- Altalink Management LLP
- Applied Control Solutions
- Braskem
- Broward County Water & Wastewater
- Byres Security
- Canadian Natural Resources
- Central Research Institute of Electric Power Industry (CRIEPI)
- Chemical Facility Security News
- ConAgra Foods
- Control Engineering
- Dolphin Energy Limited
- DSO National Laboratories, Singapore
- EADS Defense & Communications Systems
- exida
- Flint Hills Resources
- Guidance Software
- Haymarket Media
- Honeywell
- Japan Computer Emergency Response Team (JPCERT)
- Lockheed Martin
- Lofty Perch
- New Scientist Magazine
- North American Electric Reliability Corporation (NERC)
- Putman Media
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- Scada Perspective
- Shaw Environmental
- Siemens IA DT
- Software Sources Ltd.
- SRI International
- Swiss Federal Institute of Technology Zurich
- Syncrude, Canada
- Teck
- Tennessee Valley Authority (TVA)
- The Center for Internet Security
- The Dow Chemical Company
- Total Petrochemicals France
- Yokogawa Electric Corporation