- WS Reformer GmbH
- WSA - Web & Software Applications
- WSAA Design Team
- WSC Engineering
- WSH GmbH
- W-Siedler Türautomatik
- WSP Architects
- Wsp Group
- WSP360
- wspit
- WST ITALIA
- WST Wood Stone & Tecnology
- WT AWARD
- Wt Partnership Italia s.r.l.
- WTF Arquitectos
- wts
- WTStudioTOSTO
- WUDA
- Wueffe s.r.l.
- WUEFFE SRL
- Wuerth
- Wuhan Wanpeng Science & Technology Co., Ltd.
- WuHu MO QI Home Culture Co
- Wulf Architekten
- WUNDER SNC
- Wunderlabel
- Wünsche GmbH