| TDT AG | Bavaria |
| TDWsoft GmbH & Co. KG | Baden-Württemberg |
| TEAM Computer GmbH | North Rhine-Westphalia |
| Team Digital GmbH | |
| Team Europe Ventures Management GmbH | Berlin |
| Team Global Management GmbH | |
| Team Global Management GmbH | |
| TEAM GmbH | North Rhine-Westphalia |
| Team Internet AG | Bavaria |
| Team Neusta GmbH | Bremen |
| Team-worX – IT Services | Hamburg |
| Team23 GbR | Bavaria |
| team4media GmbH | Lower Saxony |
| team:orange GbR | Baden-Württemberg |
| TeamBank AG | Bavaria |
| Teambits GmbH | Hesse |
| teambits GmbH | |
| TEAMCONSULT GmbH | |
| Teamnet GmbH | North Rhine-Westphalia |
| TeamOS/2 Hamburg e.V. | Hamburg |
| Teamplace | Berlin |
| teamspace | Hesse |
| teamtechnik Maschinen und Anlagen GmbH | Baden-Württemberg |
| TeamThink GbR | Schleswig-Holstein |
| TeamViewer | |
| Teamware GmbH | Bavaria |
| TeamWiSE GmbH | North Rhine-Westphalia |
| TEBA Kreditbank GmbH & Co. KG | |
| TEC Microsystems GmbH | Berlin |
| tec-promotion GmbH | Bavaria |
| TEC-SAS GmbH | North Rhine-Westphalia |
| tec2date GmbH | Hesse |
| TecAlliance | |
| TecChannel | Bavaria |
| TECDATA e.K. | North Rhine-Westphalia |
| Tech Job Wall | |
| Tech Jobs Fair | |
| Tech Open Air | Berlin |
| Tech Soft GmbH | Berlin |
| Tech Ventures GmbH | |
| Tech-Arrow GmbH | |
| Tech-Shuttle | Berlin |
| tech@vision GmbH | |
| TechAcute | |
| TechBehemoths | |
| Techbros GmbH | |
| Techconsult GmbH | |
| TechDivision GmbH | Bavaria |
| TechDo GmbH | |
| Techfounders | |