| TFTaylor Forge Engineered Systems Tulsa | Tulsa | OK | Primary Metal Manufacturing331210 | 20-99 | ◐ LIKELY ACTIVE |
| TTTEDA TPCO America Corporation EHS | Gregory | TX | Primary Metal Manufacturing331111 | 20-99 | ◐ LIKELY ACTIVE |
| TATenaris Ambridge | Ambridge | PA | Primary Metal Manufacturing331110 | 20-99 | ◐ LIKELY ACTIVE |
| TCTenaris Coiled Tubes - Downhole Center | Houston | TX | Primary Metal Manufacturing331210 | 100-499 | ◐ LIKELY ACTIVE |
| TCTexas Couplings L.P. | Spring | TX | Primary Metal Manufacturing331210 | 20-99 | ◐ LIKELY ACTIVE |
| TTTrans Tube INC | Pontiac | MI | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
| TMTw Metals, INC | Forest Park | GA | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
| VUVam USA | Houston | TX | Primary Metal Manufacturing331210 | 100-499 | ◐ LIKELY ACTIVE |
| WSWilborn Steel | San Antonio | TX | Primary Metal Manufacturing331210 | 1-19 | ◐ LIKELY ACTIVE |
Wisconsin Oven CORP | East Troy | WI | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
| 1C104593 - Century Tube LLC | Madison | IN | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
| 1S104943 - Seymour Tubing Incorporated | Seymour | IN | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
| 1E106147 - E-h Tubing Incorporated | Brownstown | IN | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
| ATAlliance Tubular Holding LLC | Darlington | PA | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
Apache Stainless Equipment CORP | Plover | WI | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
| AMArcelor Mittal Marion | Marion | OH | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
| BMBull Moose Tube CO. INC. - Plant #9 | Elkhart | IN | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
| CICerda Industries, INC. | Houston | TX | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
| CTCleveland-cliffs Tubular Components | Walbridge | OH | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
| CSCooper Standard Automotive INC | New Lexington | OH | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
| GTGlobal Tubing LLC Coiled Tubing Manufacturing Facility in Dayton Texas | Dayton | TX | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
| GSGulf States Tube Division | Rosenberg | TX | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
| HLHandytube LLC | Camden | DE | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
| LSLakeside Steel Alabama | Thomasville | AL | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
| LSLone Star Plant Lone Star Power Station | Lone Star | TX | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
Luxfer Magtech Inc/tamaqua | Tamaqua | PA | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
| NPNorthwest Pipe Longhorn | Saginaw | TX | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
| NANov Ameron Tulsa Pole Products Tube Manufacturing | Tulsa | OK | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
| NANov Ameron Tulsa Pole Products Welding & Fabrication | Tulsa | OK | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
| PEPetrosmith Equipment Abilene Facility | Abilene | TX | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
| PIPicoma Industries-a Division of Zekelman Industries | Cambridge | OH | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
| PSPlm Steel Tubes | Laredo | TX | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
| PTPlymouth Tube | Horsham | PA | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
| SWShelby Welded Tube | Shelby | OH | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
| SCSix C Fabrication, INC. (1667070022) | Rootstown | OH | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
Skyline Steel Llc-iuka | Iuka | MS | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
| SPStephens Pipe & Steel LLC | Russell Springs | KY | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
| STSwepco Tube LLC | Clifton | NJ | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
| TMTenaris Mesa | Houston | TX | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
| TPTexas Pmw INC | Houston | TX | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
| UTUnion Tube Mill LLC | Union City | IN | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
| USUS Steel - Lorain Tubular Operations | Lorain | OH | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
| WTWelded Tubes INC | Orwell | OH | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
| WTWheatland Tube CO Niles Plant | Niles | OH | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
| WTWheatland Tube Council Ave Plt/wheatland Tube LLC | Wheatland | PA | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
| ASAccu-Tube - Sheridan | Englewood | CO | Primary Metal Manufacturing331210 | 20-99 | ◐ LIKELY ACTIVE |
| AIAce Irrigation and MFG. Co.- Eaton Metals | Kearney | NE | Primary Metal Manufacturing331210 | 20-99 | ◐ LIKELY ACTIVE |
| AOAgri of Virginia INC | Broadway | VA | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
| AFAk Fab LLC | Redmond | OR | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
| ALAlbert Lea | Albert Lea | MN | Food Manufacturing311999 | 1-19 | ◐ LIKELY ACTIVE |