- World Hospital at Home Congress
- Wright & Filippis
- WSIU
- WTWH Media
- Wuesthoff Progressive Care Center
- Xerox
- XL Hospice
- XSeed Capital
- Y Combinator
- Yale
- Yale New Haven Hospital
- Yale School of Public Health
- Yale University
- Yale University School of Medicine
- Yankee Institute for Public Policy
- Yeshiva University
- Yext
- Young Presidents Organization
- Your Choice Health Care Group
- Your Home Advantage