| RRichardson | Richardson | TX | Computer and Electronic Product Manufacturing334413 | 20-99 | ◐ LIKELY ACTIVE |
| RCRise Commodities LLC | Baytown | TX | Computer and Electronic Product Manufacturing334516 | — | ◐ LIKELY ACTIVE |
| RTRmj Technologies Tx, INC. | Sugar Land | TX | Computer and Electronic Product Manufacturing334220 | — | ▲ REPORTED CLOSED |
| RRoundrock | Round Rock | TX | Computer and Electronic Product Manufacturing334290 | 20-99 | ◐ LIKELY ACTIVE |
| RSRuby Signs LLC | Houston | TX | Computer and Electronic Product Manufacturing334515 | — | ◐ LIKELY ACTIVE |
| RNRumedical Nova Limited Liability CO | Austin | TX | Computer and Electronic Product Manufacturing334111 | — | ◐ LIKELY ACTIVE |
| SASamsung Austin Semiconductor LLC (Parmer) | Austin | TX | Computer and Electronic Product Manufacturing334413 | 100-499 | ◐ LIKELY ACTIVE |
| SASamsung Austin Semiconductor LLC (Taylor) | Taylor | TX | Computer and Electronic Product Manufacturing334413 | 500+ | ◐ LIKELY ACTIVE |
| SASan Antonio | San Antonio | TX | Food Manufacturing311920 | 1-19 | ◐ LIKELY ACTIVE |
| SXSchunk Xycarb Technology | Georgetown | TX | Computer and Electronic Product Manufacturing334419 | 20-99 | ◐ LIKELY ACTIVE |
| SVSedona Visual Controls | Austin | TX | Computer and Electronic Product Manufacturing334513 | — | ◐ LIKELY ACTIVE |
| SMSEG Manufacturing, Inc | 10625 Telge Rd | TX | Computer and Electronic Product Manufacturing334413 | 100-499 | ◐ LIKELY ACTIVE |
Seirrowon Labs, INC. | Austin | TX | Computer and Electronic Product Manufacturing334220 | — | ◐ LIKELY ACTIVE |
| SISemergytech, INC. | Arlington | TX | Computer and Electronic Product Manufacturing334413 | — | ◐ LIKELY ACTIVE |
| SSShearman-pease Scale and Equipment Company, INC. | El Paso | TX | Computer and Electronic Product Manufacturing334513 | — | ◐ LIKELY ACTIVE |
| SSherman | Denison | TX | Computer and Electronic Product Manufacturing334413 | 1-19 | ◐ LIKELY ACTIVE |
| SSherman | Sherman | TX | Nonmetallic Mineral Product Manufacturing327320 | 500+ | ◐ LIKELY ACTIVE |
| SMSherman Manufacturing | Sherman | TX | Computer and Electronic Product Manufacturing334413 | 100-499 | ◐ LIKELY ACTIVE |
| SLSigbitz LLC | Plano | TX | Computer and Electronic Product Manufacturing334515 | — | ◐ LIKELY ACTIVE |
| SXSilicon X Corporation | Austin | TX | Computer and Electronic Product Manufacturing334413 | — | ◐ LIKELY ACTIVE |
| SISintela INC | Houston | TX | Computer and Electronic Product Manufacturing334290 | — | ▲ REPORTED CLOSED |
| STSkyWater Technology | Austin | TX | Computer and Electronic Product Manufacturing334413 | 500+ | ◐ LIKELY ACTIVE |
| SSSkyworks Solutions, Inc. - Austin, TX | Austin | TX | Computer and Electronic Product Manufacturing334413 | 100-499 | ◐ LIKELY ACTIVE |
Smiths Interconnect - Irving | Irving | TX | Computer and Electronic Product Manufacturing334417 | 20-99 | ◐ LIKELY ACTIVE |
| SSomerville | Somerville | TX | Computer and Electronic Product Manufacturing334290 | 1-19 | ◐ LIKELY ACTIVE |
| SCSOR Controls Group Houston | Houston | TX | Computer and Electronic Product Manufacturing334513 | 20-99 | ◐ LIKELY ACTIVE |
| SCSouth Central Regional Office (SCN) | Missouri City | TX | Computer and Electronic Product Manufacturing334516 | 20-99 | ◐ LIKELY ACTIVE |
| STSouth Texas Cellular Services INC | Beaumont | TX | Computer and Electronic Product Manufacturing334220 | — | ◐ LIKELY ACTIVE |
Splave LLC | Austin | TX | Computer and Electronic Product Manufacturing334111 | — | ◐ LIKELY ACTIVE |
| SMSti Manufacturing, INC. | Willis | TX | Computer and Electronic Product Manufacturing334513 | — | ◐ LIKELY ACTIVE |
| SEStrategic Enterprise Architects, LLC | Amarillo | TX | Computer and Electronic Product Manufacturing334513 | — | ◐ LIKELY ACTIVE |
| SBStruck-tured By Kave-man LLC | Blue Ridge | TX | Computer and Electronic Product Manufacturing334419 | — | ◐ LIKELY ACTIVE |
| SPSystems & Processes Engineering CORP | Austin | TX | Computer and Electronic Product Manufacturing334112 | — | ▲ REPORTED CLOSED |
| TRTdk Rf Solutions INC. | Cedar Park | TX | Computer and Electronic Product Manufacturing334515 | — | ◐ LIKELY ACTIVE |
| TCTempest Coppell | Coppell | TX | Computer and Electronic Product Manufacturing334220 | 20-99 | ◐ LIKELY ACTIVE |
| TTTervo Tech LLC | San Antonio | TX | Computer and Electronic Product Manufacturing334516 | — | ◐ LIKELY ACTIVE |
| TLTestac, LLC | Austin | TX | Computer and Electronic Product Manufacturing334515 | — | ◐ LIKELY ACTIVE |
| TITexas Instruments Federal LLC | Dallas | TX | Computer and Electronic Product Manufacturing334413 | — | ◐ LIKELY ACTIVE |
Thalion Biosciences, INC | Liberty Hill | TX | Computer and Electronic Product Manufacturing334516 | — | ◐ LIKELY ACTIVE |
| TIThermo/Probes, Inc. | Houston | TX | Computer and Electronic Product Manufacturing334513 | 20-99 | ◐ LIKELY ACTIVE |
| T1Tier 1 Supply LLC | Conroe | TX | Computer and Electronic Product Manufacturing334290 | — | ◐ LIKELY ACTIVE |
| TTomball | Tomball | TX | Computer and Electronic Product Manufacturing334513 | 20-99 | ◐ LIKELY ACTIVE |
Transdata, INC. | Carrollton | TX | Computer and Electronic Product Manufacturing334515 | — | ◐ LIKELY ACTIVE |
| TLTubewriter, LLC | Austin | TX | Computer and Electronic Product Manufacturing334118 | — | ◐ LIKELY ACTIVE |
| TATx189 Abaco Systems INC. | Austin | TX | Computer and Electronic Product Manufacturing334111 | 20-99 | ◐ LIKELY ACTIVE |
| THTx-afw - H3m | Fort Worth | TX | Computer and Electronic Product Manufacturing334419 | 20-99 | ◐ LIKELY ACTIVE |
| TNTX North Richland Hills | North Richland Hills | TX | Computer and Electronic Product Manufacturing334513 | 100-499 | ◐ LIKELY ACTIVE |
| TTX-Richardson | Richardson | TX | Computer and Electronic Product Manufacturing334515 | 20-99 | ◐ LIKELY ACTIVE |
| UAUCT Austin Techridge | Austin | TX | Computer and Electronic Product Manufacturing334413 | 500+ | ◐ LIKELY ACTIVE |
| UFUnited Flow Technologies | Irving | TX | Computer and Electronic Product Manufacturing334513 | 100-499 | ◐ LIKELY ACTIVE |