- PMC Association
- PMX Industries, Inc.
- PNC Financial Services Group
- PNM Resources, Inc.
- Pocahontas Community Hospital
- Pocahontas County
- Pocahontas Memorial Hospital
- Pocono Medical Center
- Podiatric Surgical Associates
- Pogo Producing Company
- Poinciana Medical Center
- Point Park University
- Point South Mountain Resort
- Pointe Coupee Parish
- Pointe Coupee Parish Police Jury
- Pointe Estero Beach Resort - Sunstream Hotels and Resorts
- Polaris Group
- Police Jury Association of Louisiana
- Polk County Medical Examiner
- Polk County Regional Facilities
- Polygon Group
- Pomona Valley Hospital Medical Center
- Pontificia Iniversidad Catolica De PR
- Population Council
- Port Huron Hospital
- Porter Adventist Hospital
- Porter County CRVC
- Porter Regional Hospital
- Portis United Methodist Church
- Portland Chinese Times
- Portland Oregon Visitors Association - VA
- Portola Plaza Hotel
- Portsmith, VA CVB
- Portsmouth Convention and Visitors Bureau
- Portsmouth Hospital
- Porzio, Broomberg and Newman
- Possis Medical, Inc.
- Post Acute Medical Tulsa
- Potomac Digiteck
- Pottstown Memorial Medical Center
- Powell Valley Healthcare
- Power Partners
- Powers and Sons Construction Company Inc.
- PPD
- PPD Medical Device
- PPG Industries Inc.
- PPL
- PRA International
- PRA International
- Prairie Ridge Hospital and Health Services