Corporate end-users around the world have included … 

ACCENTURE
ARGOS
ASDA
AT&T
AVIVA
BARCLAYCARD
BARCLAYS BANK
BRITISH AIRWAYS 
BBC
BP
BT
CITIBANK
COCA COLA
E.ON UK
ERNST & YOUNG
EXEL
GENERAL MOTORS
GLAXO SMITH KLINE

GOLDMAN SACHS
GILLETTE
GUINNESS UDV
HILTON
HOMEBASE
HITACHI
IBM
INNOVEX
J P MORGAN
LAMANNA GROUP
LEVER BROS
LEVI STRAUSS
LLOYDS REGISTER OF SHIPPING
MEDIBANK PRIVATE
NATIONAL AUSTRALIA BANK
NATIONWIDE BUILDING SOCIETY
NOKIA
NOVARTIS

NOVO NORDISK
PEPSICO
PRICEWATERHOUSECOOPERS
PROFIAD
RECKITT BENCKISER
ROYAL BANK OF SCOTLAND
ROYAL MAIL
QUINTILES
SHELL
SKANDIA
STARWOOD
SWISS RE
TNS GLOBAL
T&S STORES
TELSTRA
TNT
UNILEVER
WALKERS

... and non-corporate end-users include ...

AUSTRALIAN GOVERNMENT
B4MD
CARE INTERNATIONAL
EU

IRC
MISSION AUSTRALIA
ODI
SAVE THE CHILDREN

SALVATION ARMY
UK GOVERNMENT
WILTON PARK
WORLD VISION