| SISercel, INC | Houston | 100–499 | ● ACTIVE |
Sheetak INC | Austin | 1–19 | ● ACTIVE |
| SMSierra Microwave Technology, LLC | Georgetown | — | ● ACTIVE |
Sihalla Zakaria | Round Rock | 1–19 | ● ACTIVE |
| SHSilicon Hills Design, INC | Austin | — | ● ACTIVE |
Simply Nuc INC. | Round Rock | 20–99 | ● ACTIVE |
Softplc Corporation | Spicewood | 1–19 | ● ACTIVE |
| SISonatest INC | San Antonio | 1–19 | ● ACTIVE |
Spea America, L.l.c. | Tyler | 20–99 | ● ACTIVE |
Systel INC | Sugar Land | 20–99 | ● ACTIVE |
Tecal Manufacturing, L.l.c | El Paso | 1–19 | ● ACTIVE |
Tecmag, INC. | Houston | 1–19 | ● ACTIVE |
Te Instruments Usa, LLC | Houston | 1–19 | ● ACTIVE |
| TITekmos, INC. | Austin | 1–19 | ● ACTIVE |
| TITeledyne Instruments, INC. | Houston | 100–499 | ● ACTIVE |
Tellabs Enterprise INC | Carrollton | 20–99 | ● ACTIVE |
Tenstorrent Usa, INC | Austin | 100–499 | ● ACTIVE |
Texas Aerospace Technologies, LLC | Abilene | — | ● ACTIVE |
| TITexas Instruments Incorporated | Dallas | — | ● ACTIVE |
Texas Mgt Associates INC | San Antonio | 1–19 | ● ACTIVE |
| TPTexas Photonics INC | Rowlett | 1–19 | ● ACTIVE |
Turnamatic Machine INC | Richardson | — | ● ACTIVE |
Uhu Technologies LLC | Richardson | 20–99 | ● ACTIVE |
Venkel LTD | Austin | 20–99 | ● ACTIVE |
Wildcat Technologies LLC | Humble | 1–19 | ● ACTIVE |
Zls Corporation | Austin | 1–19 | ● ACTIVE |
1st Detect Corporation | Austin | — | ● ACTIVE |
460 Tech LLC | San Antonio | — | ● ACTIVE |
| AIAbq Industrial, LP | Tomball | — | ● ACTIVE |
Abstract Engineering, INC | Austin | — | ● ACTIVE |
Accelerator Technology CORP. | College Station | — | ● ACTIVE |
Adom Industries, INC. | Fort Worth | — | ● ACTIVE |
Advanced Hf Solutions INC. | Oakwood | — | ● ACTIVE |
Advanced Telesensors INC | Austin | — | ● ACTIVE |
Airr Engineering, LLC | Mckinney | — | ● ACTIVE |
Airspan Networks INC. | Plano | — | ● ACTIVE |
Akyor LLC | San Marcos | — | ● ACTIVE |
Ald Systems, INC. | Pflugerville | — | ● ACTIVE |
Ali Acquisitions LLC | Arlington | — | ● ACTIVE |
Allen Control Systems, INC. | Austin | — | ● ACTIVE |
All Quality & Services, Inc. | Garland | 20–99 | ● ACTIVE |
| ATAmagi Tx LLC | Houston | — | ● ACTIVE |
Anoison Electronics, LLC | Dripping Springs | — | ● ACTIVE |
Apex Connectivity Solutions LLC | Merkel | — | ● ACTIVE |
Apogee Semiconductor, INC. | Plano | — | ● ACTIVE |
Applied Nanofluorescence, LLC | Houston | — | ● ACTIVE |
Applied Optical Systems INC | Plano | — | ● ACTIVE |
| AIArion International INC | Lavon | — | ● ACTIVE |
Arovia, INC. | Houston | — | ● ACTIVE |
Ascend Electronics INC | Eustace | — | ● ACTIVE |