- Kain Capital
- Kaiser Family Foundation
- Kaiser Foundation Health Plan
- Kaiser Health Foundation
- Kaiser Health News
- Kaiser Permanente
- Kaiser Permanente Colorado
- Kaiser Permanente Health System
- Kaiser Permanente Northwest Continuing Care Services
- Kaiser Permanente Ventures
- Kanarek Family Foundation
- KangarooKidz
- Kansas Palliative Care and Quality of Life Interdisciplinary Advisory Council
- Kantime
- Kapersky
- Kara Health
- Kaua‘i Hospice
- Kavanagh House
- Kaweah Health Hospice
- Kaweah Health Hospital Foundation