- Paul Young Chevrolet, Inc.
- Paul's Run
- Paulsen Printing, Co.
- Paxar Monarch
- Payless Car Rental System, Inc.
- PBD Worldwide Fulfillment Services
- PBSandJ
- PC Network Services
- PC Profiles
- PC-Nametag
- PCH Bluefield Emergency Department
- PCS Event Productions
- PD Distribution Inc.
- Peabody Hotel
- Peabody Hotel - Orlando
- Peace Village
- Peach County Health Department
- Peachtree Christian Church
- Peachtree Promotions
- Peapack-Gladstone Bank
- Pear Tree Inn Overland Park
- Pearl Harbor Naval Shipyard and Intermediate Maintenance Facility
- Pearl River County Hospital and Nursing Home
- Pearland Area Chamber of Commerce
- Peconic Bay Medical Center
- Pediatric Clinical Trials International, Inc.
- Pediatrico Universitario Centro Medico
- Pediatrics East, Inc.
- Pee Dee Healthy Start, Inc.
- Pegasus Communications Corp.
- Peggy Heller Elementary School
- Pelham Medical Center
- Pella Corp.
- Pella Regional Health Center
- Pembina County Memorial Hospital
- Pemco
- Pen Bay Medical Center
- Pender Memorial Hospital
- Peninsula Regional Medical Center
- Penn Engineering and Manufacturing Co.
- Penn Highlands Brookville
- Penn Highlands Clearfield
- Penn Highlands DuBois
- Penn Highlands Elk Regional
- Penn Independent, Corp.
- Penn Medicine Princeton Medical Center
- Penn Presbyterian Medical Center
- Penn State Behrend
- Penn State Behrend SNA
- Penn State Milton S. Hershey Medical Center