| Name | Region |
|---|---|
| Whatson Web | Nord |
| Whispeak | |
| WhiteLab Genomics | |
| Whodunit | |
| Whoz | |
| Wibby | |
| Wiconnect S.A.R.L. | Orne |
| WiDiD | |
| Wifirst | Paris |
| Wifiz | |
| WIIO | |
| Wiis | |
| WiiSmile | |
| WiiZone | Gard |
| Wikit | |
| WIKO | |
| Wilab Technology | Métropole de Lyon |
| WILCO | Paris |
| Wild Code School | Gironde |
| Wimifi | Loire |
| Win and Web | Yvelines |
| Win Novation Informatique | Loire-Atlantique |
| Win&Soft | Eure-et-Loir |
| win-design.com | Bouches-du-Rhône |
| Winch | Paris |
| Wind | |
| Windoo | |
| Wineriz | |
| Winjob | Oise |
| WinLassie | Rhône |
| Wino Technologies S.A.S. | |
| Winoptics S.A.R.L. | Aube |
| Wintics | |
| Wintrans | Bouches-du-Rhône |
| Wise Integration | |
| Wise.Cloud | |
| Wisear | |
| Wiseed | Haute-Garonne |
| Wisembly | |
| Wiseone | |
| WISPOT France | Hérault |
| Wistee S.A.S. | Val-d'Oise |
| Witco | |
| Witekio | Métropole de Lyon |
| With | Loire-Atlantique |
| Withings | |
| Wity | |
| Wixar | |
| Wizaplace | |
| Wizbii |