| SWServa Wichita Falls | Wichita Falls | TX | Machinery Manufacturing333911 | 1-19 | ◐ LIKELY ACTIVE |
| SEShaw Elevator Services LLC | Austin | TX | Machinery Manufacturing333921 | — | ◐ LIKELY ACTIVE |
| SFShear Form, INC | College Sta | TX | Machinery Manufacturing333517 | — | ◐ LIKELY ACTIVE |
| SFShoppa's Farm Supply, INC. | El Campo | TX | Machinery Manufacturing333111 | — | ◐ LIKELY ACTIVE |
| SPSmith Pump Company | Waco | TX | Machinery Manufacturing333911 | 20-99 | ◐ LIKELY ACTIVE |
| STSolar Turbines incorporated DSHO Office | Houston | TX | Machinery Manufacturing333611 | 20-99 | ◐ LIKELY ACTIVE |
| STSolar Turbines Incorporated Odessa District Office | Midland | TX | Machinery Manufacturing333611 | 20-99 | ◐ LIKELY ACTIVE |
| SCSonic Connectors LTD | Midland | TX | Machinery Manufacturing333132 | 100-499 | ◐ LIKELY ACTIVE |
| SSSonic Spooling LTD | Midland | TX | Machinery Manufacturing333132 | 20-99 | ◐ LIKELY ACTIVE |
| SSSouthwest Service Center | Arlington | TX | Machinery Manufacturing333922 | 1-19 | ◐ LIKELY ACTIVE |
| STSpan Tech LLC, TX | Arlington | TX | Machinery Manufacturing333922 | 1-19 | ◐ LIKELY ACTIVE |
| SSSpecialty Supply | Conroe | TX | Machinery Manufacturing333132 | 20-99 | ◐ LIKELY ACTIVE |
Spitzer Industries - Fisher Division | Houston | TX | Machinery Manufacturing333132 | 100-499 | ◐ LIKELY ACTIVE |
Spitzer Industries - Heavy Fabrication Division (HFD) | Houston | TX | Machinery Manufacturing333132 | 100-499 | ◐ LIKELY ACTIVE |
| SSSPM Service Center - Fort Worth | Fort Worth | TX | Machinery Manufacturing333132 | 100-499 | ◐ LIKELY ACTIVE |
| SBStanley Black and Decker Mission | Mission | TX | Machinery Manufacturing333991 | 100-499 | ◐ LIKELY ACTIVE |
| SMStephenville Manufacturing Plant | Stephenville | TX | Machinery Manufacturing333132 | 100-499 | ◐ LIKELY ACTIVE |
| SCSterling Corporate Solutions LLC | Houston | TX | Machinery Manufacturing333415 | — | ◐ LIKELY ACTIVE |
| SBStratasys Belton | Belton | TX | Machinery Manufacturing333248 | 100-499 | ◐ LIKELY ACTIVE |
| SBStrong Bond LLC | El Paso | TX | Machinery Manufacturing333992 | — | ◐ LIKELY ACTIVE |
STULZ Air Technology Systems, Inc. DENTON | Denton | TX | Machinery Manufacturing333415 | 20-99 | ◐ LIKELY ACTIVE |
| SPSulzer Pump Services (US) Inc. | Houston | TX | Machinery Manufacturing333911 | 100-499 | ◐ LIKELY ACTIVE |
| SSunset | Brookshire | TX | Machinery Manufacturing333517 | 100-499 | ◐ LIKELY ACTIVE |
| STSVC-Houston, TX-USA | Houston | TX | Machinery Manufacturing333914 | 20-99 | ◐ LIKELY ACTIVE |
| SLSynedgedrive LLC | Houston | TX | Machinery Manufacturing333998 | — | ◐ LIKELY ACTIVE |
| SPSyzygy Plasmonics Pearland | Houston | TX | Machinery Manufacturing333249 | 20-99 | ◐ LIKELY ACTIVE |
| TGT1 G1 Dallas Solar Module LLC | Wilmer | TX | Machinery Manufacturing333414 | 500+ | ◐ LIKELY ACTIVE |
| TETally Energy Services, LLC | Houston | TX | Machinery Manufacturing333132 | 100-499 | ◐ LIKELY ACTIVE |
| TETAS Energy Inc. Airport | Houston | TX | Machinery Manufacturing333415 | 500+ | ◐ LIKELY ACTIVE |
| TETAS Energy Inc. Fidelity | Houston | TX | Machinery Manufacturing333415 | 100-499 | ◐ LIKELY ACTIVE |
| TETAS Energy-Robin Inc. | Houston | TX | Machinery Manufacturing333415 | 100-499 | ◐ LIKELY ACTIVE |
| TITechnos, Inc. Manufacturing | Schertz | TX | Machinery Manufacturing333413 | 20-99 | ◐ LIKELY ACTIVE |
| TUTeikoku USA Inc - Texas | Houston | TX | Machinery Manufacturing333911 | 20-99 | ◐ LIKELY ACTIVE |
| TPTejas Production Services | Victoria | TX | Machinery Manufacturing333132 | 100-499 | ◐ LIKELY ACTIVE |
| TLTeresa L Kirkpatrick | Muenster | TX | Machinery Manufacturing333112 | — | ◐ LIKELY ACTIVE |
| TTTexarkana Tractor CO | Texarkana | TX | Machinery Manufacturing333111 | — | ◐ LIKELY ACTIVE |
| THTexas Heat Exchange LLC | Irving | TX | Machinery Manufacturing333415 | — | ◐ LIKELY ACTIVE |
| TITexas Industrial Specialties, Inc. | Deer Park | TX | Machinery Manufacturing333914 | 1-19 | ◐ LIKELY ACTIVE |
| TMTexas Manufacturing, INC. | Austin | TX | Machinery Manufacturing333998 | — | ◐ LIKELY ACTIVE |
| TMTexas Microsintering LLC | Austin | TX | Machinery Manufacturing333242 | — | ◐ LIKELY ACTIVE |
| TSTexas Showroom | Dallas | TX | Machinery Manufacturing333999 | 1-19 | ◐ LIKELY ACTIVE |
| TTTexas Turbine, Inc. | Azle | TX | Machinery Manufacturing333611 | 20-99 | ◐ LIKELY ACTIVE |
| TEThe Esab Group INC | Denton | TX | Machinery Manufacturing333992 | — | ◐ LIKELY ACTIVE |
| TTThermosafe Technologies LLC | Plano | TX | Machinery Manufacturing333994 | — | ◐ LIKELY ACTIVE |
| TITitan Instruments Houston | Houston | TX | Machinery Manufacturing333132 | 20-99 | ◐ LIKELY ACTIVE |
| TETotal Equipment & Rental of El Paso LLC | El Paso | TX | Machinery Manufacturing333120 | — | ◐ LIKELY ACTIVE |
| TWTownsend Well Control | Tomball | TX | Machinery Manufacturing333132 | 20-99 | ◐ LIKELY ACTIVE |
| TPTrenton Plastics, Inc. | Trenton | TX | Machinery Manufacturing333249 | 20-99 | ◐ LIKELY ACTIVE |
| TSTriple S Dynamics, Inc | Dallas | TX | Machinery Manufacturing333131 | 20-99 | ◐ LIKELY ACTIVE |
| TTTriveni Turbines Americas, Inc | Houston | TX | Machinery Manufacturing333611 | 1-19 | ◐ LIKELY ACTIVE |