| Name | Region |
|---|---|
| ThrustMe | |
| Thurmelec | Haut-Rhin |
| Ti-ker Net | Côtes-d'Armor |
| Ti-Text S.A.S. | Charente-Maritime |
| Tiaris | Moselle |
| Tibot | |
| Tiempo Secure | Isère |
| TIIE | Indre-et-Loire |
| Tiime | |
| Tikehau Ace Capital | |
| Tilak Healthcare S.A.S. | |
| Tilbury | Paris |
| Tilkee | Isère |
| TIMCI | Alpes-Maritimes |
| Timcod | Yvelines |
| Timenjoy | |
| Timezero | Pyrénées-Atlantiques |
| Timmxware | Seine-Saint-Denis |
| Timocom GmbH | |
| Tinubu Square S.A. | |
| Tinyclues | Paris |
| Tionis | |
| TIP46 | Lot |
| Tiptel S.A.R.L. | Yvelines |
| TIRCIS | Essonne |
| Tiscom | Marne |
| Tissium | |
| Tissue Dynamics | |
| Titanium Software | |
| Tixeo | Hérault |
| TKS Informatique | Oise |
| TKT | |
| TLTI | Paris |
| TMIC Ellipses | Haute-Garonne |
| TMM Communication | Yvelines |
| TMPI | Haute-Garonne |
| TNE.fr | Ain |
| To be online | Hauts-de-Seine |
| TOBAM | |
| Tohtem Maker | |
| Toile de fond | Orne |
| Toile Libre | Paris |
| Tolède | Aube |
| Tollys | |
| Toltech | Eure |
| TOLV | |
| TONNA Électronique | Marne |
| TonyVista Informatique | Morbihan |
| Tooeasy | |
| Toolee S.A.S. |