| ATAlliance Tubular Products LLC - Alliance Plant (1576010407) | Alliance | OH | Primary Metal Manufacturing331210 | 100-499 | ● ACTIVE |
| ATAllied Tube & Conduit Corporation | Harvey | IL | Primary Metal Manufacturing331210 | — | ● ACTIVE |
American Cast Iron Pipe Company | Birmingham | AL | Primary Metal Manufacturing331210 | 500+ | ● ACTIVE |
American Structural Metals INC | Somerset | WI | Primary Metal Manufacturing331210 | 20-99 | ● ACTIVE |
| ATArcelormittal Tubular Products USA LLC (0370020133) | Shelby | OH | Primary Metal Manufacturing331210 | 500+ | ● ACTIVE |
| ACArntzen Corporation | Sharon | WI | Primary Metal Manufacturing331210 | — | ● ACTIVE |
A. T. Wall CO | Warwick | RI | Primary Metal Manufacturing331210 | 20-99 | ● ACTIVE |
Bay Shore Steel Works LLC | Charlevoix | MI | Primary Metal Manufacturing331210 | 20-99 | ● ACTIVE |
| BMBull Moose Tube CO | Trenton | GA | Primary Metal Manufacturing331110 | 20-99 | ● ACTIVE |
| CPCore Pipe Products INC | Sanford | FL | Primary Metal Manufacturing331210 | 20-99 | ● ACTIVE |
| CMCrabil Manufacturing, INC. | Saint Petersburg | FL | Primary Metal Manufacturing331210 | — | ● ACTIVE |
| CACurtis-maruyasu America | Lebanon | KY | Primary Metal Manufacturing331210 | 100-499 | ● ACTIVE |
Davis Machine Works of Opelika, INC. | Opelika | AL | Primary Metal Manufacturing331210 | 20-99 | ● ACTIVE |
Duraloy Technologies, INC. | Scottdale | PA | Primary Metal Manufacturing331110 | 100-499 | ● ACTIVE |
| FBFelker Brothers CORP Plant Ii | Glasgow | KY | Primary Metal Manufacturing331210 | 1-19 | ● ACTIVE |
Hme INC | Topeka | KS | Primary Metal Manufacturing331210 | — | ● ACTIVE |
Innovative Works INC. | Chesterfield | MI | Primary Metal Manufacturing331210 | — | ● ACTIVE |
Karan and Associates, INC | Fontana | CA | Primary Metal Manufacturing331210 | — | ● 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 |
Pcc Rollmet, INC | Irvine | CA | Primary Metal Manufacturing331210 | — | ● ACTIVE |
Plymouth Tube Company | East Troy | WI | Primary Metal Manufacturing331210 | 20-99 | ● ACTIVE |
Plymouth Tube Company | Salisbury | MD | Primary Metal Manufacturing331210 | 20-99 | ● ACTIVE |
Quality Machine of Iowa Acquisition, INC. | Audubon | IA | Primary Metal Manufacturing331210 | 20-99 | ● ACTIVE |
Roscoe Moss Manufacturing CO | Los Angeles | CA | Primary Metal Manufacturing331210 | 100-499 | ● ACTIVE |
Senior Aerospace Ssp | Burbank | CA | Primary Metal Manufacturing331210 | 500+ | ● ACTIVE |
Steel Edge, INC | Las Vegas | NV | Primary Metal Manufacturing331210 | — | ● ACTIVE |
Steel Forgings, INC. | Shreveport | LA | Primary Metal Manufacturing331210 | 20-99 | ● ACTIVE |
Stephens Pipe & Steel LLC | Russell Springs | KY | Primary Metal Manufacturing331210 | 100-499 | ● ACTIVE |
| SBStupp Bros., INC. | Saint Louis | MO | Primary Metal Manufacturing331210 | 20-99 | ● 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 |
Virginia Steel & Fabrication, INC | Bastian | VA | Primary Metal Manufacturing331210 | — | ● ACTIVE |
| WIWebco Ind Inc/oil City Tube Div | Oil City | PA | Primary Metal Manufacturing331210 | 100-499 | ● ACTIVE |
| WIWebco Industries Texas Distribution Division | Orange | TX | Primary Metal Manufacturing331210 | 20-99 | ● ACTIVE |
Welspun Tubular LLC | Little Rock | AR | Primary Metal Manufacturing331210 | — | ● ACTIVE |
| WTWheatland Tube Company - Council | Wheatland | PA | Primary Metal Manufacturing331210 | 100-499 | ● ACTIVE |
American Boa INC | Cumming | GA | Primary Metal Manufacturing331210 | — | ● ACTIVE |
| ASAmerican Spiralweld Pipe | Columbia | SC | Primary Metal Manufacturing331210 | 100-499 | ● ACTIVE |
Aquashield, INC | Hixson | TN | Primary Metal Manufacturing331210 | 1-19 | ● ACTIVE |
Atrenne Computing Solutions, LLC | Brockton | MA | Primary Metal Manufacturing331210 | — | ● ACTIVE |
Brownell Boat Stands INC | Dartmouth | MA | Primary Metal Manufacturing331210 | — | ● ACTIVE |
| CTCain Tubular Products, INC | Saint Charles | IL | Primary Metal Manufacturing331210 | — | ● ACTIVE |
Centerline Precision Tube Bending INC | Dublin | CA | Primary Metal Manufacturing331210 | — | ● ACTIVE |