• WATERS CORPORATION
• WIDA - Waterford Intellectual Disability Association
• WIndward Management
• WP Engine (US)
• WSP Global Inc
• Walkers
• Wallace Myers International
• Walters People
• Ward Personnel Ltd
• Wasdell Group - Wasdell Packaging Group
• WaterWipes (Irish Breeze)
• Waterford Institute Of Technology
• Wayfair LLC

• Web Summit
• Webdoctor.ie
• Webrecruit
• Weener Plastics Ltd
• Wellington Professional Recruitment
• Wells Fargo & Company
• West Pharmaceutical Products Ireland
• West Wood Club - West Wood Club limited
• WestRock group
• Westbourne IT Global Services
• Westcare Homecare Ltd.
• Western Care Association
• Western Union

• Westerwood Global
• Westgrove Hotel
• Westport Hotel Group
• White Edge Garden Construction
• White Sands Hotel
• Whitehall Resources
• Whitford House Hotel
• Wicklow Arms
• Willcox Matthews Ltd
• William Fry
• Willis Towers Watson
• Wills Bros Ltd.
• Windmill Healthcare

• Windsor Motor Group
• Winthrop Engineering & Contracting Ltd
• Wipro Limited
• Wisetek
• Wix
• Wolfgang Digital
• Woodbrook Care
• Work Fusion
• Workday, Inc
• Workhuman
• World of Tiles
• Wow Burger - Dollard & Co Building
• WuXi Biologics Ltd.