 Thomas Reprographics, INC. | Houston | TX | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| TSThompson Scale Company | Houston | TX | Machinery Manufacturing333997 | — | ◇ UNVERIFIED |
| TVThorin's Viking LLC | Houston | TX | Beverage and Tobacco Product Manufacturing312140 | — | ◇ UNVERIFIED |
| TCTillman Container | Houston | TX | Fabricated Metal Product Manufacturing332439 | — | ◇ UNVERIFIED |
| TTiss | Houston | TX | Machinery Manufacturing333517 | — | ◇ UNVERIFIED |
| TMTitan Manufacturing, Inc. | Houston | TX | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| TTTitan Trailer Co LLC | Houston | TX | Transportation Equipment Manufacturing336212 | — | ◇ UNVERIFIED |
| TITitex, INC. | Houston | TX | Plastics and Rubber Products Manufacturing326111 | — | ◇ UNVERIFIED |
| TCTnemec Company, INC. | Houston | TX | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
 Tns Industries INC. | Houston | TX | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| TTTomfoolery Toys, INC | Houston | TX | Miscellaneous Manufacturing339930 | — | ◇ UNVERIFIED |
| TSTorque Systems Specialties INC | Houston | TX | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| TUTorusa United Bakery Center | Houston | TX | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| TKTrailer King Builders | Houston | TX | Transportation Equipment Manufacturing336212 | — | ◇ UNVERIFIED |
| TCTri-supply Company | Houston | TX | Wood Product Manufacturing321911 | — | ◇ 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 |
| TTTrue Texas Concrete LLC | Houston | TX | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| TRTtt Rei, LLC | Houston | TX | Transportation Equipment Manufacturing336390 | — | ◇ 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 |
| TPTx Printing, INC. | Houston | TX | Printing and Related Support Activities323110 | — | ◇ UNVERIFIED |
| TVTyco Valves & Controls L P | Houston | TX | Fabricated Metal Product Manufacturing332911 | — | ◇ UNVERIFIED |
 Ultimate Linings | Houston | TX | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| UPUnderground Products, Inc. | Houston | TX | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| UIUnited Interiors INC | Houston | TX | Furniture and Related Product Manufacturing337125 | — | ◇ UNVERIFIED |
| UMUnited Machine Works | Houston | TX | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| UMUnited Metal Services | Houston | TX | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| UBUnitex Bag, INC. | Houston | TX | Textile Product Mills314911 | — | ◇ UNVERIFIED |
| USU.s. Steel Tubular Products | Houston | TX | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| UGUtility Global | Houston | TX | Chemical Manufacturing325120 | — | ◇ UNVERIFIED |
| VTVallourec Tube Alloy | Houston | TX | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| VDVam Drilling USA INC | Houston | TX | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| VIVanderleij Industries, LLC | Houston | TX | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| VMVanguard Metal Technologies | Houston | TX | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| VTVenostent - Tmc Innovation Factory - Suite B | Houston | TX | Miscellaneous Manufacturing339113 | — | ◇ UNVERIFIED |
| VSVentilation Services, INC | Houston | TX | Machinery Manufacturing333318 | — | ◇ UNVERIFIED |
| VUVerope USA | Houston | TX | Fabricated Metal Product Manufacturing332618 | — | ◇ UNVERIFIED |
| VGVetco Gray | Houston | TX | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| VHVeterans Hydraulic Service, LLC | Houston | TX | Machinery Manufacturing333995 | — | ◇ UNVERIFIED |
| VLVexapak, LLC | Houston | TX | Petroleum and Coal Products Manufacturing324191 | — | ◇ UNVERIFIED |
| VAVictoria Air Sep Plant | Houston | TX | Chemical Manufacturing325120 | — | ◇ UNVERIFIED |
| VSViking Supply | Houston | TX | Machinery Manufacturing333999 | — | ◇ UNVERIFIED |
 Visual Comfort & CO. | Houston | TX | Electrical Equipment, Appliance & Component Manufacturing335121 | — | ◇ UNVERIFIED |
| VLVivaldi Lifestyles | Houston | TX | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| VIViviana Investments LLC | Houston | TX | Food Manufacturing311811 | — | ◇ UNVERIFIED |
| VGVsteel Group, Inc. | Houston | TX | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| WSWachs Subsea LLC | Houston | TX | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
