By client
- WACKER Group
- Wallenius Wilhelmsen Logistics (WWL)
- Wander AG
- Waxie Sanitary Supply
- WAZ Media Group
- Webb
- WebCrew, Inc.
- wehkamp.nl
- Welch Foods Inc.
- Wellcome Trust Sanger Institute
- Werner & Mertz GmbH
- Wesley Research Institute (WRI)
- West Asset Management
- West Corporation
- Westergaard Management
- Western Federal Credit Union
- Western North Carolina Health Network
- Western Power Distribution
- Westfield Insurance
- Westfleisch e.G.
- West Haven Police Department
- WestJet
- Westmont College
- Westpac New Zealand
- Westside Produce
- West Sussex County Council
- West Virginia University Hospitals
- West Virginia University
- Whirlpool Corporation
- WIBERG
- Wichita State University
- WIdO (Wissenschaftliches Institut der AOK)
- Wiener Tafel
- Wietersdorfer Group
- Wilhelm-Conrad-Roentgen Gesamtschule in Gemeinde Panketal, Germany
- Wimbledon Tennis Championships
- Wimbledon
- Windsor-Essex
- Wine Warehouse
- winnovation
- Woonbedrijf SWS
- Workday, Inc.
- Workers’ compensation insurance provider
- WorkSafe Victoria
- Wüstenrot & Württembergische AG
- Wurth Gruppe
- Wyeth Pharmaceuticals