| BSByer Steel | Cincinnati | OH | Primary Metal Manufacturing331110 | 20-99 | ◐ LIKELY ACTIVE |
| CSCalifornia Steel and Tube | City of Industry | CA | Primary Metal Manufacturing331210 | 20-99 | ◐ LIKELY ACTIVE |
| CMCarter Machine Co. Inc. | Galion | OH | Primary Metal Manufacturing331210 | 20-99 | ◐ LIKELY ACTIVE |
| CCem-tec | Phoenix | AZ | Primary Metal Manufacturing331210 | 20-99 | ◐ LIKELY ACTIVE |
| DPDundee Products | Dundee | MI | Primary Metal Manufacturing331210 | 20-99 | ◐ LIKELY ACTIVE |
| EEEsmark Excalibur LLC - Conneaut Lake | Conneaut Lake | PA | Primary Metal Manufacturing331210 | 20-99 | ◐ LIKELY ACTIVE |
| FTFairmont Tool INC | Fairmont | WV | Primary Metal Manufacturing331210 | 20-99 | ◐ LIKELY ACTIVE |
| FEFamco Enterprises INC | Brusly | LA | Primary Metal Manufacturing331210 | 20-99 | ◐ LIKELY ACTIVE |
| FWF W M Mechanical | Minden | LA | Primary Metal Manufacturing331210 | 20-99 | ◐ LIKELY ACTIVE |
| HIHallmark Iron Works, Inc | Lorton | VA | Primary Metal Manufacturing331210 | 20-99 | ◐ LIKELY ACTIVE |
| HMHolte Manufacturing | Veneta | OR | Primary Metal Manufacturing331210 | 20-99 | ◐ LIKELY ACTIVE |
| IMInternational Metal Hose Company | Bellevue | OH | Primary Metal Manufacturing331210 | 20-99 | ◐ LIKELY ACTIVE |
| LILouis Industries INC | Paynesville | MN | Primary Metal Manufacturing331210 | 20-99 | ◐ LIKELY ACTIVE |
| MSMaruichi Stainless Tube Texas | Seguin | TX | Primary Metal Manufacturing331210 | 20-99 | ◐ LIKELY ACTIVE |
| MBMba Building Supplies Ne, INC. | Frackville | PA | Primary Metal Manufacturing331210 | 20-99 | ◐ LIKELY ACTIVE |
| PTParthenon Tube | La Vergne | TN | Primary Metal Manufacturing331210 | 20-99 | ◐ LIKELY ACTIVE |
| PEPEXCO (Pennsylvania Extruded Tube Co) | Clarks Summit | PA | Primary Metal Manufacturing331210 | 20-99 | ◐ LIKELY ACTIVE |
| P1Poly-Cam 1101 | Anoka | MN | Primary Metal Manufacturing331210 | 20-99 | ◐ LIKELY ACTIVE |
| PIPRE-heat, Inc. | Oostburg | WI | Primary Metal Manufacturing331210 | 20-99 | ◐ LIKELY ACTIVE |
| PTProduction Tube Cutting | Dayton | OH | Primary Metal Manufacturing331210 | 20-99 | ◐ LIKELY ACTIVE |
| RMRees Memphis Acquisition LLC | Memphis | TN | Primary Metal Manufacturing331210 | 20-99 | ◐ LIKELY ACTIVE |
Sd Industries | Alexandria | SD | Primary Metal Manufacturing331210 | 20-99 | ◐ LIKELY ACTIVE |
| 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 |
| TCTexas Couplings L.P. | Spring | TX | Primary Metal Manufacturing331210 | 20-99 | ◐ 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 |
| AUAlleima USA LLC - Houston | Houston | TX | Primary Metal Manufacturing331210 | 20-99 | ◐ LIKELY ACTIVE |
| ATAllied Tube & Conduit DePere Wisconsin | DePere | WI | Primary Metal Manufacturing331210 | 20-99 | ◐ LIKELY ACTIVE |
| ASAmerican SpiralWeld Great Lakes Division | Flint | MI | Primary Metal Manufacturing331210 | 20-99 | ◐ LIKELY ACTIVE |
| APARI Phoenix Inc | Sharonville | OH | Primary Metal Manufacturing331210 | 20-99 | ◐ LIKELY ACTIVE |
| ATAtlas Tube-Birmingham Zekelman Industries | Birmingham | AL | Primary Metal Manufacturing331210 | 20-99 | ◐ LIKELY ACTIVE |
| BCBig Country Livestock Equipment, Inc. | Rising Star | TX | Primary Metal Manufacturing331210 | 20-99 | ◐ LIKELY ACTIVE |
| BMBMT Masury | Masury | OH | Primary Metal Manufacturing331210 | 20-99 | ◐ LIKELY ACTIVE |
| BMBri-Steel Manufacturing LLC | Enid | OK | Primary Metal Manufacturing331210 | 20-99 | ◐ LIKELY ACTIVE |
| BPBurlington Plant | Saginaw | TX | Primary Metal Manufacturing331210 | 20-99 | ◐ LIKELY ACTIVE |
| CGCasa Grande Bull Moose Industries | Casa Grande | AZ | Primary Metal Manufacturing331210 | 20-99 | ◐ LIKELY ACTIVE |
| CPCentric Pipe - Bossier City | Bossier City | LA | Primary Metal Manufacturing331210 | 20-99 | ◐ LIKELY ACTIVE |
| CCCherokee Culvert Company, Inc. | Macon | GA | Primary Metal Manufacturing331210 | 20-99 | ◐ LIKELY ACTIVE |
| CHCoreWorks Heat Exchanger, LLC | Waller | TX | Primary Metal Manufacturing331210 | 20-99 | ◐ LIKELY ACTIVE |
| CMCortec Manifold Systems | Port Allen | LA | Primary Metal Manufacturing331210 | 20-99 | ◐ LIKELY ACTIVE |
| CTCsm Tube USA INC. | Elk Grove Village | IL | Primary Metal Manufacturing331210 | 20-99 | ◐ LIKELY ACTIVE |
| FSField Services Lafayette | Lafayette | LA | Primary Metal Manufacturing331210 | 20-99 | ◐ LIKELY ACTIVE |
| GGGSC - Groundworks Supply Chain | Columbia | SC | Primary Metal Manufacturing331210 | 20-99 | ◐ LIKELY ACTIVE |
| GSGulf States Tube LLC | Brookshire | TX | Primary Metal Manufacturing331210 | 20-99 | ◐ LIKELY ACTIVE |
| HHavana | Havana | IL | Primary Metal Manufacturing331210 | 20-99 | ◐ LIKELY ACTIVE |
| HEHofmann Eau Claire Plant | Eau Claire | MI | Primary Metal Manufacturing331210 | 20-99 | ◐ LIKELY ACTIVE |
| HEHouston Elbow | Houston | TX | Primary Metal Manufacturing331210 | 20-99 | ◐ LIKELY ACTIVE |
| JMJ&L Manufacturing | Marshall | MI | Primary Metal Manufacturing331210 | 20-99 | ◐ LIKELY ACTIVE |