| ITIndiana Tube CORP | Evansville | IN | Primary Metal Manufacturing331210 | 20-99 | ◐ LIKELY ACTIVE |
| IWInsteel Wire Products | Sanderson | FL | Primary Metal Manufacturing331222 | 20-99 | ◐ LIKELY ACTIVE |
| IWInsteel Wire Products | Saint Joseph | MO | Primary Metal Manufacturing331222 | 20-99 | ◐ LIKELY ACTIVE |
| IWInsteel Wire Products TNS | Gallatin | TN | Primary Metal Manufacturing331222 | 20-99 | ◐ LIKELY ACTIVE |
| IIIrwin Industrial Tool Company | East Longmeadow | MA | Primary Metal Manufacturing331222 | 20-99 | ◐ LIKELY ACTIVE |
| JHJ.l. Haley Enterprises, INC. | Rancho Cordova | CA | Primary Metal Manufacturing331221 | 20-99 | ◐ LIKELY ACTIVE |
| KCKettler Casting CO INC | Belleville | IL | Primary Metal Manufacturing331511 | 20-99 | ◐ LIKELY ACTIVE |
| KFKirsh Foundry INC | Beaver Dam | WI | Primary Metal Manufacturing331511 | 20-99 | ◐ LIKELY ACTIVE |
| KMKoken Manufacturing CO INC | Saint Louis | MO | Primary Metal Manufacturing331314 | 20-99 | ◐ LIKELY ACTIVE |
| LCLakeside Casting Solutions | Monroe City | MO | Primary Metal Manufacturing331523 | 20-99 | ◐ LIKELY ACTIVE |
| LCLamothermic CORP | Brewster | NY | Primary Metal Manufacturing331512 | 20-99 | ◐ LIKELY ACTIVE |
| LBLawrence Brothers INC | Bluefield | VA | Primary Metal Manufacturing331110 | 20-99 | ◐ LIKELY ACTIVE |
| LMLee's Morvillo Group | Providence | RI | Primary Metal Manufacturing331491 | 20-99 | ◐ LIKELY ACTIVE |
| LPLeveltek Processing INC | Benwood | WV | Primary Metal Manufacturing331221 | 20-99 | ◐ LIKELY ACTIVE |
| LHL & H Manufacturing Company | Mandan | ND | Primary Metal Manufacturing331524 | 20-99 | ◐ LIKELY ACTIVE |
| LFLiberty Forge | Liberty | TX | Primary Metal Manufacturing331110 | 20-99 | ◐ LIKELY ACTIVE |
| MIMaico Industries INC | Ellsworth | KS | Primary Metal Manufacturing331210 | 20-99 | ◐ LIKELY ACTIVE |
| MIMansfield Industries INC | Mansfield | OH | Primary Metal Manufacturing331529 | 20-99 | ◐ LIKELY ACTIVE |
| MMMarksman Metals CO INC | Saint Michael | MN | Primary Metal Manufacturing331110 | 20-99 | ◐ LIKELY ACTIVE |
| MSMartin Sprocket & Gear INC | Dallas | TX | Primary Metal Manufacturing331511 | 20-99 | ◐ LIKELY ACTIVE |
| MOMaruichi Oregon Steel Tube | Portland | OR | Primary Metal Manufacturing331110 | 20-99 | ◐ LIKELY ACTIVE |
| MSMetal Source, LLC (GHR07) | Huntington | IN | Primary Metal Manufacturing331314 | 20-99 | ◐ LIKELY ACTIVE |
| MFMid-City Foundry Co. - Milwaukee Division | Milwaukee | WI | Primary Metal Manufacturing331510 | 20-99 | ◐ LIKELY ACTIVE |
| MFMid-city Foundry CORP - United Div | Grafton | WI | Primary Metal Manufacturing331510 | 20-99 | ◐ LIKELY ACTIVE |
| MTMid-ohio Tubing, LLC | Decatur | AL | Primary Metal Manufacturing331210 | 20-99 | ◐ LIKELY ACTIVE |
| MIMinncast INC | Fridley | MN | Primary Metal Manufacturing331513 | 20-99 | ◐ LIKELY ACTIVE |
| MSModern Sheet Metal Works, INC. | Miamitown | OH | Primary Metal Manufacturing331210 | 20-99 | ◐ LIKELY ACTIVE |
| MIMultimetco INC | Anniston | AL | Primary Metal Manufacturing331314 | 20-99 | ◐ LIKELY ACTIVE |
| NSNational Steel Rule | Linden | NJ | Primary Metal Manufacturing331221 | 20-99 | ◐ LIKELY ACTIVE |
| NPNaylor Pipe CO | Chicago | IL | Primary Metal Manufacturing331210 | 20-99 | ◐ LIKELY ACTIVE |
| NANeturen America Corporation | Hamilton | OH | Primary Metal Manufacturing331222 | 20-99 | ◐ LIKELY ACTIVE |
| NSNorth Star Casteel Products | Seattle | WA | Primary Metal Manufacturing331513 | 20-99 | ◐ LIKELY ACTIVE |
| NINu-cast, INC. | Londonderry | NH | Primary Metal Manufacturing331523 | 20-99 | ◐ LIKELY ACTIVE |
| OMOerlikon Metco - Plymouth | Plymouth | MI | Primary Metal Manufacturing331492 | 20-99 | ◐ LIKELY ACTIVE |
| POPeerless of America INC | Effingham | IL | Primary Metal Manufacturing331316 | 20-99 | ◐ LIKELY ACTIVE |
| PAPenn Aluminum | Harlingen | TX | Primary Metal Manufacturing331316 | 20-99 | ◐ LIKELY ACTIVE |
| PFPlymouth Foundry Incorporated | Plymouth | IN | Primary Metal Manufacturing331511 | 20-99 | ◐ LIKELY ACTIVE |
| PPom,inc | Russellville | AR | Primary Metal Manufacturing331523 | 20-99 | ◐ LIKELY ACTIVE |
| PCPure Castings | Lockhart | TX | Primary Metal Manufacturing331512 | 20-99 | ◐ LIKELY ACTIVE |
| QWQuirk Wire CO INC | West Brookfield | MA | Primary Metal Manufacturing331422 | 20-99 | ◐ LIKELY ACTIVE |
| RMRigidized Metals CORP | Buffalo | NY | Primary Metal Manufacturing331491 | 20-99 | ◐ LIKELY ACTIVE |
| RIRiverdale Industries LLC | Riverdale | IL | Chemical Manufacturing325910 | 20-99 | ◐ LIKELY ACTIVE |
| RSRmf Steel Products | Grandview | MO | Primary Metal Manufacturing331513 | 20-99 | ◐ LIKELY ACTIVE |
| SSSeah Steel USA | Houston | TX | Primary Metal Manufacturing331210 | 20-99 | ◐ LIKELY ACTIVE |
| SWService Wire-phoenix | Phoenix | AZ | Primary Metal Manufacturing331420 | 20-99 | ◐ LIKELY ACTIVE |
| SCShalmet CORP | Elyria | OH | Primary Metal Manufacturing331110 | 20-99 | ◐ LIKELY ACTIVE |
| SMSoudan Metals Company INC. | Chicago | IL | Primary Metal Manufacturing331221 | 20-99 | ◐ LIKELY ACTIVE |
| SMSpecial Metals Dunkirk | Dunkirk | NY | Primary Metal Manufacturing331419 | 20-99 | ◐ LIKELY ACTIVE |
| SASteward Advanced Materials LLC | Chattanooga | TN | Nonmetallic Mineral Product Manufacturing327999 | 20-99 | ◐ LIKELY ACTIVE |
| SWSumiden Wire Products | Stockton | CA | Primary Metal Manufacturing331222 | 20-99 | ◐ LIKELY ACTIVE |