| Accenture | Irwin Mitchell* |
| AIB* | Kainos* |
| AIG | Kent County Council* |
| Aviva* | Lucent Technologies |
| AXA* | MMT |
| Beachcroft LLP* | Ministry of Defence* |
| BP | National Policing Improvement Agency |
| British Airways* | NATO |
| British Library | Pension Protection Fund |
| British Medical Journal | Racal |
| British Red Cross | Reed Personnel |
| BT | Royal Liver |
| CACI* | Royal Mail |
| Coller Capital | RWE Supply & Trading GmbH |
| Department for Transport | Safeway |
| DHL | SEMA |
| Dyson | Sift |
| Eircom | Skandia |
| Fujitsu Services | Somerfield* |
| Gambling Commission | The Telegraph Group* |
| Getronics | UK National Grid |
| Greater Manchester Police | University of Westminster |
| HM Revenue and Customs | Virgin Mobile |
| IBM | Vodafone |
| ICL | VSO |
| Intellectual Property Office | |
| ING |
* denotes a reference site that is immediately available
