| Name | Region |
|---|---|
| Webstore S.A.R.L. | Alpes-Maritimes |
| Webstratege | |
| Webu | Isère |
| Web^ID | |
| Wechooz | |
| Wedotibetter | |
| Weebox | Paris |
| Weeby | |
| WeeChat | Paris |
| WeeDesign | |
| WeeFin | |
| Weelogic | Côtes-d'Armor |
| Weelogic Brocéliande | Ille-et-Vilaine |
| Weenat | |
| Weevup | |
| Weezevent | |
| Weezual | Jura |
| Wefight | |
| Weglot | |
| Welcome by Lila | |
| Welcome to the Jungle | |
| Welcomeurope | |
| Welinq | |
| Weliom | |
| Wellcom | Paris |
| Wellpack | Val-de-Marne |
| WeLoveDevs.com | |
| Welyb | |
| WeMaintain | |
| Wemap S.A.S. | |
| WendelGroup | |
| Wepredic | |
| Weproc | |
| Werkstatt | |
| Werkstatt | |
| Wertronic | Paris |
| WES'SUP | |
| WeSave | |
| Wess Soft | |
| West Web Valley | Finistère |
| West-WebWorld | Loire-Atlantique |
| WESTcom | Morbihan |
| Westpoint | Paris |
| Wever S.A.S. | |
| WeWard | |
| Wewebcom | |
| WEXIM | Paris |
| Wexlog Technologies | Paris |
| Whaly | |
| WHAT (games) |