- William Therm srl
- Williams Burton Leopardi
- Williamson Williamson
- Willis GmbH & Co.KG
- Willis Klein Showrooms - Lexington
- Willis Klein Showrooms - Louisville
- Willisau
- WILLLIAM ARREDAMENTI
- Willowlamp Studio
- Willy Meyer + Sohn GmbH + Co. KG
- Willy Naessens Swimmingpools
- Willy Sulwyn
- Willy Vastiau
- WILLYTEC PRODUCTION di Bernardini William
- WILMAR
- wilmar
- WILMERCHACASTUDIO
- Wilmotte & Associés S.A.
- Wilo Headquarters
- WILO Italia
- WILROBI SPOLKA Z O.O.
- Wilsin Office Furniture (S) Pte Ltd
- Wilson & Morris
- Wilson Architects
- Wilson Associates
- Wilson Holloway
- Wilson Ishihara Design