalama | WA | Primary Metal Manufacturing331111 | 100-499 | ● ACTIVE |
Stephens Pipe & Steel LLC | Russell Springs | KY | Primary Metal Manufacturing331210 | 100-499 | ● ACTIVE |
| SBStupp Bridge Company | Bowling Green | KY | Primary Metal Manufacturing331110 | 100-499 | ● ACTIVE |
Superior Extrusion, INC | Gwinn | MI | Primary Metal Manufacturing331315 | 100-499 | ● ACTIVE |
Superior Tube Company, INC. | Collegeville | PA | Primary Metal Manufacturing331210 | 100-499 | ● ACTIVE |
| TSTaubensee Steel and Wire CO | Wheeling | IL | Primary Metal Manufacturing331222 | 100-499 | ● ACTIVE |
Taylor Forge Engineered Systems, INC. | Paola | KS | Primary Metal Manufacturing331210 | 100-499 | ● ACTIVE |
Team Industries Bagley | Bagley | MN | Primary Metal Manufacturing331521 | 100-499 | ● ACTIVE |
| TTTech Tube, INC. | King of Prussia | PA | Primary Metal Manufacturing331210 | 100-499 | ● ACTIVE |
| TEThe Electric Materials Co/north East | North East | PA | Primary Metal Manufacturing331420 | 100-499 | ● ACTIVE |
The Harrison Steel Castings CO | Attica | IN | Primary Metal Manufacturing331511 | 100-499 | ● ACTIVE |
The Quality Castings Company | Orrville | OH | Primary Metal Manufacturing331511 | 100-499 | ● ACTIVE |