| MCMcwane Cast Iron Pipe CO. | Birmingham | AL | Primary Metal Manufacturing331511 | — | ◇ UNVERIFIED |
| MSMetrock Steel & Wire CO. | Montevallo | AL | Primary Metal Manufacturing331222 | — | ◇ UNVERIFIED |
| MMMetso Minerals Industries INC | Birmingham | AL | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| NMNational Metals INC | Leeds | AL | Primary Metal Manufacturing331000 | — | ◇ UNVERIFIED |
| NUNorandal USA Incorporated | Scottsboro | AL | Primary Metal Manufacturing331315 | — | ◇ UNVERIFIED |
| NSNucor Steel Birmingham, INC. | Birmingham | AL | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| OSOps Sales Company | Birmingham | AL | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| PRProgress Rail Services | Albertville | AL | Primary Metal Manufacturing331492 | — | ◇ UNVERIFIED |
| RFRobinson Foundry INC | Alexander City | AL | Primary Metal Manufacturing331511 | — | ◇ UNVERIFIED |
| SRSa Recycling | Phenix City | AL | Primary Metal Manufacturing331492 | — | ◇ UNVERIFIED |
| SRSa Recycling | Chickasaw | AL | Primary Metal Manufacturing331492 | — | ◇ UNVERIFIED |
| SIScot Industries, INC. | Talladega | AL | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| SISelf Industries, INC. | Trussville | AL | Primary Metal Manufacturing331221 | — | ◇ UNVERIFIED |
| SASouthern Alloy CORP | Sylacauga | AL | Primary Metal Manufacturing331512 | — | ◇ UNVERIFIED |
| SISteelcase INC | Athens | AL | Primary Metal Manufacturing331221 | — | ◇ UNVERIFIED |
| TFTi Fluid Systems | Tallassee | AL | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| TPTubular Products Company, INC. | Birmingham | AL | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| WAWabash Alloys | Russellville | AL | Primary Metal Manufacturing331314 | — | ◇ UNVERIFIED |
| WAWise Alloys L L C | Muscle Shoals | AL | Primary Metal Manufacturing331312 | — | ◇ UNVERIFIED |
| WAWise Alloys LLC Sheffield Ops | Sheffield | AL | Primary Metal Manufacturing331315 | — | ◇ UNVERIFIED |
| WBW.j. Bullock INC. | Fairfield | AL | Primary Metal Manufacturing331423 | — | ◇ UNVERIFIED |
| WSWorthington Steel | Decatur | AL | Primary Metal Manufacturing331221 | — | ◇ UNVERIFIED |
| AAmg | Sylacauga | AL | Primary Metal Manufacturing331110 | 20-99 | ◐ LIKELY ACTIVE |
| AHATI - Huntsville Operation | Huntsville | AL | Primary Metal Manufacturing331491 | 100-499 | ◐ LIKELY ACTIVE |
| ATAtlas Tube-Birmingham Zekelman Industries | Birmingham | AL | Primary Metal Manufacturing331210 | 20-99 | ◐ LIKELY ACTIVE |
| CSCMC Steel Alabama | Birmingham | AL | Primary Metal Manufacturing331110 | 100-499 | ◐ LIKELY ACTIVE |
| CCoilplus | Athens | AL | Primary Metal Manufacturing331221 | 20-99 | ◐ LIKELY ACTIVE |
| CMConstellium Muscle Shoals LLC | Muscle Shoals | AL | Primary Metal Manufacturing331315 | — | ◐ LIKELY ACTIVE |
| CMConstellium Muscle Shoals LLC - Alloys Operations | Muscle Shoals | AL | Primary Metal Manufacturing331315 | 500+ | ◐ LIKELY ACTIVE |
| FDFairfield Dualine | Fairfield | AL | Primary Metal Manufacturing331110 | 20-99 | ◐ LIKELY ACTIVE |
| FPFlorence Plant | Florence | AL | Primary Metal Manufacturing331420 | 100-499 | ◐ LIKELY ACTIVE |
| HTHanna Tuscaloosa | Tuscaloosa | AL | Primary Metal Manufacturing331210 | 100-499 | ◐ LIKELY ACTIVE |
| HHeflin | Heflin | AL | Primary Metal Manufacturing331318 | 100-499 | ◐ LIKELY ACTIVE |
| HHubbell | Leeds | AL | Primary Metal Manufacturing331524 | 100-499 | ◐ LIKELY ACTIVE |
| ITIndependence Tube Corporation | Birmingham | AL | Primary Metal Manufacturing331210 | 100-499 | ◐ LIKELY ACTIVE |
| KIKeyhole Industrial Welding Services, LLC | Decatur | AL | Primary Metal Manufacturing331210 | — | ▲ REPORTED CLOSED |
| LTLance Turner | Fort Mitchell | AL | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
| MMain | Birmingham | AL | Primary Metal Manufacturing331210 | 20-99 | ◐ LIKELY ACTIVE |
| MIMayco Industries - Birmingham Main Facility | Birmingham | AL | Primary Metal Manufacturing331491 | 100-499 | ◐ LIKELY ACTIVE |
| MSMetal Source, LLC (GHR11) | Scottsboro | AL | Primary Metal Manufacturing331314 | 20-99 | ◐ LIKELY ACTIVE |
| MHM & H Valve Company | Anniston | AL | Primary Metal Manufacturing331511 | 100-499 | ◐ LIKELY ACTIVE |
| MAMobis America Inc dba Mobis Alabama LLC | Montgomery | AL | Primary Metal Manufacturing331110 | 500+ | ◐ LIKELY ACTIVE |
| MSMonarch Steel of Alabama, Inc. | Decatur | AL | Primary Metal Manufacturing331221 | 20-99 | ◐ LIKELY ACTIVE |
| NANovelis Aluminum | Bay Minette | AL | Primary Metal Manufacturing331315 | 100-499 | ◐ LIKELY ACTIVE |
| OSOutokumpu Stainless USA LLC | Calvert | AL | Primary Metal Manufacturing331110 | 500+ | ◐ LIKELY ACTIVE |
| RARMG Anniston LLC | Anniston | AL | Primary Metal Manufacturing331511 | 100-499 | ◐ LIKELY ACTIVE |
| SSSabel Steel Service, Inc- Fabrications | Montgomery | AL | Primary Metal Manufacturing331110 | 1-19 | ◐ LIKELY ACTIVE |
| SSSabel Steel Service, Inc- Scrap | Montgomery | AL | Primary Metal Manufacturing331491 | 20-99 | ◐ LIKELY ACTIVE |
| SSSouthern Steel Products LLC | Gadsden | AL | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| SMSSAB Mobile | Axis | AL | Primary Metal Manufacturing331110 | 500+ | ◐ LIKELY ACTIVE |