- PIERRE FABRE
- PNO Consultants
- PRES Université Nantes Angers Le Mans
- PSA Peugoet Citroen
- PWR Pack International BV
- Paracelsus Medizinische Privatuniversität = Paracelsus Medical University
- Penn State System
- Pennsylvania State University
- Peracton Ltd.
- Petals Link - EBM WebSourcing
- Pforzheim University
- Pforzheim University of Applied Sciences
- Plymouth University
- Politecnico di Milano [Milan]
- Politecnico di Torino = Polytechnic of Turin
- Polska Akademia Nauk = Polish Academy of Sciences = Académie polonaise des sciences
- Polytechnic Institute of Lisbon
- Polytechnic Institute of Porto
- Polytechnic University of Bari | Politecnico di Bari
- Polytechnic University of Marche | Università Politecnica delle Marche
- Pontifical Catholic University of Paraná
- Pontificia Universidad Javeriana
- Pontifícia Universidade Católica do Paraná [Curitiba, Brasil] = Pontifical Catholic University of Paraná [Curitiba, Brazil] = Université catholique pontificale du Paraná [Curitiba, Brésil]
- Poznan University of Economics
- Poznań University of Economics
- Poznań University of Economics and Business
- Pratt & Whitney [Rzeszow]
- PricewaterhouseCoopers Accountants N.V.