| South Western Communications, Inc. |
Technology and security solutions |
Information Technology |
| Spectrum |
Cable television |
Contact Centers, Information Technology |
| SS&C Technologies Holdings, Inc. |
Financial and healthcare services (multiple business units) |
Contact Centers, Financial Services, Information Technology |
| Stowers Institute for Medical Research |
Biomedical research center (Hdq.) |
Bioscience, Headquarters, Information Technology |
| T-Mobile |
Telecommunications (Hdq.) |
Headquarters, Information Technology |
| TEKsystems |
IT consulting |
Information Technology |
| Thales ATM, Inc. |
Navigation & communication equip. |
Information Technology |
| Thermo Fisher Scientific |
Microbiology media products mfg. |
Bioscience, Manufacturing, Information Technology |
| Thryv |
Digital marketing solutions |
Contact Centers, Information Technology |
| Torch.AI |
Large data analysis software (Hdq.) |
Headquarters, Information Technology |
| Torotel, Inc. |
Electronic devices mfg. |
Information Technology |
| TreviPay |
Global B2B payments (Hdq.) |
Contact Centers, Financial Services, Headquarters, Information Technology |
| Trozzolo Communications Group |
Marketing communications firm (Hdq.) |
Headquarters, Information Technology |
| Tyler Technologies, Inc. |
Online, computer services-governmental |
Information Technology |
| Unite Private Networks |
Telecommunications (Hdq.) |
Headquarters, Information Technology |
| UnitedLex Corporation |
Technology powered legal and business solutions (Hdq.) |
Headquarters, Information Technology |
| Universal Account Servicing LLC |
Fintech |
Contact Centers, Financial Services, Information Technology |
| Valorem Reply |
Consulting services in user experience, cloud analytics, and mixed reality (Hdq.) |
Headquarters, Information Technology |
| Velociti Inc. |
Wireless tech for transportation industry (Hdq.) |
Contact Centers, Headquarters, Information Technology |
| Viagio Technologies |
Technology services |
Information Technology |