- Pacific Northwest National Laboratory
- Participatory Information Technology Centre (PIT)
- Pearl Academy [New Delhi]
- Penn State System
- Pennsylvania Commonwealth System of Higher Education (PCSHE)
- Pennsylvania State University
- Perceptual Robotics Laboratory
- Perceptual User Interfaces Group [Saarbrücken]
- Philips Research
- Philips Research Europe [The Netherlands]
- Philips Research [Nederlands]
- Polish-Japanese Institute of Information Technology
- Politecnico di Milano [Milan]
- Politecnico di Torino = Polytechnic of Turin
- Politécnico Grancolombiano
- Politécnico de Leiria
- Polska Akademia Nauk = Polish Academy of Sciences = Académie polonaise des sciences
- Polytechnic Institute of Cávado and Ave
- Polytechnic Institute of Setúbal [Portugal]
- Polytechnic University of Bari | Politecnico di Bari
- Polytechnic University of Marche [Ancona, Italy] | Università Politecnica delle Marche [Ancona, Italia]
- Polytechnic of Namibia
- Polytechnic of Namibia [Windhoek]
- Pontificia Universidad Católica de Chile
- Pontificia Universidad Javeriana
- Pontifícia Universidade Católica do Rio Grande do Sul [Brasil] = Pontifical Catholic University of Rio Grande do Sul [Brazil] = Université catholique pontificale de Rio Grande do Sul [Brésil]
- Pontifícia Universidade Católica do Rio de Janeiro [Brasil] = Pontifical Catholic University of Rio de Janeiro [Brazil] = Université catholique pontificale de Rio de Janeiro [Brésil]
- Popular interaction with 3d content
- Preely [Copenhague]
- Princess Nourah Bint Abdulrahman University
- Products & Innovation SAP SE
- Professional Usability Services
- Programming Language Technology For Communication Services
- Purdue University [West Lafayette]