- WVU Medicine J. W. Ruby Memorial Hospital
- WVU Medicine Jackson General Hospital
- WVU Medicine Jefferson Medical Center
- WVU Medicine Potomac Valley Hospital
- WVU Medicine Princeton Community Hospital
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- WVU Medicine St. Joseph's Hospital
- WVU Medicine Summersville Regional Medical Center
- WVU Medicine Thomas Hospitals
- WVU Medicine Uniontown Hospital
- WVU Medicine United Hospital Center
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- Wyckoff Heights Medical Center
- Wyeth
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- Wyndham Hotel
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- Wyndham International
- Wyoming County Community Hospital
- Wyoming County United Way
- Wyoming Medical Center
- Wythe County Community Hospital
- X-TEL Communications
- Xerimis, Inc.
- Xerox
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- Xerox Global Services
- Xerox-AMAT Manufacturing
- Xpedite
- Yahoo!
- Yale New Haven Health Westerly
- Yale New Haven Hospital
- Yamaha
- Yamhill County
- Yavapai College
- Yavapai Regional Medical Center
- Yazoo Valley Electric Power Association
- Yellow Book USA
- Yellowstone County Commissioners
- Yes Utah
- YMCA Northwest North Carolina
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- YMCA of Metropolitan Columbus, GA
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- YMCA Pittsburgh
- YMCA Thomson