• Aedas
• AMEC
• BMW (UK) Ltd
• Channel 4
• Deutsche Telekom
• Henley Management College
• Interbrand
• Kier Group plc
• London Midland
• Mace Group
• Mformation
• Network Rail
• Rail Safety & Standards Board
• SouthEastern Trains
• Symbian
• Total
• Volker Wessels
• Argent
• GotToTri
• Oil Spill Response
• NHS
• Peabody