| SDSuperior Drillpipe Manufacturing | Houston | TX | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| TCTejas Casing | Houston | TX | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| TTTejas Tubular Products | Houston | TX | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| TATexas Arai | Houston | TX | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| TMTexas Metal Tech | Houston | TX | Fabricated Metal Product Manufacturing332323 | — | ◇ UNVERIFIED |
| TSTexas Steel Conversion INC | Houston | TX | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| TSTexas Stell Conversion Almeda Rd Facility | Houston | TX | Fabricated Metal Product Manufacturing332811 | — | ◇ UNVERIFIED |
| TWThe Walworth CO | Houston | TX | Fabricated Metal Product Manufacturing332919 | — | ◇ UNVERIFIED |
| TBThomas & Betts CORP | Houston | TX | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| TCTillman Container | Houston | TX | Fabricated Metal Product Manufacturing332439 | — | ◇ UNVERIFIED |
 Tns Industries INC. | Houston | TX | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| TUTorusa United Bakery Center | Houston | TX | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| TSTrojan Steel, LLC | Houston | TX | Fabricated Metal Product Manufacturing332311 | — | ◇ UNVERIFIED |
| TSTrs Services - 2015 Site | Houston | TX | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| TSTR Strong Industrial Inc | Houston | TX | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| TVTuboscope Vetco International INC | Houston | TX | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| TSTubular Solutions | Houston | TX | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| TMTujays Machine Works, INC. | Houston | TX | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| TVTyco Valves & Controls L P | Houston | TX | Fabricated Metal Product Manufacturing332911 | — | ◇ UNVERIFIED |
| UPUnderground Products, Inc. | Houston | TX | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| UMUnited Machine Works | Houston | TX | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| UMUnited Metal Services | Houston | TX | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| VTVallourec Tube Alloy | Houston | TX | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| VMVanguard Metal Technologies | Houston | TX | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| VUVerope USA | Houston | TX | Fabricated Metal Product Manufacturing332618 | — | ◇ UNVERIFIED |
| VGVsteel Group, Inc. | Houston | TX | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| WSWachs Subsea LLC | Houston | TX | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| WSWachs Subsea, LLC | Houston | TX | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| WEWeldfit Energy Group | Houston | TX | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| WFWestern Falcon | Houston | TX | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| WTW - Technology, INC. | Houston | TX | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
