American Cast Iron Pipe Company | Birmingham | AL | Primary Metal Manufacturing331210 | 500+ | ● ACTIVE |
| ATArcelormittal Tubular Products USA LLC (0370020133) | Shelby | OH | Primary Metal Manufacturing331210 | 500+ | ● ACTIVE |
| ADArconic Davenport LLC | Riverdale | IA | Primary Metal Manufacturing331314 | 500+ | ● ACTIVE |
Asc Engineered Solutions Llc/columbia Fka Anvil | Columbia | PA | Primary Metal Manufacturing331511 | 500+ | ● ACTIVE |
| CACentury Aluminum Sebree LLC | Robards | KY | Primary Metal Manufacturing331312 | 500+ | ● ACTIVE |
| CSCharter Steel - Saukville | Saukville | WI | Primary Metal Manufacturing331100 | 500+ | ● ACTIVE |
| CCCleveland-cliffs Cleveland Works | Cleveland | OH | Primary Metal Manufacturing331110 | 500+ | ● ACTIVE |
| CSCleveland-cliffs Steel CORP | Middletown | OH | Primary Metal Manufacturing331110 | 500+ | ● ACTIVE |
| CSCleveland-cliffs Steel CORP - Dearborn Works | Dearborn | MI | Primary Metal Manufacturing331110 | 500+ | ● ACTIVE |
| FMFreeport-mcmoran Miami INC | Claypool | AZ | Primary Metal Manufacturing331410 | 500+ | ● ACTIVE |
| GAGranges Americas INC | Huntingdon | TN | Primary Metal Manufacturing331315 | 500+ | ● ACTIVE |
Haynes International, INC. | Kokomo | IN | Primary Metal Manufacturing331491 | 500+ | ● ACTIVE |
Huntington Alloys Corporation | Huntington | WV | Primary Metal Manufacturing331419 | 500+ | ● ACTIVE |
| JDJohn Deere Waterloo Works Drivetrain Operations & Foundry | Waterloo | IA | Primary Metal Manufacturing331511 | 500+ | ● ACTIVE |
| KIKamtek INC | Birmingham | AL | Primary Metal Manufacturing331523 | 500+ | ● ACTIVE |
| MBMaterion Brush INC | Elmore | OH | Primary Metal Manufacturing331410 | 500+ | ● ACTIVE |
M-d Building Products, INC. | Oklahoma City | OK | Primary Metal Manufacturing331318 | 500+ | ● ACTIVE |
| MCMueller CO | Albertville | AL | Primary Metal Manufacturing331511 | 500+ | ● ACTIVE |
| NANorth American Stainless | Ghent | KY | Petroleum and Coal Products Manufacturing324199 | 500+ | ● ACTIVE |
| NSNorth Star Bluescope Steel LLC | Delta | OH | Primary Metal Manufacturing331110 | 500+ | ● ACTIVE |
| NSNucor Steel | Crawfordsville | IN | Primary Metal Manufacturing331110 | 500+ | ● ACTIVE |
| NSNucor Steel- Berkeley | Huger | SC | Nonmetallic Mineral Product Manufacturing327320 | 500+ | ● ACTIVE |
| NSNucor Steel Decatur | Trinity | AL | Primary Metal Manufacturing331110 | 500+ | ● ACTIVE |
Nucor Steel Memphis, INC | Memphis | TN | Primary Metal Manufacturing331110 | 500+ | ● ACTIVE |
| SLSanders Lead Company | Troy | AL | Primary Metal Manufacturing331410 | 500+ | ● ACTIVE |
Selmet, INC. | Albany | OR | Primary Metal Manufacturing331522 | 500+ | ● ACTIVE |
Senior Aerospace Ssp | Burbank | CA | Primary Metal Manufacturing331210 | 500+ | ● ACTIVE |
Signicast LLC | Hartford | WI | Primary Metal Manufacturing331512 | 500+ | ● ACTIVE |
| SSStandard Steel-burnham Plant | Burnham | PA | Primary Metal Manufacturing331110 | 500+ | ● ACTIVE |
Titan Wheel Corporation of Illinois | Quincy | IL | Primary Metal Manufacturing331221 | 500+ | ● ACTIVE |
| TMToyota Motor Mfg Missouri INC | Troy | MO | Primary Metal Manufacturing331316 | 500+ | ● ACTIVE |
Urschel Laboratories, INC. | Chesterton | IN | Primary Metal Manufacturing331512 | 500+ | ● ACTIVE |
Waupaca Foundry INC - Plant 2 & 3 | Waupaca | WI | Primary Metal Manufacturing331510 | 500+ | ● ACTIVE |
| CPCharlotte Pipe and Foundry Company | Oakboro | NC | Primary Metal Manufacturing331511 | 500+ | ● ACTIVE |
| LMLodge Manufacturing Company | South Pittsburg | TN | Primary Metal Manufacturing331511 | 500+ | ● ACTIVE |
Metallus INC. | Canton | OH | Primary Metal Manufacturing331110 | 500+ | ● ACTIVE |
| NANemak Alabama | Sylacauga | AL | Primary Metal Manufacturing331523 | 500+ | ● ACTIVE |
| NSNucor Steel Brandenburg | Brandenburg | KY | Primary Metal Manufacturing331110 | 500+ | ● ACTIVE |
| TMTitanium Metals CORP | Toronto | OH | Primary Metal Manufacturing331491 | 500+ | ● ACTIVE |
| FMFord Meter Box Company INC | Wabash | IN | Primary Metal Manufacturing331525 | 500+ | ◐ LIKELY ACTIVE |
| LRLake Region Medical, INC. | Salem | VA | Primary Metal Manufacturing331491 | 500+ | ◐ LIKELY ACTIVE |
| NSNucor Steel | Norfolk | NE | Primary Metal Manufacturing331110 | 500+ | ◐ LIKELY ACTIVE |
| RDRyobi Die Casting (usa), INC. | Shelbyville | IN | Primary Metal Manufacturing331521 | 500+ | ◐ LIKELY ACTIVE |
| VCVictaulic CO Forks Facility | Easton | PA | Primary Metal Manufacturing331511 | 500+ | ◐ LIKELY ACTIVE |
Waupaca Foundry INC - Plant 1 | Waupaca | WI | Primary Metal Manufacturing331510 | 500+ | ◐ LIKELY ACTIVE |
Waupaca Foundry INC -plant 4 | Marinette | WI | Primary Metal Manufacturing331510 | 500+ | ◐ LIKELY ACTIVE |
| CMCentral Motor Wheel of America INC | Paris | KY | Primary Metal Manufacturing331521 | 500+ | ◐ LIKELY ACTIVE |
| CPCleveland-cliffs Plate LLC | Coatesville | PA | Primary Metal Manufacturing331110 | 500+ | ◐ LIKELY ACTIVE |
| HLHowmet - La Porte Castings | La Porte | IN | Primary Metal Manufacturing331512 | 500+ | ◐ LIKELY ACTIVE |
| TBTenaris Bay City | Bay City | TX | Primary Metal Manufacturing331210 | 500+ | ◐ LIKELY ACTIVE |