| PTPlymouth Tube CO | West Monroe | LA | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
| RIRathgibson INC | North Branch | NJ | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
| RJRathgibson Janesville LLC | Janesville | WI | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
| SMSalzgitter Mannesmann Stainless Tubes | Houston | TX | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
| SMSandvik Materials Technology | Clarks Summit | PA | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
| SIScot Industries | Muscoda | WI | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
| SSSkyline Steel | Newton | IL | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
Skyline Steel | Camp Hill | PA | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
Skyline Steel LLC | Longview | WA | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
| SWSteel Warehouse CO LLC | South Bend | IN | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
| TCTenarius Coiled Tube | Houston | TX | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
| THTexas Honing INC - Pearland | Pearland | TX | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
| USUnited Stainless INC | Selmer | TN | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
| VSVallourec Star LP / Muskogee Plt | Muskogee | OK | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
| VNValmont Newmark | Tulsa | OK | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
| VQVarco Quality Tubing Tuboscope Div | Houston | TX | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
| WWardflex | Tioga | PA | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
| WIWebco Industries | Lyndon | IL | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
Webco Industries, INC. Mannford Specialty Tube | Mannford | OK | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
Webco Industries, INC. - Reno Division | Reno | PA | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
Webco Industries, INC. Swt Cooper Bldg | Sand Springs | OK | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
| WTWheatland Tube Church St Plt | Wheatland | PA | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
| WTWheatland Tube - Warren, a Div. of Zekelman Industries (0278080757) | Warren | OH | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
| BCBillco CORP | Addison | IL | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
| EPEpic Piping | San Marcos | TX | Primary Metal Manufacturing331210 | 100-499 | ◐ LIKELY ACTIVE |
| GLGreat Lakes Precision Tube, INC. | Aurora | IL | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
Harbor Fab LLC | Fort Worth | TX | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
High-tek Tube CORP | Littleton | CO | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
Inland Machine Company INC. | Rancho Cucamonga | CA | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
| MSMorgan Steel LLC | Memphis | TN | Primary Metal Manufacturing331110 | 100-499 | ◐ LIKELY ACTIVE |
Omega Flex, INC. | Exton | PA | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
| PTPlymouth Tube Company- Eupora | Eupora | MS | Primary Metal Manufacturing331210 | 100-499 | ◐ LIKELY ACTIVE |
The Loren Group, LTD. | Wilmington | DE | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
| PIParagon Industries, INC | Sapulpa | OK | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
| 1T105355 - T-b Tube Company Incorporated | Gary | IN | Primary Metal Manufacturing331110 | 20-99 | ◐ LIKELY ACTIVE |
| 9F96402 - Fraser Steel Company | Albertville | MN | Primary Metal Manufacturing331210 | 20-99 | ◐ LIKELY ACTIVE |
| AAccumetrics | Royersford | PA | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
| ADAccu-Tube - Denver | Denver | CO | Primary Metal Manufacturing331210 | 20-99 | ◐ LIKELY ACTIVE |
| AGAction Group INC | Blacklick | OH | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
| ASAdvantage Steel Service, INC. | North Richland Hills | TX | Primary Metal Manufacturing331210 | 20-99 | ◐ LIKELY ACTIVE |
| ATAllied Tube and Conduit | Phoenix | AZ | Primary Metal Manufacturing331210 | 100-499 | ◐ LIKELY ACTIVE |
| ATAtchison Tubular Manufacturing | Atchison | KS | Primary Metal Manufacturing331210 | 20-99 | ◐ LIKELY ACTIVE |
| BSBeverly Steel Corporation | Knoxville | TN | Primary Metal Manufacturing331210 | 20-99 | ◐ LIKELY ACTIVE |
| BBBorusan Berg Pipe | Mobile | AL | Primary Metal Manufacturing331210 | 100-499 | ◐ LIKELY ACTIVE |
| BEBrothers Equipment, INC. | Cleveland | OH | Primary Metal Manufacturing331210 | 20-99 | ◐ LIKELY ACTIVE |
| 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 |
| CMCk Manufacturing, LLC | Lancaster | PA | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |