- Radiant Health
- Rady Children's Hospital
- Rainbow Hospice
- Rainbow Hospice and Palliative Care
- Rainbow Hospice Care
- Rainfall Ventures
- Raising Canes Restaurants
- RAND Corporation
- Raymond James Financial
- RBC
- RBC Capital Markets
- RBC Capital Partners
- Red Wheelbarrow Counseling
- Redbanks Nursing Home
- Redesign Health
- RediClinic
- Reflect Ventures
- Reflection Riding Arboretum and Nature Center
- Reflections Hospice and Palliative Care
- Refresh Mental Health