- Altalink Management LLP
- Braskem
- Broward County Water & Wastewater
- Bundesamt für Sicherheit in der Informationstechnik (BSI)
- Byres Security
- Canadian Natural Resources
- Central Research Institute of Electric Power Industry (CRIEPI)
- CLP Power Hong Kong Ltd.
- ConAgra Foods
- Deakins University
- Dolphin Energy Limited
- DSO National Laboratories, Singapore
- EADS Defense & Communications Systems
- exida
- ExxonMobil
- FM Global
- Guidance Software
- Hazael Automation Limited
- Honeywell International
- Japan Computer Emergency Response Team (JPCERT)
- Lockheed Martin
- Lofty Perch
- QinetiQ
- Rio Tinto IS&T
- Sandia Labs
- Scada Perspective
- Shaw Environmental
- Siemens IA DT
- Software Sources Ltd.
- SRI International
- Swiss Federal Institute of Technology Zurich
- Syncrude
- Syncrude, Canada
- Teck
- Tennessee Valley Authority (TVA)
- The Center for Internet Security
- The Dow Chemical Company
- The Institute for Future Technology (IFTECH)
- Total Petrochemicals France
- Washington Air National Guard
- Yokogawa Electric Corporation
