- Pfizer
- PharMerica
- PharmScript
- PHI
- PHI National
- Philadelphia Inquirer
- Philip Health Services
- Philips
- Philosophy Care Group
- Phoenix Center for Rehabilitation and Pediatrics
- Pi Architects
- Piedmont
- Pillar Financial
- Pine Haven Nursing and Rehabilitation Center
- Pine Journal
- Pines of Sarasota Foundation
- Pinnacle Group
- Pinnacle Group of Hudson Valley
- Pinnacle Nursing and Rehab
- Pinnacle Quality Insight