- "Simion Stoilow" Institute of Mathematics
- SAFRAN Identity and Security
- SAP Research
- SBA Research
- STMicroelectronics
- SYSTÈMES LARGE ÉCHELLE
- School of Computer [Chine]
- School of Computing [South Africa]
- School of El.Eng. & Comp.Sc, Faculty of Engineering & Built Environment
- School of Electrical Engineering [Shahid Rajaee Teacher Training]
- Secure Mobile Networking Lab [Darmstadt]
- Secure and Safe Hardware
- Secure-IC S.A.S
- Services répartis, Architectures, MOdélisation, Validation, Administration des Réseaux
- Shahid Rajaee Teacher Training University
- Sharif University of Technology [Tehran]
- Singapore University of Technology and Design
- Smart card Centre [Egham]
- Sorbonne Université
- South China Normal University [Guangdong, China] = Université normale de Chine du Sud [Canton, Chine] = 華南師范大學
- Southern University of Science and Technology
- State Key Laboratory of Information Security, Institute of Information Engineering
- State University of Londrina = Universidade Estadual de Londrina
- Stevens Institute of Technology [Hoboken]