| ATAlliance Tubular Products LLC - Alliance Plant (1576010407) | Alliance | OH | Primary Metal Manufacturing331210 | 100-499 | ● ACTIVE |
| CACurtis-maruyasu America | Lebanon | KY | Primary Metal Manufacturing331210 | 100-499 | ● ACTIVE |
Duraloy Technologies, INC. | Scottdale | PA | Primary Metal Manufacturing331110 | 100-499 | ● ACTIVE |
Madden Bolt Corporation | Houston | TX | Primary Metal Manufacturing331210 | 100-499 | ● ACTIVE |
| MSMichigan Seamless Tube, LLC | South Lyon | MI | Primary Metal Manufacturing331110 | 100-499 | ● ACTIVE |
| OSOhio Star Forge CO. | Champion | OH | Primary Metal Manufacturing331210 | 100-499 | ● ACTIVE |
Padgett INC | New Albany | IN | Primary Metal Manufacturing331210 | 100-499 | ● ACTIVE |
Roscoe Moss Manufacturing CO | Los Angeles | CA | Primary Metal Manufacturing331210 | 100-499 | ● ACTIVE |
Stephens Pipe & Steel LLC | Russell Springs | KY | Primary Metal Manufacturing331210 | 100-499 | ● ACTIVE |
Superior Tube Company, INC. | Collegeville | PA | Primary Metal Manufacturing331210 | 100-499 | ● ACTIVE |
Taylor Forge Engineered Systems, INC. | Paola | KS | Primary Metal Manufacturing331210 | 100-499 | ● ACTIVE |
| TTTech Tube, INC. | King of Prussia | PA | Primary Metal Manufacturing331210 | 100-499 | ● ACTIVE |
| TTTrue Temper Sports, INC. | Amory | MS | Primary Metal Manufacturing331210 | 100-499 | ● ACTIVE |
| UPUS Premier Tube Mills, LLC | Madison | IN | Primary Metal Manufacturing331111 | 100-499 | ● ACTIVE |
| VSVallourec Star | Houston | TX | Primary Metal Manufacturing331210 | 100-499 | ● ACTIVE |
| WIWebco Ind Inc/oil City Tube Div | Oil City | PA | Primary Metal Manufacturing331210 | 100-499 | ● ACTIVE |
| WTWheatland Tube Company - Council | Wheatland | PA | Primary Metal Manufacturing331210 | 100-499 | ● ACTIVE |
| ASAmerican Spiralweld Pipe | Columbia | SC | Primary Metal Manufacturing331210 | 100-499 | ● ACTIVE |
Endress + Hauser Flow, USA | Greenwood | IN | Primary Metal Manufacturing331210 | 100-499 | ● ACTIVE |
Interamerica Stage, INC. | Sanford | FL | Primary Metal Manufacturing331210 | 100-499 | ● ACTIVE |
| MBMetro Boiler Tube Company, INC. | Ringgold | GA | Primary Metal Manufacturing331210 | 100-499 | ● ACTIVE |
| STSalem Tube, Inc.. | Greenville | PA | Primary Metal Manufacturing331210 | 100-499 | ● ACTIVE |
| ATAtlas Tube - Blytheville | Blytheville | AR | Primary Metal Manufacturing331210 | 100-499 | ◐ LIKELY ACTIVE |
| ATAtlas Tube INC | Chicago | IL | Primary Metal Manufacturing331210 | 100-499 | ◐ LIKELY ACTIVE |
| BMBristol Metals Limited Partnership | Bristol | TN | Primary Metal Manufacturing331210 | 100-499 | ◐ LIKELY ACTIVE |
| DSDelta Steel and Tube | Florence | AL | Primary Metal Manufacturing331210 | 100-499 | ◐ LIKELY ACTIVE |
| DMDormont Mfg CO | Export | PA | Primary Metal Manufacturing331210 | 100-499 | ◐ LIKELY ACTIVE |
| DBDura Bond Pipe Llc/steelton | Steelton | PA | Primary Metal Manufacturing331210 | 100-499 | ◐ LIKELY ACTIVE |
| GTGreenville Tube Company | Clarksville | AR | Primary Metal Manufacturing331210 | 100-499 | ◐ LIKELY ACTIVE |
| HHHammer Haag Steel INC | Clearwater | FL | Primary Metal Manufacturing331210 | 100-499 | ▲ REPORTED CLOSED |
| MTMaverick Tube | Conroe | TX | Primary Metal Manufacturing331210 | 100-499 | ◐ LIKELY ACTIVE |
| MIMorton Industries LLC | Morton | IL | Primary Metal Manufacturing331210 | 100-499 | ◐ LIKELY ACTIVE |
| NANorth American Hydraulic Excavation Facility | Victoria | TX | Primary Metal Manufacturing331210 | 100-499 | ◐ LIKELY ACTIVE |
| NPNorthwest Pipe CO | Adelanto | CA | Primary Metal Manufacturing331210 | 100-499 | ◐ LIKELY ACTIVE |
| NTNucor Tubular Products INC | Decatur | AL | Primary Metal Manufacturing331210 | 100-499 | ◐ LIKELY ACTIVE |
| PTPhoenix Tube CO | Bethlehem | PA | Primary Metal Manufacturing331210 | 100-499 | ◐ LIKELY ACTIVE |
| RCRepublic Conduit | Louisville | KY | Primary Metal Manufacturing331210 | 100-499 | ◐ LIKELY ACTIVE |
| TMTube Methods, INC. | Bridgeport | PA | Primary Metal Manufacturing331210 | 100-499 | ▲ REPORTED CLOSED |
Webco Industries INC Kellyville Specialty Tube | Kellyville | OK | Primary Metal Manufacturing331110 | 100-499 | ◐ LIKELY ACTIVE |
| WTWelded Tube USA INC | Lackawanna | NY | Primary Metal Manufacturing331111 | 100-499 | ◐ LIKELY ACTIVE |
| WTWheatland Tube CO - Chicago Div | Chicago | IL | Primary Metal Manufacturing331210 | 100-499 | ◐ LIKELY ACTIVE |
| APAxis Pipe and Tube, INC. | Bryan | TX | Primary Metal Manufacturing331210 | 100-499 | ◐ LIKELY ACTIVE |
| BSBenteler Steel/tube Manufacturing CORP | Shreveport | LA | Primary Metal Manufacturing331210 | 100-499 | ◐ LIKELY ACTIVE |
| BBBorusan Berg Pipe | Panama City | FL | Primary Metal Manufacturing331210 | 100-499 | ◐ LIKELY ACTIVE |
| CWCharter Wire, LLC | Milwaukee | WI | Primary Metal Manufacturing331210 | 100-499 | ◐ LIKELY ACTIVE |
| FBFelker Brothers Corporation | Marshfield | WI | Primary Metal Manufacturing331210 | 100-499 | ◐ LIKELY ACTIVE |
| HDHercules Drawn Steel CORP | Livonia | MI | Primary Metal Manufacturing331210 | 100-499 | ◐ LIKELY ACTIVE |
| JTJackson Tube Services INC | Piqua | OH | Primary Metal Manufacturing331210 | 100-499 | ◐ LIKELY ACTIVE |
| MMMajor Metals Company | Mansfield | OH | Primary Metal Manufacturing331210 | 100-499 | ◐ LIKELY ACTIVE |
| PPPrimus Pipe and Tube INC | Wildwood | FL | Primary Metal Manufacturing331210 | 100-499 | ◐ LIKELY ACTIVE |