Direct customers since 1990 include:

• Evandale Publishing, London, UK.
• GDRU (Quintiles), London, UK.
• GlaxoSmithKline (gsk).
• Guy's Hospital, London, UK.
• Institute of Neurology, London, UK.
• National Hospital, London, UK.
• NTNU, Trondheim, Norway.
• Primeline Consultants Limited, UK.
• Russell Hanslip Associates, London, UK.
• St.Mary's Hospital Medical School (Imperial College), London, UK.
• STAMI, Oslo, Norway.

Indirect customers include:

• BBC Television, UK.
• Digital Equipment Corporation, UK.
• London Underground Ltd., UK.