- ProMedica Senior Care
- ProperCare
- Prospect Medical Holdings Inc.
- Prospero Health
- Prosus Ventures
- Protein Sciences Corporation
- Proteus
- Providence
- Providence Care
- Providence Health & Services
- Providence Service Corporation
- Providence St. Joseph
- Providence St. Joseph Health
- Providence Ventures
- Providence Veterans Affairs Medical Center
- Provident Healchare Partners
- Provident Healthcare Partners
- Providia Home Care
- Provista
- Prudential Retirement