Organisations that have sent delegates on previous Masterclasses include: ABTA Accenture Alliance Boots Amey Arup BAA plc BASF Balfour Beatty BG Group BP plc British Airways British Gas Cadbury Carillion Planned Maintenance Centrica The Co-operative Group Cushman and Wakefield Design Council Diageo EDF FagorBrandt GlaxoSmithKline Havas Media Intelligence HBOS ICI Interface Europe International Power Jaguar Cars Jones Lang LaSalle Johnson Matthey Laing O'Rourke New Zealand Trade and Enterprise Nationwide Building Society Novo Nordisk O2 Rail Safety & Standards Board Rio Tinto Royal Bank of Scotland Royal Mail RSA Insurance Group Shell Skanska South West Tourism Tetra Pak TUI Travel Thames Water Unilever Warburtons Wessex Water Whittington Hospital Willmott Dixon