- A2 Dominion
- AIG
- Arcadia
- Ashford College
- Associated British Ports
- Basingstoke College of Technology
- British Airways
- British Museum
- Brunel University
- Devere Hotels
- Dimensions
- Greene King
- Guys Hospital
- Heathrow Airports Ltd
- Holiday Inn
- Housing 21
- Institution of Chartered Accountants Scotland
- The Jockey Club
- KACST
- Kent County Council
- Kings College London
- LadbrookeCoral
- London Underground
- London Borough of Croydon
- NHS Scotland
- Natural History Museum
- Oxley Healthcare Trust
- Primary Care Trusts
- Queen Mary Hospital
- Queen Mary's University
- Southend Hospital
- Somerville College - Oxford
- Sussex County Council
- Thetford Council
- University of Arts
- University College London
- University College London Hospital
- University of Essex