| # | Name | Location | Applications |
|---|---|---|---|
| 1. | T-System Technologies, Ltd. | 🇺🇸 Dalla, TX, United States | 1 |
| 2. | T-System, Inc. | 🇺🇸 Dallas, TX, United States | 6 |
| 3. | T-SYSTEMS INTERNATIONAL GMBH | 🇩🇪 FRANKFURT AM MAIN, Germany | 1 |
| 4. | T-Systems International, Inc. | 🇺🇸 San Diego, CA, United States | 1 |
| 5. | TSYMM INNOVATIONS LLC | 🇺🇸 Wynnewood, PA, United States | 3 |
| 6. | TSYS Acquiring Solutions, L.L.C. | 🇺🇸 Tempe, AZ, United States | 3 |
| 7. | TSYS Acquisition Corp. | 🇺🇸 Annapolis, MD, United States | 1 |