- Washington Home Care Association
- Washington Post
- Washington University
- Waterfront Health Care Center
- Waud Capital Partners
- Waveny LifeCare Network
- Waverly Care
- WBUR
- WCAS
- WebMD
- Webster Capital
- Weill Cornell Medical College
- WEL-Home Health
- WelbeHealth
- Welch Allyn
- Welcome Health
- Well Care Health
- Well Care Home Health
- Well Care Home Health Inc.
- WellBe Senior Medical