International Certification Register

Key sectors	Organisation
Public	Barnsley Metropolitan Borough Council BBC Bedfordshire County Council Defence Logistics Organisation (MOD) Department of Infrastructure, State Government of Victoria (Australia) East Riding of Yorkshire Essex County Council GCHQ Hertfordshire County Council Highways Agency HM Prison Service Luton Borough Council Metropolitan Police Surrey County Council Scotland Excel North Wales Police Audit Commission The Home Office Crown Prosecution Services Olympic Delivery Authority University of Reading Transport for London OGC Buying Solutions
Financial Services	American Express Services Europe Ltd AXA UK Bank of England Barclays Bank plc BNP Paribas Norwich Union Deutsche Bank HSBC Bank plc Nationwide Building Society Nomura International Prudential Plc Zurich Financial Services (UK)
Telecoms	BT Cable & Wireless Virgin Media Vodafone COLT Telecoms
IT/Technology	Atos Origin Computacenter CSC CentralRegion CSC Northern Region Hewlett Packard Microsoft QinetiQ Reuters Fujitsu Services
Manufacturing	communisis Honeywell (Novar Group)
Advertising	Yell Ltd
Retail	ASDA (Wal*Mart) Coles (Australia)
Food & Drink	Mitchells & Butler Rank Hovis McDougall Tetley Group
Construction	Marley Building Materials (Marley Eternit) Metronet Rail
Transport	British Airways DHL National Air Traffic Services (NATS) Network Rail
Consultancy	buyingTeam PricewaterhouseCoopers LLP
Utilities	Dalkia Scottish Power Generation
Oil & Gas	BG Group Centrica Zadco Aker Kvaerner Subsea 7 Ltd
Facilities	Carillion Services Atkins Asset Management Sodexo Remotes Sites Scotland Ltd Johnson Controls Ltd Balfour Beatty Utilities Ltd
Media	mbc Group (Dubai)
Nuclear	Nirex Sellafield Ltd
Leisure	Camelot Group
Other	United Nations (UNWRA)