- Park City
- Park City Medical Center
- Park City Rotary
- Park Nicollet Methodist Hospital
- Park Ridge Health
- Park West Medical Center
- Parkeon
- Parker Adventist Hospital
- Parker Hannifin Corp.
- Parker Hannifin Corp.
- Parker Jewish Institute for Health Care and Rehabilitation
- Parker, McCray, and Criscuolo
- Parkland College
- Parkland Hospital
- Parkland Medical Center
- Parkridge East Hospital
- Parkridge Medical Center
- Parkside Homes, Inc.
- Parkside Meadows
- Parkside Senior Services, L.L.C.
- Parkston High School
- Parkview Community Hospital Medical Center
- Parkview Hospital Randallia
- Parkview Huntington Hospital
- Parkview LaGrange Hospital
- Parkview Medical Center
- Parkview Noble Hospital
- Parkview Regional Medical Center
- Parkview Wabash Hospital
- Parkview Whitley Hospital
- Parkwest Medical Center
- Parkwood Behavioral Health System
- Parkwood Health Center
- Parris Communications
- Parrish Medical Center
- Parsec Financial
- Partners Bank
- Partners in Health
- Partnership for Health Inc.
- Party Perfect
- Pasadena Convention and Visitors Bureau
- Pasadena Rotary
- Passavant Area Hospital
- Passavant Community
- Passkey
- Pastoral Institute
- Paterno Wines International, International Headquarters
- Patewood Medical Campus
- Pathmark
- Pathway Medical Technologies