- ianacare
- Icahn School of Medicine
- Idaho Health Continuum of Care Alliance
- IDEO
- Ihrig & Associates
- Ihrig MD and Associates
- Illinois Bell Telephone
- Illinois Hospice and Palliative Care Organization
- Illinois Masonic Medical Center
- IllumiCare
- Imaginary Ventures
- Imagine Healthcare
- Imperial College London
- In Their Honor
- In Touch Hospice
- in90Group
- Inc. Magazine
- Independence Blue Cross
- Indian Health Service (IHS)
- Indiana Association for Home & Hospice Car