- "Simion Stoilow" Institute of Mathematics
- SAFRAN Identity and Security
- SAP
- SAP AG [Germany]
- SAP Labs France
- SAP Research
- SAP Research [Dresden]
- SAP Research [Karlsruhe]
- SBA Research
- SCALABLE Network Technologies [Culver City, CA, United States]
- SIGMA Clermont
- SINTEF Digital, Microsystems and Nanotechnology [Oslo]
- SRI International
- SRI International [Arlington]
- SSIR - Equipe Sécurité des Systèmes d'Information et Réseaux - EA 4039
- STMicroelectronics
- SUNY Polytechnic Institute
- SUPELEC-Campus Rennes
- SYSTÈMES LARGE ÉCHELLE
- Saarland University [Saarbrücken]
- Saigon Technology University [Ho Chi Minh City]
- Saitama University
- Sam Houston State University [Huntsville]
- Sandia National Laboratories - Corporation
- Sandia National Laboratories [Albuquerque]
- Sankalchand Patel College of Engineering,Visnagar, India
- Santa Clara University
- Sapir Academic College
- Sardar Vallabhbhai National Institute of Technology [Surat]
- Saudi Electronic University
- School of Business
- School of Business IT and Logistics [Melbourne]
- School of Computer Engineering
- School of Computer Science [Birmingham]
- School of Computer Science [Waterloo]
- School of Computer Science and Communication [Stockholm]
- School of Computer Science and Engineering
- School of Computer Science and Informatics [Dublin]
- School of Computer Science and Information Systems [Potchefstroom]
- School of Computer Science and Statistics [Dublin]
- School of Computer Science and Technology [Harbin]
- School of Computer [Chine]
- School of Computer and Communication Sciences
- School of Computer and Information Science [Edith Cowan University]
- School of Computer and Security Science
- School of Computing
- School of Computing [Kent]
- School of Computing [Portsmouth]
- School of Computing [South Africa]
- School of Computing, Informatics and Decision Systems Engineering
- School of Cyber Security
- School of ESPaCH
- School of El.Eng. & Comp.Sc, Faculty of Engineering & Built Environment
- School of Electrical Engineering [Shahid Rajaee Teacher Training]
- School of Electronics Engineering and Computer Science
- School of Electronics and Computer Science
- School of Engineering - Cranfield University
- School of Environment, Education and Development [Manchester]
- School of Informatics
- School of Information Management
- School of Information Systems
- School of Information Systems (Singapore Management University - SMU)
- School of Information Technology
- School of Information Technology [Kharagpur]
- School of Information and Communication Technology [Port Elizabeth]
- School of Journalism and Communication
- School of computing [Singapore]
- Scientific Computing Ltd
- Secure Business Austria
- Secure Diffuse Programming
- Secure Information Technology Center
- Secure Mobile Networking Lab [Darmstadt]
- Secure Systems and Smart Cards
- Secure and Safe Hardware
- Secure-IC S.A.S
- Security & Trust Research Unit [Trento]
- Security Labs
- Semantic Identity [Brisbane]
- Seoul Women's University
- Service IntEgration and netwoRk Administration
- Services répartis, Architectures, MOdélisation, Validation, Administration des Réseaux
- Shahid Rajaee Teacher Training University
- Shandong Agricultural University
- Shandong Computer Science Center
- Shanghai Fudan Microelectronics Co., Ltd
- Shanghai University
- Sharif University of Technology [Tehran]
- Sheffield Hallam University
- Siemens AG [Munich]
- Siemens [Atlanta]
- Siemens [New York]
- Singapore Institute of Technology [Singapore]
- Singapore Management University
- Singapore University of Technology and Design
- Singtel
- Singular Logic [Athens]
- Sirrix AG
- Smart Consulting
- Smart card Centre [Egham]
- Smigroup
- Softeam [Guyancourt]
- Software Technology Research Laboratory
- Software architectures and distributed systems
- Software certification with semantic analysis
- Sorbonne Université
- South African Research and Education Network
- South China Normal University [Guangdong, China] = Université normale de Chine du Sud [Canton, Chine] = 華南師范大學
- Southern Illinois University [Carbondale]
- Southern Illinois University [Edwardsville]
- Southern University of Science and Technology
- Ss. Cyril and Methodius University in Skopje
- St. Pölten University of Applied Sciences
- Stanford University
- State Key Laboratory of Information Security, Institute of Information Engineering
- State Key Laboratory of Novel Software Technology [Nanjing University]
- State Street Corporation
- State University of Londrina = Universidade Estadual de Londrina
- State University of New York
- State University of New York Korea
- Steelcyber Scientific [Oslo]
- Steinbeis Hochschule Berlin
- Steinbuch Centre for Computing [Karlsruhe]
- Stellenbosch University
- Stevens Institute of Technology [Hoboken]
- Stiftelsen for INdustriell og TEknisk Forskning Digital [Trondheim]
- Stockholm University
- Stony Brook University [SUNY]
- Storm Technology [Dublin]
- Stratiqo [Milano]
- Stuttgart Media University
- Sungkyunkwan University [Suwon]
- Swedish Defence Research Agency
- Swedish Defence Research Agency [Stockholm]
- Swedish Police Authority
- Swinburne University of Technology [Melbourne]
- Swiss Federal Laboratories for Materials Science and Technology [St Gallen]
- Swiss Graduate School of Public Administration (IDHEAP)
- Swiss Public Administration Network
- Syracuse University
- SysWisdom [Anchorage]
- System Security Group
- System Security Group [Klagenfurt]
- Systems and Technology Group
- Sécurité des Données et des Systèmes
- Sécurité et Confiance Numérique