| Name | Region |
|---|---|
| Winno Moscow | Moscow |
| WireCRM | |
| Wiren Board | Moscow |
| WM Project | |
| WMusers.Ru | Moscow |
| WnSoft Ltd | Kirov |
| Work5 | |
| Workle Pro | |
| WoSoft.ru | Moscow |
| Wow digital-agency | Novosibirsk |
| WTware | Moscow |
| X-com shop | Moscow |
| X-drivers.ru | Moscow |
| X7 Research | |
| Xcape | Saint Petersburg |
| Xlogisoft | Moscow |
| XLTools | Saint Petersburg |
| Xmediasoft | Moscow |
| Xost.SU | Moscow |
| XPerience Technologies | Krasnodar |
| XSUD | |
| XTgamers | Moscow |
| XWAY | |
| Yan Maar | |
| Yandex Cloud | |
| Yandex Technologies | Moscow |
| Yandex Webmaster | Moscow |
| YandexDB | |
| Yappi Global | |
| Yell.ru | |
| YgenSoft | Moscow |
| Yota | Moscow |
| Yota Devices | |
| YouDo | |
| YourKit | Saint Petersburg |
| Yoursoft | Moscow |
| Yuri Kudrin's Software | Moscow |
| Y_LAB | |
| Zabota | |
| Zapravockla | Moscow |
| Zaymigo | |
| ZDweb Studio | Tatarstan |
| Zecurion | Moscow |
| ZeroParking | Moscow |
| ZET Astrology Software | Sevastopol |
| ZEVS | |
| Zimalab | Novosibirsk |
| Ziost | Sevastopol |
| ZNet - IT-аутсортинг | Moscow |
| ZOOM TV |