| 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 |
| 2R2700 Real Estate Holdings | Elkhart | IN | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| ASAbingdon Steel, INC. | Abingdon | VA | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| ATAccu Tube Corporation | Englewood | CO | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| ASAcosta Sheet Metal Mfg INC | San Jose | CA | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| ACAlaskan Copper & Brass CO Ctl | Seattle | WA | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| ATAlliance Tubular Holdings LLC | Dixmoor | IL | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| ATAllied Tube & Conduit CORP | Morrisville | PA | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| ATAllied Tube & Conduit Corp/norcom | Philadelphia | PA | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| AEAmco Engineering CO | Schiller Park | IL | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| ASAmerican Stair CORP | Romeoville | IL | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| ATAmerican Tube Manufacturing, INC. | Birmingham | AL | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
Api Heat Transfer INC. | Montgomery | AL | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| ATAtlas Tube-blytheville Plant | Armorel | AR | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| BMBarbay Machine Works | Beaumont | TX | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| BBB & B Pipe & Tool Company | Long Beach | CA | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| BFBeaver Falls Tubular Prodllc/beaver Falls Plt | Beaver Falls | PA | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |